Trusted Nokia 4A0-103 Exam Dumps – Avoid Costly Exam Retakes

Question No: 1

MultipleChoice

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

Options

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

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

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

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

Question No: 2

MultipleChoice

Click on the exhibit.

An LSP path is established on router R1 toward router R6. If there is a problem on router R4, but the link between R2 and R4 remains up, which of the following will affect the failure detection time?

Options

AThe time router R2 takes to receive a PATH Error message from router R4.

BThe time router R2 takes to find out a number of RSVP Hello messages have been missed.

CThe time router R2 takes to send a PATH Tear message to the head-end router.

DThe time router R2 takes to receive a PATH message from router R4 after a PATH refresh interval.

Question No: 3

MultipleChoice

Click on the exhibit.

An LDP-over-RSVP tunnel is established between routers R1 and R6. There is a VPN service running between routers R1 and R6. Which of the following is TRUE?

Options

ARouter R3 swaps both the RSVP-TE LSP label and LDP transport label received with new labels.

BRouter R3 swaps the VPN service label received with a new label.

CRouter R3 uses the same RSVP-TE LSP label as the one received from router R2.

DRouter R3 uses the same LDP transport label as the one received from router R2.

Question No: 4

MultipleChoice

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?

Options

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.

Question No: 5

MultipleChoice

A targeted-LDP session may exist between directly connected or non-directly connected devices

Options

ATRUE

BFALSE

Question No: 6

MultipleChoice

Click on the exhibit.

The link between routers R4 and R6 are configured with an admin group "red". What happens when the LSP is first signaled?

Options

AThe LSP will go through the path R1-R2-R4-R6.

BThe LSP will go through the path R1-R3-R5-R6.

CThe LSP is down because router R1 detects that no path can meet its constraints.

DThe LSP is down because router R4 detects that no path can meet its constraints.

Question No: 7

MultipleChoice

Which option best is a characteristic of LDP Hello messages?

Options

AThey are multicast to the All Hosts address.

BThey are broadcast to the subnet broadcast address.

CThey are multicast to the All Routers address.

DThey are broadcast or multicast, depending on the physical media.

Question No: 8

MultipleChoice

Click on the exhibit.

LSP ' to R8-5 ' requests fast reroute protection. What could be done to remove the Failure Code shown?

Options

AThe LSP must be enabled with CSPF on the head-end router.

BFast reroute must be enabled on the downstream routers.

CA mixture of strict and loose hops must be defined in the primary path.

DCSPF and fast reroute must be enabled on all downstream routers.

Question No: 9

MultipleChoice

Click on the exhibit.

The LSP 'toR6' is configured with a fully strict path on an Alcatel-Lucent 7750 SR. Which of the following configurations is required to enable fast reroute for this LSP?

Options

AEnable fast-reroute on all routers along the path. R1, R2, R4, and R6.

BEnable both link-protection and node-protection on router R1.

CEnable fast-reroute with either one-to-one or facility mode on this LSP

DEnable link-protection only on router R4.

Free Nokia 4A0-103 Exam Dumps August 2026