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4A0-C01 Practice Questions

Nokia NRS II Composite Exam

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Question # 51

Click the exhibit button.

Question # 51

In the IS-IS network shown, router R1 has been configured to summarize network 20.20.1.0/24 and 20.20.2.0/24 as 20.20.0.0/16. Which router's routing table will be reduced compared to the routing table before the summarization?

Options:

A.  

Router R1

B.  

Router R2

C.  

Routers R1 and R2

D.  

Router R4

Discussion 0
Question # 52

Click the exhibit button.

Question # 52

In the topology shown, router R1 is an ASBR configured to export external routes to OSP

F.  

How many type 4 LSAs will be present in the network?

Options:

A.  

One.

B.  

One for each of the routers in area 0

C.  

One for each of the external routes exported by router R1.

D.  

Type 4 LSAs are not generated in this network topology.

Discussion 0
Question # 53

Click the exhibit button.

Question # 53

Question # 53

The OSPF adjacency between routers R3 and R1 is down. What is the problem?

Options:

A.  

Area 1 of router R1 should not be configured as a stub.

B.  

Router R3 has the incorrect authentication key type.

C.  

Router R1 has the incorrect authentication key type.

D.  

There is not enough information to tell.

Discussion 0
Question # 54

Which of the following statements regarding area border routers in an OSPF network is true?

Options:

A.  

The term backbone router has the same definition as the term area border router.

B.  

An OSPF network needs at least one area border router to function.

C.  

Area border routers connect the backbone area to other areas in an OSPF network.

D.  

By definition, an area border router must perform route summarization between areas.

Discussion 0
Question # 55

A router sets the E bit in the flags of its Type 1 LS

A.  

What does this indicate?

Options:

A.  

The router is an ABR.

B.  

The router is an ASBR.

C.  

The router is at the end of a virtual link.

D.  

The router's interface is in a stub area.

Discussion 0
Question # 56

Which of the following best describes how IS-IS routers exchange updates on an Ethernet interface?

Options:

A.  

IS-IS routers exchange updates by sending UDP packets to a multicast address.

B.  

IS-IS routers exchange updates using IP multicast packets.

C.  

IS-IS routers exchange updates using Ethernet multicast packets.

D.  

IS-IS routers exchange updates by sending packets to the subnet broadcast address.

Discussion 0
Question # 57

Which three IS-IS PDU types are used for database synchronization?

Options:

A.  

Hellos, CSNPs, PSNPs

B.  

LSPs. Hellos, CSNPs

C.  

LSPs, PSNPs, Hellos

D.  

LSPs, CSNPs, PSNPs

Discussion 0
Question # 58

Click the exhibit button.

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

Options:

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 P

C.  

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 P

C.  

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 P

C.  

Discussion 0
Question # 59

Which of the following types of network topologies are supported by IS-IS on the Alcatel-Lucent 7750 SR? Choose two answers.

Options:

A.  

Non-broadcast

B.  

Broadcast

C.  

Point-to-multipoint

D.  

Point-to-point

Discussion 0
Question # 60

Click the exhibit button.

Question # 60

Routers R1 „ R2, and R3 are running a classful routing protocol between them. Assuming that router R1 advertises all directly connected networks, how will these networks be represented in router R3's routing table?

Options:

A.  

Router R3's routing table can only contain one of the routes, which will result in route flapping.

B.  

Router R3's routing table will have one entry for 10.1.1.0/24 and one entry for 10.1.2.0/24.

C.  

The networks will be represented with one entry of 10.0.0.0/8 in router R3's routing table.

D.  

The networks will be represented with one entry of 10.0.0.0/24 in router R3's route table.

Discussion 0
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