Nokia Nokia Certifications 4A0-101 Questions & Answers

• Question 121:

  Which OSPFv3 LSA advertises an ASBR?

  A. AS Summary

  B. Inter-Area Network

  C. Inter-Area Router

  D. Intra-Area Prefix

  Correct Answer: C

• Question 122:

  Click on the exhibit.

  

  What value would be expected in the state field?

  A. Exchange

  B. Up

  C. Down

  D. 2-Way

  Correct Answer: C

• Question 123:

  Click on the exhibit.

  

  In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. There are no stub or NSSA areas. Which of the following regarding LSAs is TRUE?

  A. Router R3 will advertise Type 7 LSAs to Area 0 and Area 2.

  B. Only routers R2 and R3 receive Type 5 LSAs advertised by router R1.

  C. Router R2 will receive Type 5 and Type 7 LSAs.

  D. Router R7 will receive Type 5 LSAs advertised by router R1.

  Correct Answer: D

• Question 124:

  Which LSA type is not found in point-to-point only OSPF networks?

  A. Type 1 Router LSA

  B. Type 2 Network LS A

  C. Type 3 Summary LSA

  D. Type 5 External LSA

  Correct Answer: B

• Question 125:

  Click on the exhibit.

  

  The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.

  What may be causing this?

  A. 'asbr' is missing from router R1's configuration.

  B. Router R1 needs to have an export policy added to it.

  C. Router R5 does not have an export policy for these prefixes.

  D. Router R1 needs to have an import policy added to it.

  Correct Answer: C

• Question 126:

  Click on the exhibit.

  

  Based on the topology shown and the route tables of routers R3 and R4, which of the following is correct?

  A. There is no route leaking configured on router R1 or router R2.

  B. Route leaking is configured on router R1 but not on router R2.

  C. Route leaking is configured on router R2 but not on router R1.

  D. Route leaking is configured on both router R1 and router R2.

  Correct Answer: D

• Question 127:

  Click on the exhibit.

  

  Examine the physical topology of the IS-IS network, the metrics of the links and the levels of the routers. All routers have a system address included in IS-IS. Which of the following describes the route that router R4 will use to reach the system address of router R6?

  A. Router R4 will have a route to router R6's system address with router R2 as the next-hop.

  B. Router R4 will have a default route with router R2 as the next-hop.

  C. Router R4 will have a default route with router R3 as the next-hop.

  D. Router R4 will not have a route that can be used to reach the system address of router R6.

  Correct Answer: D

• Question 128:

  Click on the exhibit.

  

  The numbers beside the links are the metrics for that link.

  Given the diagram, what path will traffic follow from router R1 to router R7, and from router R7 to router R1, if IS-IS is the routing protocol?

  A. Router R1 to router R7 will follow (R1-R2-R4-R6-R7). Router R7 to R1 will follow (R7- R6-R4-R2-R1)

  B. Router R1 to router R7 will follow (R1-R2-R4-R6-R7). Router R7 to R1 will follow (R7- R6-R5-R3-R1)

  C. Router R1 to router R7 will follow (R1-R3-R5-R6-R7). Router R7 to R1 will follow (R7- R6-R4-R2-R1)

  D. Router R1 to router R7 will follow (R1-R3-R5-R6-R7). Router R7 to R1 will follow (R7- R6-R5-R3-R1)

  Correct Answer: C

• Question 129:

  What is the replacement for ARP in IPv6?

  A. The use of Broadcast messages in combination with Neighbor Advertisement messages.

  B. The use of Anycast addresses in combination with Neighbor Advertisement messages.

  C. The use of Solicited-node multicast addresses in combination with Neighbor Advertisement messages.

  D. The use of Anycast addresses in combination with Link-Local Advertisement messages.

  Correct Answer: C

• Question 130:

  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