Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 601:

  An IS-IS router receives a CSNP that references an older LSP than the one in its database. What action is taken?

  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

• Question 602:

  Static routing is to 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 should have a default route and the branch site should have a more specific static route

  B. The corporate head office router and the branch office router should both have specific static routes.

  C. The corporate head office router and the branch router should both have default routes.

  D. The corporate head office router should have a specific static route and the branch office router should have a default route.

  Correct Answer: D

• Question 603:

  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

  Correct Answer: C

• Question 604:

  If the OSPF reference bandwidth is set to 1000 Gbps. what is the cost of a 1 Gbps interface?

  A. 1

  B. 10

  C. 100

  D. 1000

  Correct Answer: D

• Question 605:

  Which of the following best describes distance vector protocols?

  A. They periodically exchange copies of routing tables between adjacent routers and do not maintain any knowledge of links on non adjacent routers.

  B. They use shortest path first algorithms, do not exchange copies of routing tables between routers and do maintain knowledge of links on non adjacent routers.

  C. They periodically exchange copies of routing tables between adjacent routers and maintain knowledge of links on non adjacent routers.

  D. They use shortest path first algorithms, exchange copies of routing tables between routers and maintain knowledge of links on non adjacent routers.

  Correct Answer: A

• Question 606:

  Click on the exhibit.

  

  Router R4 is being added to the network and it is connected to a non-OSPF domain.

  Which area type should be used for Area 1 to allow the external routes to be advertised into Area 0?

  A. Backbone

  B. NSSA

  C. Stub

  D. Totally stubby

  Correct Answer: B

• Question 607:

  Click on the exhibit button below.

  

  If the four LSPs shown use the shared-explicit reservation style, how much bandwidth does CSPF request across a single 1Gbps link?

  A. 100Mbps

  B. 200Mbps

  C. 300Mpbs

  D. 600Mbps

  E. 700Mbps

  Correct Answer: E

• Question 608:

  On which type of IS-IS router is summarization most likely to be configured?

  A. L1 routers

  B. L2 routers

  C. L1/L2 routers

  D. L1 and L2 routers

  Correct Answer: C

• Question 609:

  Which of the following about the OSPF BDR is TRUE?

  A. A BDR is always required on point-to-point links.

  B. The second highest RID is always the BDR.

  C. The BDR only listens for link-state updates sent to 224.0.0.5.

  D. The BDR always acknowledges link-state updates from the DR

  Correct Answer: D

• Question 610:

  Which of the following best describes the function of an OSPF Type 4 LSA?

  A. A Type 4 LSA is originated by an ABR to describe a route to an ASBR to routers outside the area.

  B. A Type 4 LSA is originated by an ASBR to describe a route to itself to routers outside the area.

  C. A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the backbone area to provide routing information.

  D. A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the stub area to provide routing information.

  Correct Answer: A