Nokia 4A0-103 Exam Practice Test Instant Access

Question 1

Which MPLS label mode saves label mappings received from all peer LSRs?

AConservative label retention

BLiberal label retention

CDownstream on demand

DDownstream unsolicited

Answer : B

Question 2

Which of the following messages is NOT used in T-LDP operation?

AHello message

BInit message

CKeepalive message

DLabel Mapping message

EACK message

Answer : E

Question 3

Fill in the blanks: A ________device has all interfaces inside the provider domain, and a _______ device has at least one interface outside the provider domain.

APE, P

BP, PE

CPE, CE

DCE, PE

ECE, P

Answer : B

Question 4

Click on the exhibit.

An LDP tunnel is established on router R1 towards router R6. The link between routers R2 and R4 goes down. What will happen to the MPLS data traffic to router R6 IMMEDIATELY after the link goes down?

AMPLS data traffic will be discarded until the IGP finds a new next-hop to router R3.

BMPLS data traffic will be discarded unless the LDP tunnel has a standby secondary path.

CMPLS data traffic will not be discarded because router R1 received labels from both next-hops, routers R2 and R3.

DMPLS data traffic will not be discarded because of fast reroute capability on router R2.

Answer : B

Question 5

Click on the exhibit.

A fully loose LSP "toR6" is configured. All links have the same cost and all routers are Alcatel-Lucent 7750 SRs. The LSP currently traverses the path R1-R2-R7-R8-R4-R6 and the resignal timer is enabled. Which of the following about this LSP is FALSE?

AThe LSP will switchover to another path if a failure occurs.

BThe LSP will switchover to a better path as soon as it is available.

CCSPF must be enabled for this LSP to attempt to find a better path.

DThe LSP will switchover to a better path in a MBB fashion.

Answer : B

Question 6

Click on the exhibit.

If the primary path fails, which backup LSP path will the head-end router pick first?

AThe Standby with the highest next-hop IP

BThe first Standby in the list.

CThe Standby with the longest uptime.

DThe Standby with the lowest next-hop IP

Answer : C

Question 7

Click on the exhibit.

The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?

AAll routers along the path, R1, R2, and R3 can be PLRs.

BIf the R1-R2 link fails, router R4 becomes an MP

CIf the R2-R3 link fails, router R3 becomes a PLR

DRouter R1 is the LSP head-end and can be a PLR

Answer : D

Nokia 4A0-103 Nokia Multiprotocol Label Switching Exam Practice Test