Nokia Nokia Certifications 4A0-C04 Questions & Answers

• Question 141:

  Click the exhibit button.

  

  Routers R1 ,, R2, and R3 are running a classful routing protocol between them. Assuming that router R1 advertises all directly connected networks, how will these networks be represented in router R3's routing table?

  A. Router R3's routing table can only contain one of the routes, which will result in route flapping.

  B. Router R3's routing table will have one entry for 10.1.1.0/24 and one entry for 10.1.2.0/24.

  C. The networks will be represented with one entry of 10.0.0.0/8 in router R3's routing table.

  D. The networks will be represented with one entry of 10.0.0.0/24 in router R3's route table.

  Correct Answer: C

• Question 142:

  How does a DMP inform the downstream routers that it has merged detour tunnels?

  A. The DMP sends the DMP_Object in each detour's PATH messages.

  B. The DMP summarizes PATH messages, giving each detour its own MSGJD.

  C. The DMP identifies itself as the previous hop in each detour's PATH message.

  D. The DMP sends a single PATH message containing the merged DETOUR_Objects.

  Correct Answer: D

• Question 143:

  What is the default priority value used for electing the DR on an Nokia 7750 SR running OSPF on an Ethernet?

  A. Priority of 0

  B. Priority of 1

  C. Priority of 64

  D. Priority of 255

  Correct Answer: B

• Question 144:

  Which of the following regarding BGP Path Identifier is FALSE?

  A. Path-ID is a four-octet identifier pre-pended to the NLRI field of a BGP update.

  B. Path-ID is an optional transitive attribute used to advertise multiple paths.

  C. Path-ID uniquely identifies each path advertised to a neighbor.

  D. A BGP speaker that re-advertises a route must generate its own Path-ID.

  Correct Answer: B

• Question 145:

  Click the exhibit.

  

  Router R3 is configured with an import policy to reject updates with an AS Path matching the regular expression ".+ 65540". Which of the following regarding updates originating in AS 65540 is TRUE?

  A. Router R3 rejects all updates originating in AS 65540.

  B. Router R3 accepts updates received from router R1 and rejects updates transited through router R2.

  C. Router R3 accepts updates transited through router R2 and rejects updates received from router R1.

  D. Router R3 accepts updates from both routers R1 and R2.

  Correct Answer: B

• Question 146:

  If an Nokia 7750 SR is an iLER operating in pipe mode, which of the following regarding the TC field (EXP bits) is TRUE?

  A. The TC field is set based on the value of the DSCP field inside the customer packet.

  B. The TC field is set to a specific value via explicit administrative configuration.

  C. The TC field is set to a system generated random number.

  D. The TC field is set by the eLER.

  Correct Answer: B

• Question 147:

  Which of the following regarding the withdrawal of routes from one BGP speaker to another is TRUE?

  A. An update message is used. Only a single prefix can be withdrawn at a time.

  B. An update message is used. Multiple prefixes can be withdrawn at a time.

  C. A withdraw message is used. Only a single prefix can be withdrawn at a time.

  D. A withdraw message is used. Multiple prefixes can be withdrawn at a time.

  Correct Answer: B

• Question 148:

  On an Nokia 7750 SR, which vc-type will strip service delimiting tags at the ingress PE?

  A. vc-type ether

  B. vc-type vlan

  C. vc-type dotlq

  D. vc-type null

  Correct Answer: A

• Question 149:

  Click the exhibit.

  

  Which of the following statements about the E-pipe service is TRUE?

  A. The service is a local service.

  B. The service requires a second spoke SDP on this router.

  C. The service's VC ID is 44.

  D. The service will accept VLAN tag 100.

  Correct Answer: C

• Question 150:

  Which of the following OSPF area types are supported by the Alcatel- Lucent 7750 SR? Choose two answers.

  A. Not so stubby areas

  B. Level1 area WC

  C. Stub areas

  D. Partially stubby areas

  E. Level 2 areas

  Correct Answer: AC