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Free Nokia 4A0-103 Practice Exam with Questions & Answers | Set: 3

Questions 21

An IS-IS TE enabled router has an interface on a 500Mbps link and it is configured with a 25% subscription. If this interface is not used by any LSPs. what value will be shown in the Reservable Bandwidth sub-TLV?

Options:
A.

125 Mbps

B.

500 Mbps

C.

625 Mbps

D.

2000 Mbps

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Questions 22

Click on the exhibit.

4A0-103 Question 22

An LSP traverses R1-R2-R4-R6 and one-to-one fast reroute with link protection is enabled. All links have the same cost. Which of the following about DMP and MP is TRUE?

Options:
A.

R3 and R5 become DMPs; R6 becomes MP.

B.

R3 and R5 become DMPs; R4 becomes MP.

C.

R3, R5, and R6 become DMPs; R4 becomes MP.

D.

R1, R3, and R5 becomes DMPs; R4 and R6 become MPs.

Questions 23

How does a DMP inform the downstream routers that it has merged detour tunnels?

Options:
A.

The DMP sends the DMP_Object in each detour's PATH messages.

B.

The DMP summarizes PATH messages, giving each detour its own MSGJD.

C.

The DMP identifies itself as the previous hop in each detour's PATH message.

D.

The DMP sends a single PATH message containing the merged DETOUR_Objects.

Questions 24

Which of the following is NOT an application of MPLS?

Options:
A.

Enabling VPNs

B.

Enabling traffic engineering

C.

Enabling network security

D.

Enhancing network resiliency

Questions 25

Click on the exhibit.

4A0-103 Question 25

Which of the following is FALSE?

Options:
A.

The router can reach prefix 192.10.1.2/32 through a RSVP-TE tunnel.

B.

The router can reach prefix 192.10.1.2/32 through an LDP tunnel.

C.

The router 10.10.10.2 is the egress router of the prefix 192.10.1.2/32.

D.

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

Questions 26

Which of the following about IS-IS Traffic Engineering on an Alcatel-Lucent 7750 SR is FALSE?

Options:
A.

Traffic engineering information is carried in the extended TLVs.

B.

Traffic engineering must be enabled on all IP/MPLS routers along the LSP path.

C.

Traffic engineering information is stored in the opaque database,

D.

Traffic engineering is required for constraint-based LSPs.

Questions 27

Initially, all ports on an Alcatel-Lucent 7750 SR have 10Gbps bandwidth. RSVP configuration limits reservable bandwidth to 30 percent on all interfaces. An LSP is signaled reserving 1 Gbps bandwidth. How much unreserved bandwidth is left on the interface?

Options:
A.

10 Gbps

B.

7 Gbps

C.

3 Gbps

D.

2 Gbps

Questions 28

Click on the exhibit.

4A0-103 Question 28

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

Options:
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.

Questions 29

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

Options:
A.

Hello message

B.

Init message

C.

Keepalive message

D.

Label Mapping message

E.

ACK message

Questions 30

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

Options:
A.

Conservative label retention

B.

Liberal label retention

C.

Downstream on demand

D.

Downstream unsolicited

Exam Code: 4A0-103
Certification Provider: Nokia
Exam Name: Alcatel-Lucent Multi Protocol Label Switching
Last Update: Mar 23, 2025
Questions: 249

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