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Free Nokia 4A0-C04 Practice Exam with Questions & Answers | Set: 7

Questions 61

Which of the following about transport and service tunnels is FALSE?

Options:
A.

Service tunnels are unidirectional.

B.

Transport tunnels are unidirectional.

C.

A service will use the same service label for every hop.

D.

A local service requires a transport tunnel.

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Questions 62

Which of the following statements best describes the function of an OSPF Type 4 LSA?

Options:
A.

A Type 4 LSA is originated by an ABR to describe a route to an ASBR to routers outside the area.

B.

A Type 4 LSA is originated by an ASBR to describe a route to itself to routers outside the area.

C.

A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the backbone area to provide routing information.

D.

A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the stub area to provide routing information.

Questions 63

Which of the following describes 6PE?

Options:
A.

P routers run IPv4 only. PE routers run IPv4 only and exchange IPv6 routes using MP-BGP.

B.

P routers run IPv4 only. PE routers run both IPv4 and IPv6 and exchange IPv6 routes using MP-BGP.

C.

P routers run IPv6 only. PE routers run both IPv4 and IPv6 and exchange IPv4 routes using MP-BGP.

D.

P routers run IPv6 only. PE routers run IPv6 only and exchange IPv4 routes using MP-BGP.

Questions 64

Which of the following about label modes on the Nokia 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.

Questions 65

Click on the exhibit.

4A0-C04 Question 65

LSP 1's link between routers R3 and R6 has failed, and the RESV state at router R3 has timed out. Which of the following actions will router R3 initiate?

Options:
A.

Send a PathTear message towards router R6.

B.

Send a PathTear message towards router R1.

C.

Send a ResvTear message toward router R6.

D.

Send a ResvTear message toward router R1.

Questions 66

Which of the following statements regarding BGP shortcuts is FALSE?

Options:
A.

MPLS tunnels are used to carry transit traffic across the network.

B.

A full mesh of iBGP peering sessions is not required,

C.

Edge and transit routers need to be configured with BGP.

D.

The transit routers need to support LDP or RSVP-TE LSPs.

Questions 67

Click the exhibit.

4A0-C04 Question 67

An update travels from AS 137000 to AS 135000, traversing both 32-bit and 16-bit AS Paths.

What AS Path is seen by AS 200?

Options:
A.

140000 137000

B.

137000 140000

C.

23456 23456

D.

200 140000 137000

Questions 68

An OSPF adjacency is stuck in the exstart state. What is the most likely cause?

Options:
A.

The MTU does not match on both interfaces.

B.

OSPF is not enabled on one of the routers.

C.

The router ID is the same on both routers.

D.

An OSPF Hello has not been received from the neighbor.

E.

The interfaces are configured as point-to-point on one side and broadcast on the other.

Questions 69

Which of the following statements regarding route reflectors is TRUE?

Options:
A.

Route reflectors propagate BGP learned routes to their clients.

B.

Route reflectors require "n" iBGP sessions, where "n" is the number of BGP routers in the AS.

C.

Route reflectors disable iBGP split horizon for all iBGP peers in the AS.

D.

Route reflectors do not work in conjunction with confederations.

Questions 70

In an IP datagram, which field identifies the receiving application

Options:
A.

The protocol field of the transport layer header

B.

The port field of the transport layer header

C.

The protocol field of the network layer header

D.

The port field of the network layer address

Exam Code: 4A0-C04
Certification Provider: Nokia
Exam Name: Nokia NRS II Composite Exam: OSPF version
Last Update: Jul 13, 2025
Questions: 298

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