Alcatel-Lucent Interior Routing Protocols and High Availability - 4A0-101 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

Which of the following is a type of authentication that is supported by OSPF on the Alcatel-Lucent 7750 SR?

A. Two factor authentication B. MD5 authentication C. Challenge handshake authentication protocol (CHAP) D. Extensible authentication protocol (EAP)

Discussion 0

Correct Answer: B Vote an answer

Question 2

Which one of the commands below will create a static route to network 2.3.4.0/24 on the AlcatelLucent 7750 SR router?

A. Static-route next-hop 3.4.5.6 2.3.4.0/24 B. Static route 2.3.4.0/24 next hop 3.4.5.6 C. Static-route 2.3.4.0/24 next-hop 3.4.5.6 D. Static route 2.3.4.0 255.255.255.0 next hop 3.4.5.6

Discussion 0

Correct Answer: C Vote an answer

Question 3

Which of the following statements regarding IS-IS LSPs is true?

A. Separate databases are maintained for L1 , L2, and L1/L2 LSPs. B. The lower the LSP sequence number, the more current the update. C. An LSP packet contains the ATT bits and the IS-type bits. D. There are three types of LSPs: L1, L2 and L1/L2.

Discussion 0

Correct Answer: C Vote an answer

Question 4

Which of the following is not included in a Router LSA?

A. Fully adjacent virtuallinks B. Fully adjacent point-to-point links C. Operationally down interfaces in OSPF D. Waiting state broadcast links E. Loopback Interfaces in OSPF

Discussion 0

Correct Answer: C Vote an answer

Question 5

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

A. It discards packets based on the egress port. B. It discards packets based on the source address. C. It discards packets that match the destination prefix. D. It returns ICMP unreachable messages.

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Correct Answer: C Vote an answer

Question 6

Click on the exhibit.

Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?

A. 2-way B. Down C. Initializing D. Full

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Correct Answer: D Vote an answer

Question 7

How are IS-IS LSPs sent on point-to-point links?

A. They are sent using multicast MAC addresses 0180:c200:0015. B. None of the above. C. They are sent using a unicast address. D. They are sent using multicast MAC addresses 0180:0200:0014.

Discussion 0

Correct Answer: C Vote an answer

Question 8

Which of the following is optional when configuring IS-IS on the Alcatel-Lucent 7750 SR?

A. Configuring IS-IS interfaces B. Configuring level capabilities C. Specifying an area address D. Enabling IS-IS

Discussion 0

Correct Answer: B Vote an answer

Question 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 and 2. C. 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. D. Router R3 generates a type 4 LSA that is flooded to areas 0, 1, and 2.

Discussion 0

Correct Answer: C Vote an answer

Question 10

How are LSPs acknowledged on IS-IS broadcast links?

A. LSP are not acknowledged on broadcast links. The DIS sends periodic CSNPs to maintain database synchronization B. The LSP is acknowledged by sending a Hello PDU. C. The LSP is acknowledged by sending a PSNP PDU. D. The LSP is acknowledged by sending an LSP PDU.

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Correct Answer: A Vote an answer

Question 11

What event causes an OSPF adjacency to change from 'down' to 'two way'?

A. The router receives a link-state update in response to a link-state request. B. The router receives a Hello packet from its neighbor that contains its own router ID in the neighbor list. C. The router receives a database description packet from its neighbor. D. The router receives a link-state acknowledgement in response to a link-state update

Discussion 0

Correct Answer: B Vote an answer

Question 12

Click the exhibit button.

The OSPF adjacency between routers R3 and R1 is down. What is the problem?

A. Area 1 of router R1 should not be configured as a stub. B. There is not enough information to tell. C. Router R3 has the incorrect authentication key type. D. Router R1 has the incorrect authentication key type.

Discussion 0

Correct Answer: D Vote an answer

Question 13

Click on the exhibit.

A static route has been configured on router R1 to reach the PC at 139.120.121.2. What might be causing the ping to fail?

A. Router R1 needs a default route to router R2. B. The static route should use a next-hop of 172.31.1.2 C. Router R2 needs a static route to the PC. D. Router R2 needs a default to router R1.

Discussion 0

Correct Answer: B Vote an answer

Question 14

Which component of the Alcatel-Lucent 7750 SR is in charge of performing the longest prefix match lookup on packets that arrive on the physical interfaces?

A. Switch Fabric B. IOM C. MDA D. CPM

Discussion 0

Correct Answer: B Vote an answer