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Code d'Examen: 4A0-103
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Multiprotocol Label Switching)
Questions et réponses: 98 Q&As

Code d'Examen: 4A0-105
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Virtual Private LAN Services)
Questions et réponses: 59 Q&As

Code d'Examen: 4A0-101
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Interior Routing Protocols and High Availability)
Questions et réponses: 177 Q&As

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NO.1 Which of the following statements relating to VPLS are false?
A.A VPLS is a multipoint Layer 2 service
B.A VPLS allows multiple customer sites to be connected in a single bridged domain
C.A VPLS on a single node requires a Service Distribution Path
D.With VPLS Service provider can reuse their IP/MPLS infrastructure to offer multiple services
E.The VPLS switches traffic based on MAC address associated to the appropriate SAP
Answer: C

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NO.2 Which of the following contributes to VPLS implementation over MPLS?
A.Connecting bridging-capable provider edge routers with a full mesh of MPLS LSP (label switched path)
tunnels
B.Negotiating per-service VC labels using draft-Martini encapsulation
C.Replicating unknown and broadcast traffic in a service domain
D.Enabling MAC learning over tunnel and access ports
E.Using a separate forwarding information base (FIB) per VPLS service
F.All of the above
Answer: F

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NO.3 The behavior of VPLS can be best described by which of the following statements?
A.A frame should be sent only to the PE that connects to the target site of the frame whenever possible
B.A frame should be flooded as little as possible
C.Customer frames should be switched based on the destination MAC address
D.Only (a) and (b) are true
E.All of the above
Answer: E

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NO.4 Which of the following functions must a PE router support when participating in a VPLS network?
Choose all that apply.
A.MAC learning
B.Packet replication
C.Proxy ARP
D.Packet forwarding
E.Flood all frames with an unknown destination MAC address to all PE routers associated with that VPLS
Answer: A B D E

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NO.5 Based on the following output what will the vc-id be of any mesh-sdp bound to this service?
A.9000
B.1514
C.1000
D.0
Answer: C

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NO.6 Which SDP on R3 will MAC addresses be associated with for devices behind R2?
A.It depends if traffic is received via R4 or R1 from devices behind R2
B.The devices cannot communicate based on the configuration in the diagram so there will be no mac
address association
C.Devices behind R2 will be associated with the sdp between R3 and R1
D.Devices behind R2 will be associated with the sdp between R3 and R4
Answer: C

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NO.7 Select the command from the list below that produced the following output.
A.oam svc-ping 20.20.20.20 service 10 local-sdp remote-sdp
B.oam sdp-ping 10 resp-sdp 10
C.oam svc-ping 20.20.20.20 service 10 local-sdp
D.oam svc-ping 10.10.10.10 service 10 local-sdp remote-sdp
E.oam svc-ping 10.10.10.10 service 10 local-sdp
Answer: A

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NO.8 Which of the following best describes the difference between VPWS and VPLS?
A.VPWS is a point-to-point service where CEs are presented with point- to-point virtual circuits whereas
VPLS is a bridged LAN service provided to a set of CEs that are members of a L2 VPN
B.Unlike VPLS, VPWS allows CEs that are member of the same service instance to communicate with
each other as if they are connected via a bridged LAN
C.Unlike VPWS, VPLS provides customers to view the network as an unshared overlay link or circuit
Answer: A

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Code d'Examen: 4A0-101
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Interior Routing Protocols and High Availability)
Questions et réponses: 177 Q&As

Code d'Examen: 4A0-110
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Advanced Troubleshooting)
Questions et réponses: 40 Q&As

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NO.1 When a router receives an IP packet, but does not find a match in the routing table for the
destination IP address, what actions are performed by the router?
A. The packet is flooded out all router interfaces.
B. The packet is dropped and an ICMP unreachable message is sent back to the source.
C. The packet is silently discarded.
D. The packet is flooded out all interfaces and an ICMP unreachable message is sent.
Answer: B

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NO.2 Click the exhibit button.
What is the command to configure a static route on the Alcatel-Lucent 7750 SR router R1 to reach
the network behind router R2?
A. configure router static-route 139.120.121.0/ 24 next-hop 138.120.199.2
B. configure router static-route 139.120.121.0/ 24 next-hop 138.120.199.1
C. configure router static-route 138.120.199.2 / 24 next-hop 138.120.199.1
D. configure router static-route 139.120.121.0/ 24 next-hop 139.120.121.2
Answer: A

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NO.3 Which of the following statements describe the major features of OSPF? Choose two answers.
A. Fast reroute capability
B. Control traffic prioritization
C. Route redistribution
D. Traffic engineering extensions
E. Cut through forwarding
Answer: C,D

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NO.4 What causes an adjacency to change from down to two ways?
A. When a link state update is received in response to a link state request.
B. When a router receives a Hello packet that contains its own router ID in the neighbor list from a
neighbor.
C. When a router receives a database description packet from a neighbor.
D. When a link state acknowledgement is received in response to a link state update.
Answer: B

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NO.5 Click the exhibit button.
Routers R1, R2, and R3 are running a classful routing protocol between them. Assuming that router
R1 advertises all directly connected networks, how will these networks be represented in router
R3's routing table?
A. Router R3's routing table can only contain one of the routes, which will result in route flapping.
B. Router R3's routing table will have one entry for 10.1.1.0/ 24 and one entry for 10.1.2.0/ 24.
C. The networks will be represented with one entry of 10.0.0.0/ 8 in router R3's routing table.
D. The networks will be represented with one entry of 10.0.0.0/ 24 in router R3's route table.
Answer: C

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NO.6 Which of the following commands can be used to display the number of SPF computations
that have been performed on a router?
A. show router ospf area <area-id>
B. show router ospf neighbor
C. show router ospf interface
D. show router ospf status
Answer: A

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NO.7 Click the exhibit button.
A static route is created on router R1, using the "static-route 0.0.0.0/ 0 next-hop 10.3.3.2"
command. What command can be used to test the static route on an Alcatel-Lucent 7750 SR?
A. ping static 10.5.5.5
B. ping static 0.0.0.0/ 0
C. ping 10.5.5.5
D. ping 0.0.0.0
Answer: C

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NO.8 Which of the following statements apply to link state protocol behavior? Choose three
answers.
A. Routers broadcast the entire route table to all neighbors.
B. Information about directly connected links is sent to all neighbors.
C. An adjacency database is maintained by each router.
D. The sequence number for an update is incremented as it is flooded from router to router.
E. The topological database is the same for all routers in a single area.
Answer: B,C,E

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Code d'Examen: 4A0-101
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Interior Routing Protocols and High Availability)
Questions et réponses: 177 Q&As

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NO.1 Which of the following commands can be used to display the number of SPF computations
that have been performed on a router?
A. show router ospf area <area-id>
B. show router ospf neighbor
C. show router ospf interface
D. show router ospf status
Answer: A

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NO.2 Click the exhibit button.
What triggers convergence of the routing protocol when the link between switch 1 and switch 2
goes down?
A. Convergence is triggered when the adjacency between routers R1 and R2 drops as a result of
Hello timeouts. At this point, both routers R1 and R2 re-compute their link state database and send
updates to their adjacent routers. Once the process is complete for all routers, the networks have
converged.
B. Convergence is triggered when the physical interfaces between routers R1 and R2 go down. At
this point, both routers R1 and R2 re-compute their link state database and send updates to their
adjacent routers. Once the process is complete for all routers, the networks have converged.
C. Convergence will not be triggered because switches cannot run routing protocols between them.
D. Convergence is triggered when the switches notify the routers about the link state information.
At this point, both routers R1 and R2 re-compute their link state database and send updates to their
adjacent routers. Once the process is complete for all routers, the networks have converged
E. Convergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link
is down. At this point, both routers R1 and R2 re-compute their link state database and sendupdates
to their adjacent routers. Once the process is complete for all routers, the networks have converged.
Answer: A

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NO.3 Which of the following statements describe the major features of OSPF? Choose two answers.
A. Fast reroute capability
B. Control traffic prioritization
C. Route redistribution
D. Traffic engineering extensions
E. Cut through forwarding
Answer: C,D

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NO.4 What are the default Hello and Dead timer intervals for OSPF on the Alcatel-Lucent 7750 SR?
A. 5 and 15 seconds
B. 10 and 30 seconds
C. 5 and 20 seconds
D. 10 and 40 seconds
Answer: D

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NO.5 Static routing will be used in a network between a corporate head office, with many
connected networks, and a branch office, with one connection to the head office. Which of the
following best describes the likely configuration?
A. The corporate head office router will have a default route and the branch site will have a more
specific static route.
B. The corporate head office router and the branch office router will both have specific static routes.
C. The corporate head office router and the branch router will both have default routes.
D. The corporate head office router will have a more specific static route and the branch office
router will have a default route.
Answer: D

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NO.6 Click the exhibit button.
In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming
that there are no stub networks, which of the following statements regarding type 4 LSA generation
is true?
A. Router R1 generates a type 4 LSA that is flooded to areas 0, 1, and 2.
B. Router R3 generates a type 4 LSA that is flooded to areas 0, 1, and 2.
C. Router R3 generates a type 4 LSA that is flooded to areas 0 and 2.
D. Router R3 generates a type 4 LSA that is flooded to area 0, and router R6 generates a type 4 LSA
that is flooded to area 2.
Answer: D

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NO.7 Click the exhibit button.
A static route is created on router R1, using the "static-route 0.0.0.0/ 0 next-hop 10.3.3.2"
command. What command can be used to test the static route on an Alcatel-Lucent 7750 SR?
A. ping static 10.5.5.5
B. ping static 0.0.0.0/ 0
C. ping 10.5.5.5
D. ping 0.0.0.0
Answer: C

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NO.8 What causes an adjacency to change from down to two ways?
A. When a link state update is received in response to a link state request.
B. When a router receives a Hello packet that contains its own router ID in the neighbor list from a
neighbor.
C. When a router receives a database description packet from a neighbor.
D. When a link state acknowledgement is received in response to a link state update.
Answer: B

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NO.9 Click the exhibit button.
Routers R1, R2, and R3 are running a classful routing protocol between them. Assuming that router
R1 advertises all directly connected networks, how will these networks be represented in router
R3's routing table?
A. Router R3's routing table can only contain one of the routes, which will result in route flapping.
B. Router R3's routing table will have one entry for 10.1.1.0/ 24 and one entry for 10.1.2.0/ 24.
C. The networks will be represented with one entry of 10.0.0.0/ 8 in router R3's routing table.
D. The networks will be represented with one entry of 10.0.0.0/ 24 in router R3's route table.
Answer: C

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NO.10 Click the exhibit button.
What is the command to configure a static route on the Alcatel-Lucent 7750 SR router R1 to reach
the network behind router R2?
A. configure router static-route 139.120.121.0/ 24 next-hop 138.120.199.2
B. configure router static-route 139.120.121.0/ 24 next-hop 138.120.199.1
C. configure router static-route 138.120.199.2 / 24 next-hop 138.120.199.1
D. configure router static-route 139.120.121.0/ 24 next-hop 139.120.121.2
Answer: A

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NO.11 Which of the following statements apply to link state protocol behavior? Choose three
answers.
A. Routers broadcast the entire route table to all neighbors.
B. Information about directly connected links is sent to all neighbors.
C. An adjacency database is maintained by each router.
D. The sequence number for an update is incremented as it is flooded from router to router.
E. The topological database is the same for all routers in a single area.
Answer: B,C,E

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NO.12 When a router receives an IP packet, but does not find a match in the routing table for the
destination IP address, what actions are performed by the router?
A. The packet is flooded out all router interfaces.
B. The packet is dropped and an ICMP unreachable message is sent back to the source.
C. The packet is silently discarded.
D. The packet is flooded out all interfaces and an ICMP unreachable message is sent.
Answer: B

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NO.13 In an IP datagram, which of the following fields identifies the receiving application?
A. The protocol field of the transport layer header.
B. The port field of the transport layer header.
C. The protocol field of the network layer header.
D. The port field of the network layer address.
Answer: B

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NO.14 There is an IP host with IP address 10.2.3.1. A static route is created, using the "configure
router static-route 10.2.3.0/ 24 next-hop 10.1.2.1" command. What is the correct traceroute
command to test this static route on an Alcatel-Lucent 7750 SR?
A. traceroute 10.2.3.1
B. traceroute 10.2.3.1 next-hop 10.1.2.1
C. traceroute next-hop 10.1.2.1
D. traceroute does not work on the Alcatel-Lucent 7750 SR.
E. traceroute 10.1.2.1
Answer: A

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15. What is the default preference value for a static route in the Alcatel-Lucent 7750 SR?
A. 0
B. 5
C. 10
D. 15
Answer: B

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16. Which of the following statements regarding distance vectors protocols are true? (Choose
two answers).
A. RIPvl, RIPv2, and BGP are distance vector protocols.
B. OSPF and IS-IS are distance vector protocols.
C. Routing tables are exchanged between neighbors; however, no routing table is transmitted
beyond the immediate neighbor.
D. Distance vector protocols use the Dijkstra SPF algorithm.
E. Routers that participate in distance vector routing protocols maintain full knowledge of distant
routers and how they interconnect
Answer: A,C

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Code d'Examen: 4A0-M02
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Mobile Gateways for the LTE Evolved Packet Core )
Questions et réponses: 140 Q&As

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NO.1 Which of the following statements is FALSE regarding the UE paging process?
A. The SGW performs downlink data buffering while the S1 bearer is being established.
B. The SGW initiates the paging messages towards the UE.
C. The PGW is not aware of the paging process.
D. The UE initiates the service request procedure once it receives the paging message.
E. The paging procedure is controlled by the MME.
Answer: B

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NO.2 There is an active GTP path between an Alcatel-Lucent SGW and an Alcatel-Lucent PGW, On the
SGW. Which of the following CLI commands is used to check the "Restart Count" value of the PGW?
A. show mobile-gateway serving ref-point-peers s5
B. show mobile-gateway serving ref-point-stats s5
C. show mobile-gateway serving bearer-stats s5
D. show mobile-gateway serving path-mgmt-stats s5
E. None of the above answers are correct.
Answer: D

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NO.3 Which of the following statements is FALSE regarding the eNodeB?
A. The eNodeBs maybeinterconnectTEIDwith each other via anX2 interface.
B. The eNodeB is an element of the EPC core.
C. The eNodeBs areconnectedto the EPC core via the S1 interface.
D. During an IMSI attach, the eNodeB selects an MME to service the UE.
E. The eNodeB performs the compression and encryption of the user data stream.
Answer: B

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NO.4 In a 3G network, which of the following is used to build a PDP context between a UE and the GGSN
when a direct tunnel is not used?
A. An end-to-end GTP tunnel between the UE and the GGSN.
B. A Radio Access Bearer between the UE and the NodeB and a GTP tunnel between the NodeB and the
GGSN.
C. A Radio Access Bearer between the UE and the SGSN and a GTP tunnel between the SGSN and the
GGSN.
D. A Radio Access Bearer between the UE and the SGSN.
E. None of the above answers are correct.
Answer: C

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NO.5 Which of the following statements is FALSE regarding the UE network attachment procedure?
A. The UE is served by an eNodeB.
B. The eNodeB selects one MME to serve the UE.
C. The MME selects one SGW to serve the UE.
D. The SGW selects one PGW to serve the UE
E. The PGW selects one PCRF server if required.
Answer: D

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NO.6 Which of the following most accurately describes the messages used to manage a Diameter
connection path?
A. The Capabilities-Exchange message
B. The Device-Watchdog message
C. The Credit-Control message
D. The Disconnect-Peer message
E. All of the above answers are correct
F. Only answers A, B and D are correct
Answer: F

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NO.7 Which of the following LTE interfaces are used for the communication of user data? (Choose one best
answer)
A. The S1-MME interface and the S11 interface.
B. The S1-U interface.
C. The S5 interface.
D. The S1-U interface, the S5 interface and the LTE-Uu interface.
E. Only answers A, B and C are correct.
F. Only answers B and C are correct.
Answer: D

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NO.8 Which of the following interfaces is not using the GTP-C protocol?
A. The X2 interface.
B. The S1-U interface.
C. The S4 interface.
D. The S5 interface.
E. The SGi interface.
Answer: E

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NO.9 Which of the following statements is FALSE regarding the EPS bearers?
A. The default bearer isinitiatedby either the UE or the PCRF.
B. The default bearer is always the first bearer established to an APN.
C. An AF server may initiate adedicatedbearer to a UE.
D. EPS bearers that connect a given UE to a single PGW may use different IP subnets.
E. The default bearer remains active throughout the lifetime of the APN connection.
Answer: A

Alcatel-Lucent   4A0-M02   4A0-M02   4A0-M02   4A0-M02

NO.10 Which of the following statements is FALSE regarding the S1-MME interface?
A. It is the control plane interface between the E-UTRAN and the MME.
B. It is used to signal the TEIDs for the S1 bearers between the eNodeB and the SGW.
C. The eNodeB receives the Paging messages over the S1-MME interface.
D. It is used for the management of the Radio Access Bearers.
E. It is based on the IP/UDP protocols.
Answer: E

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NO.11 An Alcatel-Lucent SGW is only connected to an Alcatel-Lucent PGW. Based on the information shown
in the exhibit, how many GTP-C tunnels are established between the SGW and the PGW?
A. 1
B. 2
C. 3
D. 4
E. 6
Answer: E

Alcatel-Lucent   4A0-M02   4A0-M02   4A0-M02 examen

NO.12 Which of the following statements most accurately describes the Diameter protocol?
A. The Diameter is a peer-to-peer protocol that uses the TCP or SCTP as the transport protocol.
B. A Diameter peer could act as a Diameter client or a Diameter server to its remote peer.
C. The Alcatel-Lucent 7750 PGW acts as a Diameter client to the PCRF server via the Gx interface.
D. The Diameter protocol uses TCP and SCTP port number 3868.
E. All of the above answers are correct.
F. Only answers A and B are correct.
Answer: E

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NO.13 A UE needs to get an IP address before it can communicate to any PDN over the LTE network. Which of
the following statements are FALSE regarding the process of the IP address allocation? (Choose two)
A. A PGW may obtain an IP address from a RADIUS server and assign it to the UE.
B. A PGW may assign the IP address from its local address pools.
C. An SGW may obtain a static IP address from the HSS server and assign it to the UE.
D. An SGW may obtain an IP address from a RADIUS server and assign it to the UE.
E. A PGW may obtain an IP address from a DHCP server and assign it to the UE.
Answer: C,D

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NO.14 Which of the following statements is FALSE regarding the Tracking Area (TA)?
A. A TA is a set of eNodeBs that are defined by a UE itself.
B. A TA is the smallest geographical area in which a UE can roam without performing a Tracking Area
Update (TAU) other than periodic TAU as required.
C. A Tracking Area Identity (TAI) is used to identify each tracking area.
D. The Tracking Area Identity (TAI) is assigned by the service provider.
E. One TA may be served by one or more than one MME.
Answer: A

Alcatel-Lucent   4A0-M02   4A0-M02   4A0-M02   4A0-M02 examen

NO.15 Which of the following statements most accurately describes the MME?
A. The MME selects the SGW and the PGW for a given UE.
B. The MME is responsible for the bearer management.
C. The MME communicates with both the E-UTRAN and the EPC via GTP-C tunnels.
D. The MME performs the user authentication and authorization using the information provided by the
HSS
E. All of the above answers are correct.
F. Only answers A, B and D are correct.
Answer: F

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NO.16 The S5 is the interface used for the communication between the SGW and the PGW. Which of the
following transport protocols is used by this interface?
A. GTP/TCP
B. GTP/UDP
C. GTP/IP
D. GTP/SCTP
E. None of the above answers are correct
Answer: B

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NO.17 Which of the following statements is TRUE regarding the IP connectivity between a UE and a PDN?
A. A UE gets an IPv4 address and/or an IPv6 prefix per APN.
B. A PGW forwards the UE's IP packets to the PDN based on the address of the PDN server.
C. When a UE sends an IP packet to a PDN over the EPC core, the eNodeB forwards
theencapsulatedpacket to the SGW by looking into its IP routing table to determine how to reach the PDN
server.
D. The SGW forwards the UE's IP packets to the PGW based on the address of the PDN server.
E. Only answers C and D are correct.
F. Only answers A and B are correct.
Answer: F

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NO.18 Which of the following most accurately identifies a GTP tunnel on the Alcatel-Lucent 7750 MG by
default?
A. ATEID
B. The System IP address
C. A UDP port number
D. ATEIDand the System IP address
E. ATEID, the System IP address and a UDP port number
Answer: E

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NO.19 Based on the information shown in the exhibit, when the SGW receives an IP packet from the UE,
which of the following is the GTP TEID value expected to be received in the GTP packet header?
A. 0xd05025
B. 0x4b00805
C. 0x21
D. 0x4b00825
E. None of the above answers are correct.
Answer: D

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NO.20 Based on the information shown in the exhibit, which of the following is the PLMN ID?
A. 302
B. 720
C. 123456789
D. 9876543
E. 30201613
F. 302720
Answer: F

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Code d'Examen: 4A0-101
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Interior Routing Protocols and High Availability)
Questions et réponses: 177 Q&As

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NO.1 Click the exhibit button.
Routers R1, R2, and R3 are running a classful routing protocol between them. Assuming that router
R1 advertises all directly connected networks, how will these networks be represented in router
R3's routing table?
A. Router R3's routing table can only contain one of the routes, which will result in route flapping.
B. Router R3's routing table will have one entry for 10.1.1.0/ 24 and one entry for 10.1.2.0/ 24.
C. The networks will be represented with one entry of 10.0.0.0/ 8 in router R3's routing table.
D. The networks will be represented with one entry of 10.0.0.0/ 24 in router R3's route table.
Answer: C

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NO.2 When a router receives an IP packet, but does not find a match in the routing table for the
destination IP address, what actions are performed by the router?
A. The packet is flooded out all router interfaces.
B. The packet is dropped and an ICMP unreachable message is sent back to the source.
C. The packet is silently discarded.
D. The packet is flooded out all interfaces and an ICMP unreachable message is sent.
Answer: B

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NO.3 What are the default Hello and Dead timer intervals for OSPF on the Alcatel-Lucent 7750 SR?
A. 5 and 15 seconds
B. 10 and 30 seconds
C. 5 and 20 seconds
D. 10 and 40 seconds
Answer: D

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NO.4 Which of the following statements describe the major features of OSPF? Choose two answers.
A. Fast reroute capability
B. Control traffic prioritization
C. Route redistribution
D. Traffic engineering extensions
E. Cut through forwarding
Answer: C,D

certification Alcatel-Lucent   4A0-101   4A0-101

NO.5 Click the exhibit button.
In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming
that there are no stub networks, which of the following statements regarding type 4 LSA generation
is true?
A. Router R1 generates a type 4 LSA that is flooded to areas 0, 1, and 2.
B. Router R3 generates a type 4 LSA that is flooded to areas 0, 1, and 2.
C. Router R3 generates a type 4 LSA that is flooded to areas 0 and 2.
D. Router R3 generates a type 4 LSA that is flooded to area 0, and router R6 generates a type 4 LSA
that is flooded to area 2.
Answer: D

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NO.6 There is an IP host with IP address 10.2.3.1. A static route is created, using the "configure
router static-route 10.2.3.0/ 24 next-hop 10.1.2.1" command. What is the correct traceroute
command to test this static route on an Alcatel-Lucent 7750 SR?
A. traceroute 10.2.3.1
B. traceroute 10.2.3.1 next-hop 10.1.2.1
C. traceroute next-hop 10.1.2.1
D. traceroute does not work on the Alcatel-Lucent 7750 SR.
E. traceroute 10.1.2.1
Answer: A

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15. What is the default preference value for a static route in the Alcatel-Lucent 7750 SR?
A. 0
B. 5
C. 10
D. 15
Answer: B

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16. Which of the following statements regarding distance vectors protocols are true? (Choose
two answers).
A. RIPvl, RIPv2, and BGP are distance vector protocols.
B. OSPF and IS-IS are distance vector protocols.
C. Routing tables are exchanged between neighbors; however, no routing table is transmitted
beyond the immediate neighbor.
D. Distance vector protocols use the Dijkstra SPF algorithm.
E. Routers that participate in distance vector routing protocols maintain full knowledge of distant
routers and how they interconnect
Answer: A,C

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NO.7 Click the exhibit button.
A static route is created on router R1, using the "static-route 0.0.0.0/ 0 next-hop 10.3.3.2"
command. What command can be used to test the static route on an Alcatel-Lucent 7750 SR?
A. ping static 10.5.5.5
B. ping static 0.0.0.0/ 0
C. ping 10.5.5.5
D. ping 0.0.0.0
Answer: C

Alcatel-Lucent   4A0-101   4A0-101

NO.8 Which of the following statements apply to link state protocol behavior? Choose three
answers.
A. Routers broadcast the entire route table to all neighbors.
B. Information about directly connected links is sent to all neighbors.
C. An adjacency database is maintained by each router.
D. The sequence number for an update is incremented as it is flooded from router to router.
E. The topological database is the same for all routers in a single area.
Answer: B,C,E

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NO.9 In an IP datagram, which of the following fields identifies the receiving application?
A. The protocol field of the transport layer header.
B. The port field of the transport layer header.
C. The protocol field of the network layer header.
D. The port field of the network layer address.
Answer: B

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NO.10 Click the exhibit button.
What is the command to configure a static route on the Alcatel-Lucent 7750 SR router R1 to reach
the network behind router R2?
A. configure router static-route 139.120.121.0/ 24 next-hop 138.120.199.2
B. configure router static-route 139.120.121.0/ 24 next-hop 138.120.199.1
C. configure router static-route 138.120.199.2 / 24 next-hop 138.120.199.1
D. configure router static-route 139.120.121.0/ 24 next-hop 139.120.121.2
Answer: A

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NO.11 Which of the following commands can be used to display the number of SPF computations
that have been performed on a router?
A. show router ospf area <area-id>
B. show router ospf neighbor
C. show router ospf interface
D. show router ospf status
Answer: A

Alcatel-Lucent examen   4A0-101   4A0-101

NO.12 What causes an adjacency to change from down to two ways?
A. When a link state update is received in response to a link state request.
B. When a router receives a Hello packet that contains its own router ID in the neighbor list from a
neighbor.
C. When a router receives a database description packet from a neighbor.
D. When a link state acknowledgement is received in response to a link state update.
Answer: B

Alcatel-Lucent   4A0-101   4A0-101   4A0-101

NO.13 Click the exhibit button.
What triggers convergence of the routing protocol when the link between switch 1 and switch 2
goes down?
A. Convergence is triggered when the adjacency between routers R1 and R2 drops as a result of
Hello timeouts. At this point, both routers R1 and R2 re-compute their link state database and send
updates to their adjacent routers. Once the process is complete for all routers, the networks have
converged.
B. Convergence is triggered when the physical interfaces between routers R1 and R2 go down. At
this point, both routers R1 and R2 re-compute their link state database and send updates to their
adjacent routers. Once the process is complete for all routers, the networks have converged.
C. Convergence will not be triggered because switches cannot run routing protocols between them.
D. Convergence is triggered when the switches notify the routers about the link state information.
At this point, both routers R1 and R2 re-compute their link state database and send updates to their
adjacent routers. Once the process is complete for all routers, the networks have converged
E. Convergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link
is down. At this point, both routers R1 and R2 re-compute their link state database and sendupdates
to their adjacent routers. Once the process is complete for all routers, the networks have converged.
Answer: A

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NO.14 Static routing will be used in a network between a corporate head office, with many
connected networks, and a branch office, with one connection to the head office. Which of the
following best describes the likely configuration?
A. The corporate head office router will have a default route and the branch site will have a more
specific static route.
B. The corporate head office router and the branch office router will both have specific static routes.
C. The corporate head office router and the branch router will both have default routes.
D. The corporate head office router will have a more specific static route and the branch office
router will have a default route.
Answer: D

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Code d'Examen: 4A0-105
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Virtual Private LAN Services)
Questions et réponses: 59 Q&As

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NO.1 Which of the following functions must a PE router support when participating in a VPLS network?
Choose all that apply.
A.MAC learning
B.Packet replication
C.Proxy ARP
D.Packet forwarding
E.Flood all frames with an unknown destination MAC address to all PE routers associated with that VPLS
Answer: A B D E

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NO.2 Which of the following statements is false?
A.VPLS is a bridged LAN service
B.VPLS provides L2 VPN services to CEs
C.VPLS is a point-to-point service where CEs are presented with point- to-point virtual circuits
D.CEs that are members of the same VPLS service instance communicate with each other as if they are
connected
via a bridged LAN
Answer: C

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NO.3 Which SDP on R3 will MAC addresses be associated with for devices behind R2?
A.It depends if traffic is received via R4 or R1 from devices behind R2
B.The devices cannot communicate based on the configuration in the diagram so there will be no mac
address association
C.Devices behind R2 will be associated with the sdp between R3 and R1
D.Devices behind R2 will be associated with the sdp between R3 and R4
Answer: C

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NO.4 Which of the following best describes the difference between VPWS and VPLS?
A.VPWS is a point-to-point service where CEs are presented with point- to-point virtual circuits whereas
VPLS is a bridged LAN service provided to a set of CEs that are members of a L2 VPN
B.Unlike VPLS, VPWS allows CEs that are member of the same service instance to communicate with
each other as if they are connected via a bridged LAN
C.Unlike VPWS, VPLS provides customers to view the network as an unshared overlay link or circuit
Answer: A

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NO.5 Which of the following statements relating to VPLS are false?
A.A VPLS is a multipoint Layer 2 service
B.A VPLS allows multiple customer sites to be connected in a single bridged domain
C.A VPLS on a single node requires a Service Distribution Path
D.With VPLS Service provider can reuse their IP/MPLS infrastructure to offer multiple services
E.The VPLS switches traffic based on MAC address associated to the appropriate SAP
Answer: C

Alcatel-Lucent   4A0-105 examen   4A0-105   4A0-105

NO.6 Select the command from the list below that produced the following output.
A.oam svc-ping 20.20.20.20 service 10 local-sdp remote-sdp
B.oam sdp-ping 10 resp-sdp 10
C.oam svc-ping 20.20.20.20 service 10 local-sdp
D.oam svc-ping 10.10.10.10 service 10 local-sdp remote-sdp
E.oam svc-ping 10.10.10.10 service 10 local-sdp
Answer: A

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NO.7 Which of the following contributes to VPLS implementation over MPLS?
A.Connecting bridging-capable provider edge routers with a full mesh of MPLS LSP (label switched path)
tunnels
B.Negotiating per-service VC labels using draft-Martini encapsulation
C.Replicating unknown and broadcast traffic in a service domain
D.Enabling MAC learning over tunnel and access ports
E.Using a separate forwarding information base (FIB) per VPLS service
F.All of the above
Answer: F

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NO.8 The behavior of VPLS can be best described by which of the following statements?
A.A frame should be sent only to the PE that connects to the target site of the frame whenever possible
B.A frame should be flooded as little as possible
C.Customer frames should be switched based on the destination MAC address
D.Only (a) and (b) are true
E.All of the above
Answer: E

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NO.9 True or False? Multiple VPLS services can be offered over the same set of LSP tunnels?
A.True
B.False
Answer: A

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NO.10 Based on the following output what will the vc-id be of any mesh-sdp bound to this service?
A.9000
B.1514
C.1000
D.0
Answer: C

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Code d'Examen: 4A0-103
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Multiprotocol Label Switching)
Questions et réponses: 98 Q&As

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NO.1 Click on the exhibit button below.
With fast reroute enabled, and given the following:
-The protected LSP path is R1-R2-R3.
-All links are of equal cost.
Which of the following statements is true? (Choose two)
A. Router R1 is the LSP originator and is also a PLR.
B. With one-to-one link or node protection, the detour LSP path is R1-R4-R5-R2-R3.
C. With one-to-one link or node protection, the detour LSP path is R1-R4-R5-R3.
D. If the R2-R3 link fails, router R3 becomes a PLR
E. None of the nodes can be protected with FRR.
Answer: A,C

Alcatel-Lucent examen   4A0-103   certification 4A0-103

NO.2 Assume that, on the Alcatel-Lucent 7750 SR, an LSP is configured with one-to-one FRR and node
protection. Which of the following statements are FALSE? (Choose two)
A. Each PLR signals a detour LSP that avoids the downstream node. If the downstream node cannot be
avoided, a detour LSP that avoids the downstream link is signaled.
B. The detour LSP can take one or more hops before merging back on the protected LSP.
C. The merge point of the protected LSP must be the next-next-hop node
D. The ingress router will set the local protection desired flag in the session attribute object of the path
message to inform all routers along the protected LSP path to establish detour LSPs.
E. The label recording desired flag must be set in the session attribute object in order for the PLR to know
what label to swap when using the detour LSP.
Answer: C,E

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NO.3 Click on the exhibit button below.
Consider the following:
-Routers R1 and R4 are in Area 1.
-Routers R4 and R5 in Area 0.
-Routers R5 and R3 are in Area 2.
To support LDP-over-RSVP tunnels between routers R1 and R3 over path R1-R4-R5-R3, with which
routers will router R5 require targeted sessions? (Choose two)
A. Router R1
B. Router R4
C. Router R2
D. Router R3
Answer: B,D

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NO.4 Which command can be used to verify the LDP settings for label distribution and retention?
A. show router ldp default
B. show router ldp parameters
C. show router ldp settings
D. show router mpls settings
E. show router mpls label-options
Answer: B

Alcatel-Lucent   4A0-103   4A0-103   certification 4A0-103   4A0-103 examen   4A0-103

NO.5 You wish to advertise LDP labels for all local networks; which is the most effective policy statement to
use?
A. from prefix-list direct
B. match local
C. from protocol direct
D. match protocol direct
E. from protocol local
Answer: C

Alcatel-Lucent   4A0-103   4A0-103   certification 4A0-103   4A0-103

NO.6 Click on the exhibit button below.
Given the configuration below, what is the system ID of the destination node?
A. 10.32.1.2
B. 10.1.478
C. 1048.1.1
D. Cannot tell from this configuration
E. 10.1.2.2
Answer: B

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NO.7 What is the significance of receiving a packet with the bottom MPLS label S bit set to 1?
A. It results in forwarding based on the next packet header.
B. It indicates that the label is the bottom of the MPLS label stack.
C. It indicates that the label is the top of the MPLS label stack.
D. Any LSR that receives an S bit set to 1 must discard the packet.
Answer: B

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NO.8 Click on the exhibit button below.
Assuming that LSP R1-R2-R3 requests the default fast reroute configuration, which router becomes a
DMP for the detour tunnels?
A. Router R1
B. Router R2
C. Router R3
D. Router R4
E. Router R5
Answer: E

Alcatel-Lucent examen   4A0-103   4A0-103   4A0-103

NO.9 What is the common usage of the MPLS EXP bits?
A. Each implementation can use them as they see fit.
B. They are used to carry the Ethertype value.
C. They are used to carry the TTL value.
D. They are used to carry QoS classification.
E. They are used to carry fragmentation flag information
Answer: D

certification Alcatel-Lucent   4A0-103 examen   4A0-103

NO.10 Which of the following indicates the path over which an LSP's tail end router will return an RSVP RESV
message?
A. The IGP FIB.
B. The Reservation State Block (RSB)
C. The Path State Block (PSB)
D. The opaque database.
Answer: C

Alcatel-Lucent examen   4A0-103   4A0-103   4A0-103 examen

NO.11 During node protection signaling, the PLR knows the address of the MP from which of the following
methods?
A. The PLR issues a RSVP path message to the destination router to request the address of the MP.
B. The PLR learns the address of the MP from the ERO.
C. The PLR learns the address of the MP from the RRO
D. The PLR learns the address of the MP from the targeted RSVP hello message.
E. The PLR does not need to know the address of the MP.
Answer: C

Alcatel-Lucent   4A0-103   4A0-103 examen

NO.12 Which of the following statements best describe MPLS fast reroute characteristics? (Choose two)
A. Fast reroute requires you to manually define detour paths.
B. Fast reroute provides path protection close to the failure point
C. Fast reroute performs automatic path calculation and signaling.
D. Fast reroute protects both primary and secondary paths.
Answer: B,C

Alcatel-Lucent   4A0-103   4A0-103   certification 4A0-103

NO.13 Which of the following is defined by the following statement? All label mappings received from all peer
LSRs are saved.
A. Conservative label retention
B. Liberal label retention.
C. Downstream on demand.
D. Downstream unsolicited.
Answer: B

Alcatel-Lucent   4A0-103 examen   4A0-103   4A0-103

NO.14 Which of the following message types does RSVP use to set up an LSP? (Choose two)
A. Path message
B. iLER message
C. Resv message
D. LSP setup call request
E. eLER message
Answer: A,C

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NO.15 Which of the following statements regarding LSP path configuration are true? (Choose three)
A. The path must include at least one hop.
B. The path may be used multiple times in a single LSP.
C. The path may comprise loose hop entries only.
D. The path must define the LSP's tail end.
E. The path may be used for multiple LSPs.
Answer: C,E

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NO.16 Router R3 signals an LSP, reserving 1Gbps bandwidth on a 10Gbps link. RSVP configuration limits
reservable bandwidth to 20 percent on the egress interface. Which of the following statements is true?
A. The egress RSVP interface has 80 percent bandwidth unreserved.
B. LSPs can reserve an additional 9.9 Gbps bandwidth on this RSVP interface.
C. The head end reserves 100Mbps for the LSP
D. The egress RSVP interface has 1 Gbps bandwidth unreserved.
Answer: D

certification Alcatel-Lucent   4A0-103   4A0-103   4A0-103

NO.17 Click on the exhibit button below.
Given the output below, which of the following statements are true? (Choose three)
A. A packet arriving with label 131066 and destined for prefix 10.10.10.243/32 will be forwarded out
interface 1/1/4, with label 131070.
B. LDP ECMP is enabled.
C. The router ¯ s sys t e m add r ess i s 10 . 10 . 10 . 242 / 32 .
D. There are multiple LSPs to reach FEC 10.10.10.244/32.
E. The router cannot receive any unlabeled packets destined for prefix 10.10.10 223/32.
Answer: A,B,D

Alcatel-Lucent   4A0-103 examen   4A0-103

NO.18 In MPLS, labels are distributed in the opposite direction of the data flow.
A. TRUE
B. FALSE
Answer: A

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NO.19 Which of the following statements best describes downstream unsolicited label distribution?
A. An LER may answer requests for label mappings immediately, without waiting for a label mapping from
the next-hop.
B. An LER may advertise label mappings to all peers for which it might be a next-hop for a given FEC.
C. An LER propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC
next-hop.
D. An LER will only distribute a label for a FEC when it has been requested to do so.
Answer: B

Alcatel-Lucent   4A0-103   4A0-103 examen   4A0-103   4A0-103 examen

NO.20 Click on the exhibit button below.
With fast reroute enabled, and given the following:
-Two protected LSPs with the path R1-R2-R3
-Both LSPs enable facility bypass and link protection.
When router R1 is the PLR, which router becomes the MP?
A. Router R1
B. Router R2
C. Router R3
D. Router R4
E. Router R5
Answer: B

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Code d'Examen: 4A0-101
Nom d'Examen: Alcatel-Lucent (Alcatel-Lucent Interior Routing Protocols and High Availability)
Questions et réponses: 177 Q&As

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NO.1 In an IP datagram, which of the following fields identifies the receiving application?
A. The protocol field of the transport layer header.
B. The port field of the transport layer header.
C. The protocol field of the network layer header.
D. The port field of the network layer address.
Answer: B

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NO.2 There is an IP host with IP address 10.2.3.1. A static route is created, using the "configure
router static-route 10.2.3.0/ 24 next-hop 10.1.2.1" command. What is the correct traceroute
command to test this static route on an Alcatel-Lucent 7750 SR?
A. traceroute 10.2.3.1
B. traceroute 10.2.3.1 next-hop 10.1.2.1
C. traceroute next-hop 10.1.2.1
D. traceroute does not work on the Alcatel-Lucent 7750 SR.
E. traceroute 10.1.2.1
Answer: A

Alcatel-Lucent   4A0-101   4A0-101
15. What is the default preference value for a static route in the Alcatel-Lucent 7750 SR?
A. 0
B. 5
C. 10
D. 15
Answer: B

Alcatel-Lucent examen   4A0-101   certification 4A0-101
16. Which of the following statements regarding distance vectors protocols are true? (Choose
two answers).
A. RIPvl, RIPv2, and BGP are distance vector protocols.
B. OSPF and IS-IS are distance vector protocols.
C. Routing tables are exchanged between neighbors; however, no routing table is transmitted
beyond the immediate neighbor.
D. Distance vector protocols use the Dijkstra SPF algorithm.
E. Routers that participate in distance vector routing protocols maintain full knowledge of distant
routers and how they interconnect
Answer: A,C

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NO.3 Static routing will be used in a network between a corporate head office, with many
connected networks, and a branch office, with one connection to the head office. Which of the
following best describes the likely configuration?
A. The corporate head office router will have a default route and the branch site will have a more
specific static route.
B. The corporate head office router and the branch office router will both have specific static routes.
C. The corporate head office router and the branch router will both have default routes.
D. The corporate head office router will have a more specific static route and the branch office
router will have a default route.
Answer: D

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NO.4 Click the exhibit button.
What triggers convergence of the routing protocol when the link between switch 1 and switch 2
goes down?
A. Convergence is triggered when the adjacency between routers R1 and R2 drops as a result of
Hello timeouts. At this point, both routers R1 and R2 re-compute their link state database and send
updates to their adjacent routers. Once the process is complete for all routers, the networks have
converged.
B. Convergence is triggered when the physical interfaces between routers R1 and R2 go down. At
this point, both routers R1 and R2 re-compute their link state database and send updates to their
adjacent routers. Once the process is complete for all routers, the networks have converged.
C. Convergence will not be triggered because switches cannot run routing protocols between them.
D. Convergence is triggered when the switches notify the routers about the link state information.
At this point, both routers R1 and R2 re-compute their link state database and send updates to their
adjacent routers. Once the process is complete for all routers, the networks have converged
E. Convergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link
is down. At this point, both routers R1 and R2 re-compute their link state database and sendupdates
to their adjacent routers. Once the process is complete for all routers, the networks have converged.
Answer: A

Alcatel-Lucent   4A0-101   certification 4A0-101   4A0-101

NO.5 Which of the following commands can be used to display the number of SPF computations
that have been performed on a router?
A. show router ospf area <area-id>
B. show router ospf neighbor
C. show router ospf interface
D. show router ospf status
Answer: A

Alcatel-Lucent   4A0-101   4A0-101   4A0-101

NO.6 Click the exhibit button.
A static route is created on router R1, using the "static-route 0.0.0.0/ 0 next-hop 10.3.3.2"
command. What command can be used to test the static route on an Alcatel-Lucent 7750 SR?
A. ping static 10.5.5.5
B. ping static 0.0.0.0/ 0
C. ping 10.5.5.5
D. ping 0.0.0.0
Answer: C

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NO.7 Click the exhibit button.
What is the command to configure a static route on the Alcatel-Lucent 7750 SR router R1 to reach
the network behind router R2?
A. configure router static-route 139.120.121.0/ 24 next-hop 138.120.199.2
B. configure router static-route 139.120.121.0/ 24 next-hop 138.120.199.1
C. configure router static-route 138.120.199.2 / 24 next-hop 138.120.199.1
D. configure router static-route 139.120.121.0/ 24 next-hop 139.120.121.2
Answer: A

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NO.8 Which of the following statements describe the major features of OSPF? Choose two answers.
A. Fast reroute capability
B. Control traffic prioritization
C. Route redistribution
D. Traffic engineering extensions
E. Cut through forwarding
Answer: C,D

Alcatel-Lucent   certification 4A0-101   4A0-101   4A0-101   4A0-101

NO.9 Click the exhibit button.
In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming
that there are no stub networks, which of the following statements regarding type 4 LSA generation
is true?
A. Router R1 generates a type 4 LSA that is flooded to areas 0, 1, and 2.
B. Router R3 generates a type 4 LSA that is flooded to areas 0, 1, and 2.
C. Router R3 generates a type 4 LSA that is flooded to areas 0 and 2.
D. Router R3 generates a type 4 LSA that is flooded to area 0, and router R6 generates a type 4 LSA
that is flooded to area 2.
Answer: D

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NO.10 What are the default Hello and Dead timer intervals for OSPF on the Alcatel-Lucent 7750 SR?
A. 5 and 15 seconds
B. 10 and 30 seconds
C. 5 and 20 seconds
D. 10 and 40 seconds
Answer: D

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NO.11 Which of the following statements apply to link state protocol behavior? Choose three
answers.
A. Routers broadcast the entire route table to all neighbors.
B. Information about directly connected links is sent to all neighbors.
C. An adjacency database is maintained by each router.
D. The sequence number for an update is incremented as it is flooded from router to router.
E. The topological database is the same for all routers in a single area.
Answer: B,C,E

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NO.12 What causes an adjacency to change from down to two ways?
A. When a link state update is received in response to a link state request.
B. When a router receives a Hello packet that contains its own router ID in the neighbor list from a
neighbor.
C. When a router receives a database description packet from a neighbor.
D. When a link state acknowledgement is received in response to a link state update.
Answer: B

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NO.13 When a router receives an IP packet, but does not find a match in the routing table for the
destination IP address, what actions are performed by the router?
A. The packet is flooded out all router interfaces.
B. The packet is dropped and an ICMP unreachable message is sent back to the source.
C. The packet is silently discarded.
D. The packet is flooded out all interfaces and an ICMP unreachable message is sent.
Answer: B

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NO.14 Click the exhibit button.
Routers R1, R2, and R3 are running a classful routing protocol between them. Assuming that router
R1 advertises all directly connected networks, how will these networks be represented in router
R3's routing table?
A. Router R3's routing table can only contain one of the routes, which will result in route flapping.
B. Router R3's routing table will have one entry for 10.1.1.0/ 24 and one entry for 10.1.2.0/ 24.
C. The networks will be represented with one entry of 10.0.0.0/ 8 in router R3's routing table.
D. The networks will be represented with one entry of 10.0.0.0/ 24 in router R3's route table.
Answer: C

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