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4A0-C01 Nokia NRS II Composite Exam Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Nokia 4A0-C01 Nokia NRS II Composite Exam certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 852 questions

Which of the following commands would be used to show the operational state of all IES services?

A.

show service id 5

B.

show service ies

C.

show service service-using ies

D.

show service id 5 base

How many service labels must be signaled to bring up a fully meshed VPLS service among four PE routers?

A.

1

B.

4

C.

6

D.

8

E.

12

F.

24

Click on the exhibit.

Under which condition might the peer entry with an LDP ID of 10.10.10.2:0 show the state "Nonexistent"?

A.

When the interface to the peer router is down.

B.

When router R1 has no route to the peer address 10.10.10.2.

C.

When LDP is not configured on the peer router's interface.

D.

When the targeted session is not configured.

Which of the following is NOT required when configuring an LSP with an admin group constraint on an Alcatel-Lucent 7750 SR?

A.

Enable traffic engineering on all routers along the LSP path.

B.

Enable CSPF on the head-end router.

C.

Configure a path definition on all routers along the LSP path.

D.

Enable MPLS and RSVP on all routers along the LSP path.

Which of the following about RSVP refresh reduction on a Alcatel-Lucent 7750 SR is FALSE?

A.

RSVP generates a summary refresh message for each LSP.

B.

Message-IDs replace individual refresh messages.

C.

An LSP state change causes the Message-ID to be incremented.

D.

RSVP refresh reduction is disabled by default.

Which of the following regarding MPLS label value assignment is FALSE?

A.

Label values may be dynamically assigned by LDP.

B.

Label values may be dynamically assigned by RSVP-TE.

C.

Label values may be reserved for special uses.

D.

Label values may be dynamically assigned by IGP.

Which of the following about Alcatel-Lucent 7750 SR command "oam Isp-trace prefix" is FALSE?

A.

The router performs a unidirectional LSP test.

B.

The router collects hop information along the tunnel's path.

C.

The router uses MPLS Echo Request packets that are IP-routed,

D.

The MPLS TTL values are incremented at each request.

Which of the following is NOT a characteristic of MPLS?

A.

It provides the ability to establish connection oriented paths over a connectionless IP network.

B.

It provides a mechanism to engineer network traffic patterns independently of IP routing tables.

C.

It will work over most physical layer protocols.

D.

It can use GRE tunnels to transport data from many different protocols over an IP network.

Which of the following best completes the sentence: "An Internet Enhanced Service is a_____________ service where the CE communicates with a ________________interface to send and receive traffic.

A.

distributed/virtual

B.

local/sub

C.

routed/Layer 3

D.

distributed/routed

E.

Layer 2/loopback

In a Layer 2 encapsulation, using Martini, what does the second (bottom) label represent?

A.

Tunnel Label

B.

VC Label

C.

Operational Control Word

D.

VPI

E.

VCI

Which of the following commands is used to create a new Epipe service?

A.

configure epipe service-id customer customer-id create

B.

configure service epipe service-id customer customer-id create

C.

configure epipe service-id create

D.

configure epipe service-id customer customer-id create

E.

configure epipe service service-id customer customer-id create

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

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.

Click on the exhibit.

All links have 1Gbps unreserved bandwidth initially and Shared Explicit reservation style is used. After the LSP's primary and standby secondary paths are signaled, how much unreserved bandwidth is left on the links?

A.

R1-R2 will have 300Mbps left and R2-R4 will have 400Mbps left.

B.

R1-R2 will have 400Mbps left and R2-R4 will have 400Mbps left.

C.

R1-R2 will have 600Mbps left and R2-R4 will have 600Mbps left.

D.

R1-R2 will have 300Mbps left and R2-R4 will have 600Mbps left.

Which of the following about an established LDP session is TRUE?

A.

It uses a UDP connection with an arbitrary port number.

B.

It uses a UDP connection with well-known port number 646.

C.

It uses a TCP connection with an arbitrary port number.

D.

It uses a TCP connection with well-known port number 646.

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

A.

Conservative label retention

B.

Liberal label retention

C.

Downstream on demand

D.

Downstream unsolicited

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