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4A0-101 Nokia Alcatel-Lucent Interior Routing Protocols and High Availability Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Nokia 4A0-101 Alcatel-Lucent Interior Routing Protocols and High Availability 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 315 questions

Which LSA type is not found in point-to-point only OSPF networks?

A.

Type 1 Router LSA

B.

Type 2 Network LS A

C.

Type 3 Summary LSA

D.

Type 5 External LSA

Which of the following is FALSE regarding link-state protocols?

A.

Each router constructs its own link-state database with updates received from neighbors.

B.

When a router performs an SPF computation, it sends the results to its neighbors.

C.

An SPF computation is done by each router to determine the best path to destination prefixes

D.

The link-state database is identical for all routers in a single area routing domain.

Click on the exhibit.

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?

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

Click on the exhibit.

What type of OSPFv3 LSA is shown?

A.

Router LSA

B.

Network LSA

C.

Intra-Area Prefix LSA

D.

Link LSA

Click on the exhibit.

Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF as shown. Assume the OSPF and IS-IS adjacencies are operational.

How many OSPF Type 5 LSAs will router R1 receive from router R2?

A.

0

B.

1

C.

2

D.

3

E.

4

Click on the exhibit.

Router R1 distributes its globally routed address and its loopbacks into IS-IS. Routers R2 and R4 have their globally routed addresses in IS-IS.

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

A.

2

B.

3

C.

4

D.

5

E.

6

F.

7

Which field of an IPv6 header indicates an upper layer protocol carried in the packet?

A.

Next Header

B.

Traffic Class

C.

Flow Label

D.

Payload Length

E.

Options

Which of the following about IS-IS level hierarchies is FALSE?

A.

Level 2 routers interconnect the Level 1 areas.

B.

There must be a contiguous Level 2 backbone to enable routing throughout the entire network.

C.

Level 1 routers send packets to the nearest L1/L2 router if the destination is in a different area

D.

Level 2 routers store the Level 1 and Level 2 topology information in a single database.

Click on the exhibit.

Based on the topology shown and the route tables of routers R3 and R4, which of the following is correct?

A.

There is no route leaking configured on router R1 or router R2.

B.

Route leaking is configured on router R1 but not on router R2.

C.

Route leaking is configured on router R2 but not on router R1.

D.

Route leaking is configured on both router R1 and router R2.

Click on the exhibit.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. There are no stub or NSSA areas. Which of the following regarding LSAs is TRUE?

A.

Router R3 will advertise Type 7 LSAs to Area 0 and Area 2.

B.

Only routers R2 and R3 receive Type 5 LSAs advertised by router R1.

C.

Router R2 will receive Type 5 and Type 7 LSAs.

D.

Router R7 will receive Type 5 LSAs advertised by router R1.

Click on the exhibit.

The routers have an established IS-IS L2 adjacency on which IPv4 system addresses are exchanged. An operator successfully configures multi-topology IS-IS routing so that the IPv6 system addresses are also exchanged between routers.

After IPv6 has been configured, which of the following is TRUE?

A.

Router R2 has two IS-IS-adjacencies and two LSPs.

B.

Router R2 has two IS-IS-adjacencies and four LSPs.

C.

Router R2 has two IS-IS-adjacencies and three LSPs.

D.

Router R2 has four IS-IS-adjacencies and six LSPs.

Which of the following concerning OSPFv3 is TRUE?

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.

Which type of OSPF LSA has the following characteristics: It is flooded only within the area it originates from and can be originated by any OSPF router within the area (including non-DR routers).

A.

Type 1 Router LSA

B.

Type 2 Network LSA

C.

Type 3 Summary LSA

D.

Type 4 ASBR LSA

Click on the exhibit.

The OSPF adjacency between routers R1 and R3 does not come up.

Which of the following is a possible solution to the problem?

A.

Stub must be configured on Area 1 of router R1, and removed from Area 1 on router R3.

B.

Stub must be configured on Area 1 of router R1 and Area 1 of router R3.

C.

Stub must be configured on Area 0 of router R1 and Area 1 of router R3.

D.

Area 1 of router R3 should be Area 0, in order to connect via stub to router R1.

A new router is added to a broadcast network. What is used by IS-IS as the tie breaker for selecting the DIS if the priorities are the same?

A.

The router with the highest system ID.

B.

The router with the highest loopback address.

C.

The Hello packet with the highest sequence number.

D.

The existing DIS remains the DIS.

E.

The router with the highest interface MAC address.

Click on the exhibit.

Given the output shown, which router is the ASBR in this network?

A.

10.10.10.2

B.

10.10.10.3

C.

10.10.10.4

D.

10.10.10.6

E.

There is no ASBR configured in the network.

Which of the following about 6over4 is FALSE?

A.

The CE routers run only IPv6.

B.

The PE routers must run IPv4 and IPv6.

C.

The P routers must run IPv4 and IPv6.

D.

IPv6 routes on the PE routers may have an IPv4 address as the next hop.

What is the default preference value for a static route in the Alcatel-Lucent 7750 SR?

A.

0

B.

5

C.

10

D.

15

What value should the AFI be set to for locally administered addressing?

A.

1

B.

49

C.

47

D.

45

E.

39

Click the exhibit button.

Which of the following would correctly configure routers R2, R3, and R4?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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