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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

Refer to the exhibit below. IS-IS IPv6 routing is configured in the network with globally routed addresses as shown. How many routes will R4 have in its IPv6 route table?

A.

1

B.

2

C.

3

D.

4

E.

6

F.

7

Click the exhibit button.

Router 2 advertises the network 192.168.3.0/24 to router R1 via IS-IS.

How can router R1 ensure that it discards the route?

A.

Use a prefix list on router R1 to discard all ingress IS-IS routes.

B.

Use an export policy and prefix list on router R1.

C.

Use an import policy and a prefix list on router R1.

D.

This is not possible because IS-IS cannot use import policies.

The exhibit shows a route to 2001:DB8:1:200::/56 in the IPv6 route table. How did the route get into the route table?

A.

Configure router ipv6 static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3

B.

Configure router ipv6 static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3-toR2

C.

Configure router static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3

D.

Configure router static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3-toR2

E.

The route was learned through a dynamic routing protocol.

Which of the statements about the output in the exhibit is FALSE?

A.

The system interface is configured with IPv6 address 2001DB8 1:100:1/128

B.

All interfaces are configured for IPv4 and IPv6.

C.

Interface "toR2" is configured with a globally routed IPv6 address.

D.

Interface "toR3" is not configured for IPv6 with a global IPv6 address.

Click the exhibit button.

Router R2 advertises the network 192.168.3.0/24 to router R1 via RIP.

How can router R1 ensure that it discards the route?

A.

Use an import policy and a prefix list on router R1 to reject this route.

B.

Use a prefix list on router R1 to discard all ingress IS-IS routes.

C.

Use an export policy and prefix list on router R1 to reject this route.

D.

This is not possible because RIP cannot use import policies.

On which type of IS-IS router is summarization most likely to be configured?

A.

L1 routers

B.

L2 routers

C.

L1/L2 routers

D.

L1 and L2 routers

How are LSPs acknowledged on IS-IS broadcast links?

A.

The LSP is acknowledged by sending a PSNP PDU.

B.

The LSP is acknowledged by sending an LSP PDU.

C.

The LSP is acknowledged by sending a Hello PDU.

D.

LSP are not acknowledged on broadcast links. The DIS sends periodic CSNPs to maintain database synchronization

Which of the following is not one of the MT topologies defined for IS-IS?

A.

IPv4 In-Band Management

B.

IPv6 Routing

C.

IPv4 Multicast Routing

D.

IPv6 Multicast Routing

E.

All of the above are MT topologies defined for IS-IS.

Which of the following LSA types stay within an OSPF area, and are not flooded outside of the area? Choose two answers.

A.

Router LSA

B.

Network LSA

C Summary network LSA

C.

Summary router LSA

D.

Type 5 (AS external) LSAs

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.

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.

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

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.

Click the exhibit button.

Which of the following statements best describes the format of data traffic sent from the PC to the server?

A.

The source IP address will be the address of the PC, and the destination IP address will be the system IP address of router R1; the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.

B.

The source IP address will be the address of the PC, and the destination IP address will be the IP address of the router R1 port connected to the PC, the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.

C.

The source IP address will be the address of the PC, and the destination IP address will be the IP address of the server, the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the server.

D.

The source IP address will be the address of the PC, and the destination IP address will be the IP address of the server; the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.

Which one of the following is a valid IPv6 multicast address?

A.

ff00::1:2

B.

fe80::216:4dff:fe13:5cae

C.

::ffff:0:0.240.0.0.1

D.

2001:db8::30a:216:4dff:fe13:5cae

E.

fd01:2234:5678::1

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?

A.

AFI

B.

IDI

C.

HO-DSP

D.

NSEL

Which of the following statements are true? Choose two answers.

A.

Route redistribution is only needed if Internet access is a requirement.

B.

Route filtering is the process of attaching data path filters to router interfaces.

C.

Route filtering involves deciding whether to permit or deny certain routing updates from being accepted into, or distributed out of, the route-selection process.

D.

Redistribution is needed for exchanging routes from one routing protocol to another.

E.

OSPF routers that are redistributing routes must be configured as ABRs.

Which of the statements below best describes the operation of the IPv6 anycast address?

A.

A packet with a destination anycast address is sent to all nodes on the local link.

B.

A packet with a destination anycast address is sent to all nodes on the local network.

C.

A packet with a destination anycast address is sent to all nodes that have joined the anycast group.

D.

A packet with a destination anycast address is sent to the nearest node that is assigned the anycast address

E.

A packet with a destination anycast address is sent to all nodes that are assigned the anycast address.

Click the exhibit button.

If router R2 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. What will be the preference of these two routes? Assume that all IS-IS routers are L1/L2 capable and are in the same area. Choose two answers.

A.

The OSPF internal preference

B.

The IS-IS Level 1 internal preference

C.

The IS-IS Level 2 internal preference

D.

The OSPF external preference

E.

The IS-IS Level 2 external preference

F.

The IS-IS Level 1 external preference

Which of the following statements concerning OSPFv3 is false?

A.

MD5 Authentication is not supported.

B.

Router LSAs do not carry IPv6 prefix information

C.

NSSA is not supported in OSPFv3.

D.

OSPFv3 uses a 32-bit router ID.

Which of the following statements regarding link state protocols are true? (Choose two)

A.

When a router receives updates from its neighbors, it adds them to its link state database, performs an SPF computation, and sends the results to its neighbors.

B.

An SPF computation is done by each router to determine the best path to destination networks. All the best paths determined by the SPF calculation will be seen in the route table.

C.

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

D.

An SPF computation is done by each router to determine the best path to destination networks. All the best paths determined by the SPF calculation will be offered to the route table manager.

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

A.

1

B.

49

C.

83

D.

0

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