Nokia Nokia Certifications 4A0-101 Questions & Answers

• Question 161:

  Click the exhibit button.

  

  Router R2 advertises the network 192.168.3.0/24 to router R1 via RIP. How can router R1 ensure that it discards the route?

  A. Use an import policy and a prefix list on router R1 to reject this route.

  B. Use a prefix list on router R1 to discard all ingress IS-IS routes.

  C. Use an export policy and prefix list on router R1 to reject this route.

  D. This is not possible because RIP cannot use import policies.

  Correct Answer: A

• Question 162:

  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

  Correct Answer: A

• Question 163:

  Click the exhibit button.

  

  What is the command to configure a static route on the 7750 service 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

  Correct Answer: A

• Question 164:

  Which of the following LSA types stay within an OSPF area, and are not flooded outside of the area? Choose two answers.

  A. Router LSA

  B. Network LSA C Summary network LSA

  C. Summary router LSA

  D. Type 5 (AS external) LSAs

  Correct Answer: AB

• Question 165:

  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.

  Correct Answer: D

• Question 166:

  Which of the following are types of routers in an IS-IS topology? Choose three answers

  A. Level 0

  B. Level 1

  C. Level 2

  D. Level 0/1

  E. Level 1/2

  Correct Answer: BCE

• Question 167:

  How are LSPs acknowledged on IS-IS broadcast links?

  A. The LSP is acknowledged by sending a PSNP PDU.

  B. The LSP is acknowledged by sending an LSP PDU.

  C. The LSP is acknowledged by sending a Hello PDU.

  D. LSP are not acknowledged on broadcast links. The DIS sends periodic CSNPs to maintain database synchronization

  Correct Answer: D

• Question 168:

  What is the source IP address in an OSPF update?

  A. 224.0.0.5

  B. 224.0.0.6

  C. The unicast IP address of the interface the update is sent on

  D. The system address of the router.

  Correct Answer: C

• Question 169:

  What is the primary purpose of classless interdomain routing (CIDR)?

  A. To support classful routing protocols.

  B. To allow IP routes to be defined using any number of bits for the network portion of the address.

  C. To allow interdomain routing between an IGP and EGP such as OSPF and BGP.

  D. To simplify the allocation of IP address space by defining a fixed size for the network portion of the address for each of the address classes.

  Correct Answer: B

• Question 170:

  In IS-IS database synchronization, each router compares each LSP described in the received CSNPs with the LSPs in its own database. Which of the following actions is taken if the database contains a newer copy of the LSP?

  A. The router sends a copy of the LSP from its database to its neighbor

  B. The router sends a PSNP to its neighbor describing the LSP in its database.

  C. The router updates its database with the LSP and floods a copy to its other neighbors.

  D. The router sends a PSNP to its neighbor to request the LSP.

  Correct Answer: A