Nokia Nokia Certifications 4A0-103 Questions & Answers

• Question 51:

  Which of the following about Type 10 opaque LSAs is TRUE?

  A. Type 10 opaque LSAs are supported by IS-IS.

  B. Type 10 opaque LSAs are flooded to all areas of the routing domain.

  C. Type 10 opaque LSAs are stored in an LSDB.

  D. Type 10 opaque LSAs are used for traffic engineering support.

  Correct Answer: D

• Question 52:

  Which of the following about an ERO in an RSVP PATH message is FALSE?

  A. ERO is used by downstream routers to determine the next-hop for the LSP.

  B. ERO contains label information used to signal an LSP path.

  C. ERO is not always present in the PATH message.

  D. Each downstream router updates information inside the ERO.

  Correct Answer: B

• Question 53:

  What labels are encapsulated in the tunnels used by a 6PE deployment?

  A. The inner label is the IPv4 Explicit Null. The outer label is the MPLS transport label,

  B. The inner label is an MPLS transport label. The outer label is the IPv4 Explicit Null.

  C. The inner label is the IPv6 Explicit Null. The outer label is an MPLS transport label.

  D. The inner label is an MPLS transport label. The outer label is the IPv6 Explicit Null.

  Correct Answer: C

• Question 54:

  Click on the exhibit.

  

  Which of the following is FALSE?

  A. The Isp-ping tool is used to perform a unidirectional LSP test.

  B. The router 10.10.10.2 is the egress router of the LSP.

  C. The router can reach the far-end of the LSP through an RSVP-TE tunnel.

  D. The router can reach the far-end of the LSP through an LDP tunnel.

  Correct Answer: D

• Question 55:

  What are the default settings for RSVP-TE on the Alcatel-Lucent 7750 SR?

  A. Per-interface label space, liberal retention mode

  B. Per-platform label space; liberal retention mode

  C. Per-interface label space, conservative retention mode

  D. Per-platform label space, conservative retention mode

  Correct Answer: D

• Question 56:

  Click on the exhibit.

  

  This LSP terminates on a system IP address. What is the system address of the destination node?

  A. 10.32.1.2

  B. 10.1.4.78

  C. 10.48.1.1

  D. 10.1.2.2

  Correct Answer: C

• Question 57:

  Click on the exhibit.

  

  When router R1 forwards a PATH message to router R2, which of the following about the PATH message's IP header is TRUE?

  A. The options field is set to router alert.

  B. The source address is R1's egress interface address.

  C. The destination address is R2's ingress interface address.

  D. The HOP object includes R2's system address.

  Correct Answer: A

• Question 58:

  Click on the exhibit.

  

  After the Isp-ping command is executed, which of the following best describe the router's action?

  A. MPLS Echo Request packets are sent unlabeled to the prefix 192.10.1.2.

  B. MPLS Echo Request packets are sent within the LDP tunnel that are signaled for 192.10.1.2.

  C. MPLS Echo Request packets are sent within the RSVP-TE tunnel that are signaled for 192.10.1.2.

  D. MPLS Echo Request packets are sent over TCP.

  Correct Answer: B

• Question 59:

  Which of the following about LDP sessions is TRUE?

  A. Frame mode requires multiple sessions between peers.

  B. The lower transport address initiates the session.

  C. Established LDP sessions run over a TCP connection.

  D. An LDP session is established immediately after Init messages are exchanged between peers.

  Correct Answer: C

• Question 60:

  What is the purpose of a T-LDP session?

  A. It allows link LDP to be configured on the edge devices only.

  B. It is used to signal the transport labels in the provider core.

  C. It allows selective control over which devices are configured for LDP.

  D. It is used to signal the service labels in the provider core.

  Correct Answer: D