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

Questions 31

Which of the following about label modes on the Alcatel-Lucent 7750 SR is FALSE?

Options:
A.

RSVP uses downstream on demand label distribution mode.

B.

LDP uses conservative label retention mode.

C.

LDP advertises label mappings to all peers for which it might be a next-hop for a given FEC.

D.

RSVP distributes a label mapping for a FEC when it has been requested to do so.

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Questions 32

Click on the exhibit.

4A0-103 Question 32

Which of the following is FALSE?

Options:
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.

Questions 33

Which of the following fields does NOT appear in the MPLS label header?

Options:
A.

Label

B.

Frame check sequence

C.

Traffic Class (previously called Experimental)

D.

Time To live

E.

Bottom of stack bit

Questions 34

Which of the following regarding per-platform label space is TRUE?

Options:
A.

A separate label is used for each interface on which the FEC is advertised.

B.

A single label is assigned to a FEC for all interfaces on the same router,

C.

It is typically used when the device has ATM or Frame Relay interfaces.

D.

It uses more label resources than a per-interface label space.

Questions 35

Which of the following about LSP path configuration on an Alcatel-Lucent 7750 SR is TRUE?

Options:
A.

The path must include at least one hop.

B.

The path may be used for multiple LSPs.

C.

The path may be used multiple times in a single LSP.

D.

The path must define a tunnel destination IP address.

Questions 36

Consider a device that uses per-platform label space; which of the following fields is NOT contained in the LFIB?

Options:
A.

Incoming label

B.

Outgoing label

C.

Incoming interface

D.

Outgoing interface

Questions 37

Which of the following about Fast Reroute link protection tunnels is FALSE?

Options:
A.

Link protection tunnels are established if a router is unable to establish node protection tunnels.

B.

Link protection tunnels are only requested for a primary LSP path.

C.

Link protection tunnels can be created for both one-to-one or facility Fast Reroute.

D.

Link protection tunnels detour around a failed next downstream router.

Questions 38

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

Options:
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.

Questions 39

What MPLS function should be performed by a router that receives a data packet containing an MPLS label value of 3?

Options:
A.

A router will never receive a packet containing this label value.

B.

Request a new label from the peer that provided this label.

C.

Pop the label.

D.

PUSH an additional label onto the label stack.

E.

Signal a new label to the peer that sent the packet.

Questions 40

Which of the following are top level TLV types defined for OSPF-TE? Choose two answers.

Options:
A.

Router address

B.

Traffic engineering metric

C.

Maximum bandwidth

D.

Link

E.

Admin Group

Exam Code: 4A0-103
Certification Provider: Nokia
Exam Name: Alcatel-Lucent Multi Protocol Label Switching
Last Update: Mar 27, 2025
Questions: 249