Nokia 4A0-103 Exam Questions Instant Access

Question 1

The destination IP address of a received unlabeled packet is successfully matched in the FIB.

Which of the following is FALSE?

AA POP label stack operation may be performed.

BThe outgoing interface and next-hop address will be determined from the FIB.

CThe packet can be forwarded as a labeled or unlabeled packet.

DA PUSH label stack operation may be performed.

Answer : A

Question 2

Click on the exhibit.

This policy is applied on a router as an LDP export policy and an LDP session has been established between this router and its neighboring router. In addition to the FECs learned from its neighbors, what additional FECs will appear in this router's LIB?

AAll FECs that are in the 192.168.1.0/24 address space.

BLocal FECs that are in the 192.168.1.0/24 address space.

CAll FECs that are not in the 192.168.1.0/24 address space.

DAll FECs except the local FECs that are in the 192.168.1.0/24 address space.

Answer : B

Question 3

Click on the exhibit.

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

A10.32.1.2

B10.1.4.78

C10.48.1.1

D10.1.2.2

Answer : C

Question 4

Which of the following best describes constraint-based routing?

AA mechanism that implements opaque LSAs.

BA mechanism that computes routes based on defined user requirements.

CA mechanism that allows the IGP shortest path to be used.

DA mechanism that allows RSVP or LDP signaling to use a route other than the IGP best route to establish a LSP.

Answer : B

Question 5

Click on the exhibit.

This policy is applied as an LDP export policy. In addition to the FECs learned from its neighbors, which FECs now appear in the router's LIB?

ALocal FECs not included in the 192.168.1.0/24 address space and the system IP FEC

BOnly the system IP FEC appears in the LIB

CAny local FECs, except those with a 24-bit mask.

DLocal FECs in the 192.168.1.0/24 address space.

Answer : A

Question 6

Which of the following statements is true when the implicit null is implemented?

AThe penultimate router will POP the top label from the packets.

BThe eLER will receive packets with a top label value of 3.

CThe eLER will receive packets with a top label value of 0.

DThe penultimate router will always receive unlabeled packets.

EThe penultimate router performs a double lookup on the packet.

Answer : A

Question 7

Click on the exhibit.

Router R2 advertises the aggregate prefix 10.10.10.0/24 into Area 1. Why would LDP aggregate-prefix-match be enabled on router R3?

ATo reduce the number of LDP sessions

BTo reduce the number of LIB and LFIB entries

CTo bypass the LDP exact prefix match rule

DTo export summarized routes from OSPF to LDP

Answer : C

Nokia Multiprotocol Label Switching 4A0-103 Exam Questions