Nokia 4A0-C04 Online Practice Questions and Exam Preparation

Nokia 4A0-C04 Online Questions & Answers

• Question 261:

  Which MPLS mode saves only active label mappings received from peer LSRs?

  A. Conservative label retention
  B. Liberal label retention
  C. Downstream on demand
  D. Downstream unsolicited
  A. Conservative label retention

• Question 262:

  Click the exhibit.

  

  Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router RR1?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  C. Option C

• Question 263:

  Which of the following devices inspects the MPLS header in the received packet, and exchanges it for a new MPLS header?

  A. iLER
  B. LER
  C. LSR
  D. PE
  E. eLER
  C. LSR

• Question 264:

  Which of the following concerning OSPFv3 is TRUE?

  A. OSPFv3 uses MD5 Authentication.
  B. Router LSAs carry IPv6 prefix information.
  C. NSSA is supported in OSPFv3.
  D. OSPFv3 uses a 64-bit router ID.
  C. NSSA is supported in OSPFv3.

• Question 265:

  Click the exhibit button.

  

  192.168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?

  A. Add the "originate-default-route" option in the NSSA area configuration on router R3
  B. Add the "summaries" option to the NSSA area configuration on router R1
  C. Make a static route on router R1 to 192.168.3.1
  D. Make a default route on router R2
  B. Add the "summaries" option to the NSSA area configuration on router R1

• Question 266:

  An OSPF adjacency is stuck in the exstart state. What is the most likely cause?

  A. The MTU does not match on both interfaces.
  B. OSPF is not enabled on one of the routers.
  C. The router ID is the same on both routers.
  D. An OSPF Hello has not been received from the neighbor.
  E. The interfaces are configured as point-to-point on one side and broadcast on the other.
  A. The MTU does not match on both interfaces.

• Question 267:

  The Nokia 7750 SR supports which two of the OSPF area types below?

  A. Not So Stubby Areas
  B. Level 1 Areas
  C. Stub Areas
  D. Partially Stubby Areas
  A. Not So Stubby Areas
  C. Stub Areas

• Question 268:

  A router receives an OSPF database description packet from a neighbor that references an LSA, which is already in the router's LSDB. The sequence number in the DBD packet is lower than the sequence number of the LSA in the LSDB.

  What action does the router take?

  A. The router sends a link-state update to its neighbor.
  B. The router sends a link-state acknowledgement to its neighbor.
  C. The router updates the information in its LSDB with the information received from its neighbor.
  D. The router sends a link-state request to its neighbor.
  E. The router takes no action.
  A. The router sends a link-state update to its neighbor.

• Question 269:

  Click the exhibit.

  

  Given the following configuration for router R1, what is the expected Next Hop for prefix 192.168.1.0/27 as seen on router R2?

  

  A. 10.0.2.1
  B. 10.0.2.2
  C. 10.16.10.1
  D. 10.16.10.3
  B. 10.0.2.2

• Question 270:

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

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  Explanation/Reference: