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SRC Certification
4A0-101
Alcatel-Lucent Interior Routing Protocols and High Availability Questions and Answers

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Viewing questions 21-30 out of questions

Questions # 21:

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Question # 21

What is the command to configure a static route on the Alcatel-Lucent 7750 SR router R1 to reach the network behind router R2?

Options:

configure router static-route 139.120.121.0/24 next-hop 138.120.199.2

configure router static-route 139.120.121.0/24 next-hop 138.120.199.1

configure router static-route 138.120.199.2/24 next-hop 138.120.199.1

configure router static-route 139.120.121.0/24 next-hop 139.120.121.2

Answer

Questions # 22:

What is the protocol number for OSPF in the IP header?

Options:

OSPF uses TCP, so the protocol number is 6.

OSPF uses UDP, so the protocol number is 17.

OSPF does not use IP.

OSPF has its own protocol number of 89.

Answer

Questions # 23:

What are the default Hello and Dead timer intervals for OSPF on the Alcatel-Lucent 7750 SR?

Options:

5 and 15 seconds

10 and 30 seconds

5 and 20 seconds

10 and 40 seconds

Answer

Questions # 24:

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Question # 24

The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF adjacency in?

Options:

The adjacency state is two way because both routers have received a database description packet.

The adjacency is in the exchange state. The next step is to exchange link state request and link state update packets.

The adjacency is in the ex start state. The routers have exchanged database description packets, but still have to negotiate the starting sequence number.

The adjacency state is full. The routers are exchanging database description packets to notify each other that all link state advertisements have been received.

Answer

Questions # 25:

Two IS-IS L1/L2 routers are in the same area on the same Ethernet segment. How many adjacencies will be formed between them?

Options:

None

Answer

Questions # 26:

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Question # 26

In the IS-IS network shown, router R1 has been configured to summarize network 20.20.1.0/24 and 20.20.2.0/24 as 20.20.0.0/16. Which router's routing table will be reduced compared to the routing table before the summarization?

Options:

Router R1

Router R2

Routers R1 and R2

Router R4

Answer

Questions # 27:

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Question # 27

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

Options:

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.

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.

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.

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.

Answer

Questions # 28:

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Question # 28