Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 801:

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

  A. None

  B. 1

  C. 2

  D. 3

  E. 4

  Correct Answer: C

• Question 802:

  What acts as the tie breaker on an Alcatel-Lucent 7750 SR if the priorities are the same when IS-IS is electing a DIS?

  A. The system ID

  B. The loopback address

  C. The sequence number of the hello packet

  D. The device that first initiated communication becomes the DIS

  Correct Answer: A

• Question 803:

  Click the exhibit button.

  

  Which of the following would correctly configure routers R2, R3, and R4?

  

  

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 804:

  Exhibit Given the two configurations shown, identify the two incorrect statements below: (Choose two)

  

  A. Both routers will generate OSPF Hello packets.

  B. The system interface is missing in one configuration so OSPF will not operate correctly.

  C. The interface type settings differ, but OSPF will still operate correctly.

  D. Metric values differ, but this does not prevent OSPF operation.

  Correct Answer: BC

• Question 805:

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

  A. They are sent using multicast MAC addresses 0180:0200:0014.

  B. They are sent using multicast MAC addresses 0180:c200:0015.

  C. They are sent using a unicast address.

  D. None of the above.

  Correct Answer: C

• Question 806:

  A default route for a client is also known as the:

  A. Default path

  B. Default gateway

  C. Gateway path

  D. Proxy ARP

  Correct Answer: B

• Question 807:

  When IS-IS elects a DIS, what is used as the tie breaker on an Alcatel-Lucent 7750 SR, if the priorities are the same?

  A. The system ID.

  B. The loopback address.

  C. The sequence number of the Hello packet.

  D. The device that first initiated communication becomes the DIS

  E. The highest interface MAC address.

  Correct Answer: E

• Question 808:

  What is wrong with the following filter configuration from an Alcatel-Lucent 7750 SR?

  RTR-B# configure filter RTR-B>config>filter# ip-filter 1 create RTR-B>config>filter>ip-filter$ entry 1 create RTR-B>config>filter>ip-filter>entry$ match src-ip 172.2.0.0/16 RTR-B>config>filter>ip-filter>entry# action drop RTR-B# configure router interface toRTR-A RTR-B>config>router>if# egress RTR-B>config>router>if>egress# filter ip 1

  A. There is nothing wrong with this filter

  B. The filter should be applied to the ingress and not the egress.

  C. The mask cannot be a "/" value, it must be in dotted decimal.

  D. All traffic is being blocked

  Correct Answer: D

• Question 809:

  The exhibit shows a route to 2001:DB8:1:200::/56 in the IPv6 route table. How did the route get into the route table?

  

  A. Configure router ipv6 static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3

  B. Configure router ipv6 static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3-toR2

  C. Configure router static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3

  D. Configure router static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3-toR2

  E. The route was learned through a dynamic routing protocol.

  Correct Answer: D

• Question 810:

  Which of the following statements regarding the IS-IS CSNP is false?

  A. CSNPs are used to maintain consistency in the link state database.

  B. CSNPs are advertised before an adjacency is formed with another router.

  C. There are two types of CSNPs: Level 1 and Level 2.

  D. CSNPs are advertised after an adjacency is formed with another router.

  Correct Answer: B