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4A0-101 Online Practice Questions and Answers

Questions 4

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

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Questions 5

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

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Questions 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

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Questions 7

Click the exhibit button.

What can you deduce from the show command on router R6?

A. The router R6 interface is in a multi-access segment. It is neither the DR nor the BDR for the segment. The DR for this segment would be the router with router ID 10.10.10.5.

B. The router R6 interface is in a multi-access segment. It is neither the DR nor the BDR for the segment; however, this command does not indicate whether 10.10.10.3 or 10.10.10.5 is the DR or BDR.

C. The router R6 interface is in a multi-access segment. It is the BDR, which is why it is not adjacent to the other routers.

D. The router R6 interface is in a multi-access segment. It is neither the DR nor the BDR for the segment. The DR for this segment would be the router with router ID 10.10.10.3.

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Questions 8

Click the exhibit button.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Which of the following statements regarding the OSPF LSAs in the network is true?

A. Router R1 generates a type 5 LSA that is flooded through all OSPF areas.

B. Router R1 generates a type 7 LSA that is flooded through all OSPF areas.

C. Router R1 generates a type 5 LSA that is flooded through area 1. Router R2 generates a type 7 LSA that is flooded through areas 0 and 2.

D. Router R1 generates a type 7 LSA that is flooded through area 1. Router R3 generates a type 5 LSA that is flooded through areas 0 and 2.

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Questions 9

What value should the AFI be set to for locally administered addressing?

A. 1

B. 49

C. 47

D. 45

E. 39

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Questions 10

Which of the following statements regarding IS-IS Hello packets are true? Choose two answers.

A. Different types of Hello packets are exchanged on point-to-point networks than on broadcast networks.

B. L1/L2 Hello packets are exchanged on broadcast links.

C. Different L1 and L2 Hello packets are exchanged on broadcast links.

D. By default, Hello packets are sent every 5 seconds, and the timeout to declare a neighbor down is 15 seconds.

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Questions 11

A static route is created using the command "static-route 0.0.0.0/0 next-hop 3.3.3.1". What command could be used to test the static route on an Alcatel-Lucent 7750 SR?

A. Ping static 3.3.3.1

B. Ping static 0.0.0.0/0

C. Ping 3.3.3.1

D. Ping 0.0.0.0

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Questions 12

What best describes the type of packets used by OSPF routers to exchange updates on a pointto- point link?

A. IP packets sent to an IP multicast address.

B. Ethernet frames sent to an Ethernet multicast address.

C. IP packets sent to an IP unicast address.

D. UDP packets sent to an IP multicast address.

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Questions 13

Which one of the following is a valid IPv6 multicast address?

A. ff00::1:2

B. fe80::216:4dff:fe13:5cae

C. ::ffff:0:0.240.0.0.1

D. 2001:db8::30a:216:4dff:fe13:5cae

E. fd01:2234:5678::1

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Questions 14

Which of the following statements are true? Choose two answers.

A. Route redistribution is only needed if Internet access is a requirement.

B. Route filtering is the process of attaching data path filters to router interfaces.

C. Route filtering involves deciding whether to permit or deny certain routing updates from being accepted into, or distributed out of, the route-selection process.

D. Redistribution is needed for exchanging routes from one routing protocol to another.

E. OSPF routers that are redistributing routes must be configured as ABRs.

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Questions 15

Click on the exhibit.

A service provider is deploying a 6 over 4 tunnel to connect a customer's corporate IPv6 network to all devices at the branch office as shown in the exhibit. Which command is used to create the route to the branch office network on PE1?

A. Configure router static-route 2001:DB8:1:201::/64 indirect 10.10.10.4

B. Configure router static-route 2001:DB8:1:201:764 indirect 2001:DB8:1:200::2

C. Configure router static-route 2001:DB8:1:200::/56 indirect 10.10.10.4

D. Configure router static-route 2001:DB8:1:200:756 indirect 2001:DB8:1:200::2

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Questions 16

Click on the exhibit.

The OSPF adjacency between routers R1 and R3 does not come up. Which of the following is a possible solution to the problem?

A. Stub must be configured on Area 1 of router R1, and removed from Area 1 on router R3.

B. Stub must be configured on Area 1 of router R1 and Area 1 of router R3.

C. Stub must be configured on Area 0 of router R1 and Area 1 of router R3.

D. Area 1 of router R3 should be Area 0, in order to connect via stub to router R1.

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Questions 17

Which of the following is a feature of a black-hole static route?

A. It discards packets based on the source address.

B. It discards packets that match the destination prefix.

C. It returns ICMP unreachable messages.

D. It discards packets based on the egress port.

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Questions 18

Why does IPv6 not use ARP?

A. The ARP functionality has been replaced by the Neighbor Discovery protocol.

B. The ARP functionality is not needed due to the increased IPv6 address space.

C. ICMPv6 reduced its role to connectivity checking and auto-configuration only.

D. ICMFV6 replaced the ARP functionality with Multicast Listener Discovery (MLD).

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Exam Code: 4A0-101
Exam Name: Alcatel-Lucent Interior Routing Protocols and High Availability
Last Update: Mar 25, 2024
Questions: 315 Q&As

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