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Free Nokia 4A0-C01 Practice Exam with Questions & Answers | Set: 5

Questions 81

Which OSPFv3 LSA advertises an ASBR?

Options:
A.

AS Summary

B.

Inter-Area Network

C.

Inter-Area Router

D.

Intra-Area Prefix

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Questions 82

Which of the following conditions must a router meet for an LSP path's RSVP session to exist? Choose two answers

Options:
A.

The router must build the Path State Block (PSB).

B.

The router must build the Reservation State Block (RSB).

C.

The router must build the Session State Block (SSB)

D.

The router must send the second RESV refresh message.

E.

The router must receive the second PATH refresh message.

Questions 83

If routers R1 and R2 have a Level 1 and Level 2 IS-IS adjacency, which of the following statements are true? Choose two answers.

Options:
A.

Routers R1 and R2 are in different areas,

B.

Routers R1 and R2 are in the same area.

C.

Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is point-to-point.

D.

Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is broadcast.

E.

Routers R1 and R2 will send a Level 1/2 Hello PDU, if the interface type between them is broadcast.

Questions 84

Which of the following statements regarding OSPF routing updates on a point-to-point link is true?

Options:
A.

On a point-to-point link, there is no need for a DR and BDR election; all routing updates are sent to 224.0.0.5.

B.

On a point-to-point link, a DR and BDR are elected. The DR sends link-state advertisements describing the network.

C.

On a point-to-point link, a DR and BDR are elected. To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.

D.

On a point-to-point link, there is no need for a DR and BDR election. All routing updates are sent to the unicast address of the neighbor's interface.

Questions 85

Click on the exhibit.

4A0-C01 Question 85

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding Type 5 LSA generation is TRUE?

Options:
A.

Router R1 generates a Type 5 LSA that is flooded to area 1 only.

B.

Router R1 generates a Type 5 LSA that is flooded to areas 1 and 0. Router R6 generates a Type 5 LSA that is flooded to area 2.

C.

Router R1 generates a Type 5 LSA that is flooded to areas 0.1, and 2.

D.

Router R3 generates a Type 5 LSA that is flooded to areas 0 and 2

E.

Type 5 LSAs are not generated in this network topology.

Questions 86

Which of the following concerning OSPFv3 is TRUE?

Options:
A.

OSPFv3 uses MD5 Authentication.

B.

Router LSAs carry IPv6 prefix information.

C.

NSSA is supported in OSPFv3.

D.

OSPFv3 uses a 64-bit router ID.

Questions 87

Click on the exhibit.

4A0-C01 Question 87

Router R2 has a directly connected interface to network 192.168.3.0/24 that is included in IS-IS.

If router R4 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24. Assume that all IS-IS routers are L1/L2 capable and are in the same area.

Which of the following is TRUE?

Options:
A.

Router R3 will install the IS-IS route in it's routing table.

B.

Router R3 will install the OSPF route in it's routing table.

C.

Router R3 will install an OSPF route and an IS-IS route in it's route table.

D.

There is not enough information to answer the question.

Questions 88

Two IS-IS routers are exchanging Hello packets with different authentication types. Which of the following is TRUE?

Options:
A.

Different authentication types are not possible because IS-IS only supports password authentication.

B.

An adjacency will not be formed.

C.

The two routers negotiate the authentication type and then reach the up state.

D.

Only an L2 adjacency will form, as long as both routers are L2 capable.

Questions 89

Click on the exhibit.

4A0-C01 Question 89

A service provider is deploying a 6 over 4 tunnel to connect a customer's corporate IPv6 network to all devices at the branch office as shown in the exhibit.

Which command is used to create the route to the branch office network on PE1?

Options:
A.

Configure router static-route 2001:DB8:1:201::/64 indirect 10.10.10.4

B.

Configure router static-route 2001:DB8:1:201:764 indirect 2001:DB8:1:200::2

C.

Configure router static-route 2001:DB8:1:200::/56 indirect 10.10.10.4

D.

Configure router static-route 2001:DB8:1:200:756 indirect 2001:DB8:1:200::2

Questions 90

Which of the following is a characteristic of OSPFv2 that was NOT preserved in OSPFv3?

Options:
A.

LSA flooding mechanism.

B.

Totally stubby areas.

C.

MD5 authentication.

D.

DR and BDR election.

Questions 91

Click on the exhibit button below.

4A0-C01 Question 91

Given the configuration shown, how much of a link's 100Mbps reservable bandwidth can an LSP access when configured for class-type 0 and priority 1?

Options:
A.

10Mbps

B.

20Mbps

C.

30Mpbs

D.

60Mbps

E.

70Mbps

Questions 92

Click on the exhibit.

4A0-C01 Question 92

Router R1 distributes its loopbacks into IS-IS and globally routed addresses are configured as shown.

How many routes will router R4 have in its IPv6 route table?

Options:
A.

1

B.

2

C.

3

D.

4

E.

6

F.

7

Questions 93

Click on the exhibit.

4A0-C01 Question 93

All ports in the network are operationally up and have a speed of 1Gbps.

Which of the following is TRUE?

Options:
A.

Data traffic from network 192.168.1.0/24 to 192.168.3.0/24 will be forwarded through router R2.

B.

Data traffic from network 192.168.3.0/24 to 192.168.1.0/24 will be forwarded through router R2.

C.

The system interface of routers R1 and R3 must be included into OSPF for traffic to flow between the 192.168.1.0/24 and 192.168.3.0/24 networks.

D.

The OSPF adjacency between router R1 and router R3 is operationally down.

Questions 94

What event causes an OSPF adjacency to change from 'down' to 'two way'?

Options:
A.

The router receives a link-state update in response to a link-state request.

B.

The router receives a Hello packet from its neighbor that contains its own router ID in the neighbor list.

C.

The router receives a database description packet from its neighbor.

D.

The router receives a link-state acknowledgement in response to a link-state update

Questions 95

Which of the following LDP messages are used in the successful establishment of LDP sessions? Choose three answers

Options:
A.

Label request message

B.

Notification message

C.

Address message

D.

Keepalive message

E.

Initialization message

F.

Hello message

Questions 96

Which part of the NSAP address is used to indicate to the end system that a packet is to be processed by the router itself?

Options:
A.

AFI

B.

IDI

C.

HO-DSP

D.

NSEL

Questions 97

What is the primary purpose of variable length subnet masks (VLSM)?

Options:
A.

To reduce the size of each routing update.

B.

To allow interoperability between routing protocols.

C.

To allow different subnet masks for different subnets.

D.

To reduce the size of the routing table.

Questions 98

Which of the following devices receives labeled packets from the MPLS domain, removes the MPLS header, and forwards unlabeled packets outside the MPLS domain?

Options:
A.

P router

B.

LSR

C.

eLER

D.

iLER

Questions 99

Click on the exhibit.

4A0-C01 Question 99

The numbers beside the links are the metrics for that link.

Given the diagram, what path will traffic follow from router R2 to router R8, and from router R8 to router R2, if IS-IS is the routing protocol?

Options:
A.

Router R2 to router R8 will follow (R2-R3-R5-R7-R8). Router R8 to R2 will follow (R8-R7-R5-R3-R2)

B.

Router R2 to router R8 will follow (R2-R3-R4-R6-R7-R8). Router R8 to R2 will follow (R8-R7-R6-R4-R3-R2)

C.

Router R2 to router R8 will follow (R2-R3-R5-R7-R8). Router R8 to R2 will follow (R8-R7-R6-R4-R3-R2)

D.

Router R2 to router R8 will follow (R2-R3-R4-R6-R7-R8) Router R8 to R2 will follow (R8-R7-R5-R3-R2)

Questions 100

Two IS-IS L1/L2 routers are in the same area on the same Ethernet segment. One of the routers is the DIS. How many adjacencies will be formed between them?

Options:
A.

None

B.

1

C.

2

D.

3

E.

4

Exam Code: 4A0-C01
Certification Provider: Nokia
Exam Name: Nokia NRS II Composite Exam
Last Update: Oct 14, 2025
Questions: 852

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