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Nokia NRS II Composite Exam: OSPF version

Last Update 15 hours ago Total Questions : 298

The Nokia NRS II Composite Exam: OSPF version content is now fully updated, with all current exam questions added 15 hours ago. Deciding to include 4A0-C04 practice exam questions in your study plan goes far beyond basic test preparation.

You'll find that our 4A0-C04 exam questions frequently feature detailed scenarios and practical problem-solving exercises that directly mirror industry challenges. Engaging with these 4A0-C04 sample sets allows you to effectively manage your time and pace yourself, giving you the ability to finish any Nokia NRS II Composite Exam: OSPF version practice test comfortably within the allotted time.

Question # 21

An operator configures an Nokia 7750 SR with a loopback interface and IPv6 address. The operator then configures a routing policy to redistribute the loopback prefix into OSPFv3. What type of LSA is used to advertise the route to other OSPFv3 routers in the same area?

A.

Router LSA

B.

AS External LSA

C.

Intra-Area Prefix LSA

D.

Inter-Area Prefix LSA

E.

Network LSA

F.

None of the statements are correct.

Question # 22

Which of the following regarding the withdrawal of routes from one BGP speaker to another is

TRUE?

A.

An update message is used. Only a single prefix can be withdrawn at a time.

B.

An update message is used. Multiple prefixes can be withdrawn at a time.

C.

A withdraw message is used. Only a single prefix can be withdrawn at a time.

D.

A withdraw message is used. Multiple prefixes can be withdrawn at a time.

Question # 23

Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-point link?

A.

IP packets sent to an IP multicast address.

B.

TCP packets sent to an IP multicast address.

C.

IP packets sent to an IP unicast address.

D.

UDP packets sent to an IP multicast address.

Question # 24

Which of the following about LDP sessions is TRUE?

A.

Frame mode requires multiple sessions between peers.

B.

The lower transport address initiates the session.

C.

Established LDP sessions run over a TCP connection.

D.

An LDP session is established immediately after Init messages are exchanged between peers.

Question # 25

What happens by default on an Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

A.

The original VLAN tag is removed.

B.

The original VLAN tag is kept.

C.

The VLAN tag is replaced by a provider tag.

D.

The VLAN tag is kept and a provider tag is added.

Question # 26

In an OSPF environment, what must a router receive after it sends out an update?

A.

The router must receive an acknowledgment

B.

The router must receive a Hello

C.

The router must receive a new sequence number

D.

The router must receive a Link State Packet

Question # 27

Which of the following about an ERO in an RSVP PATH message is FALSE?

A.

ERO is used by downstream routers to determine the next-hop for the LSP.

B.

ERO contains label information used to signal an LSP path.

C.

ERO is not always present in the PATH message.

D.

Each downstream router updates information inside the ERO.

Question # 28

Which of the following prefix lists include prefixes 192.168.128.0/17 and 192.168.64.0/18?

A.

Prefix list 192.168.0.0/16 through 18.

B.

Prefix 192.168.0.0/17 longer.

C.

Prefix list 192.168.0.0/17 through 18.

D.

Prefix 192.160.0.0/13 longer.

Question # 29

If an Nokia 7750 SR is an iLER operating in pipe mode, which of the following regarding the TC field (EXP bits) is TRUE?

A.

The TC field is set based on the value of the DSCP field inside the customer packet.

B.

The TC field is set to a specific value via explicit administrative configuration.

C.

The TC field is set to a system generated random number.

D.

The TC field is set by the eLER.

Question # 30

Click the exhibit.

Given the following configuration of router R1, what can be said about the function of each of AS 65540s routers?

A.

Routers R1 and R2 are redundant route reflectors with clients R3 and R4.

B.

Routers R3 and R4 are route reflectors with clients R1 and R2.

C.

Router R1 is a route reflector with clients R2, R3 and R4.

D.

Router R1 is a route reflector with clients R3 and R4.

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  • Last Update: May 6, 2026
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  • Single Choice: 275 Q&A's
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