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4A0-C01 Practice Questions

Nokia NRS II Composite Exam

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Total Questions : 852

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Question # 21

Which OSPFv3 LSA advertises the location of an ASBR?

Options:

A.  

Intra-Area Prefix LSA

B.  

Inter-Area Prefix LSA

C.  

Inter-Area Router LSA

D.  

AS External LSA

Discussion 0
Question # 22

Which of the following are functions of the MPLS control plane in a router? (Choose two)

Options:

A.  

Label allocation and management.

B.  

Label swapping.

C.  

Pushing a label on an unlabeled packet.

D.  

Label signaling.

E.  

Routing lookups.

Discussion 0
Question # 23

How does an IS-IS router acknowledge the receipt of an IS-IS LSP on a point-to-point link?

Options:

A.  

They are explicitly acknowledged by sending a CSNP to the sender identifying the LSP.

B.  

They are implicitly acknowledged as a part of the link-state database synchronization and maintenance procedures.

C.  

They are explicitly acknowledged by sending a PSNP to the sender identifying the LSP.

D.  

They are implicitly acknowledged by the DIS multicast of CSNPs.

Discussion 0
Question # 24

Click on the exhibit button below:

Question # 24

Consider the following:

- Router R2 is an ABR in OSPF Areas 0 and 1.

- Router R2 advertises the aggregate prefix 10.10.10.0/24 into Area 1.

- Router R1 in Area 0 generates LDP labels for FECs 10.10.102/31 and 10.10.10.4/31

Router R3 in Area 1 places these FECs in its LIB, but it does not place them in its LFI

B.  

What can you do on router R3 to make it populate these labels in its LFIB?

Options:

A.  

Disable route summarization on router R3

B.  

Enable LDP aggregate prefix match

C.  

Create an import policy to accept these FECs

D.  

Disable LDP exact match on the specified FECs

Discussion 0
Question # 25

Click on the exhibit.

Question # 25

What type of OSPFv3 LSA is shown?

Options:

A.  

Router LSA

B.  

Network LSA

C.  

Intra-Area Prefix LSA

D.  

Link LSA

Discussion 0
Question # 26

Which of the following statements regarding admin groups is FALSE?

Options:

A.  

Admin groups can be configured using the command "configure>router>mpls>admin-group".

B.  

CSPF uses the information defined by admin groups when paths are computed for constraint-based LSPs.

C.  

By default, interfaces for which MPLS has been enabled are in the default admin group.

D.  

A LSP can make use of admin groups for constraint-based path calculations by including or excluding the admin group

Discussion 0
Question # 27

Which of the following is a difference between IS-IS and OSPF?

Options:

A.  

IS-IS supports VLSM and CIDR.

B.  

IS-IS uses OSI addressing.

C.  

IS-IS supports manual summarization

D.  

IS-IS uses periodic Hello messages.

Discussion 0
Question # 28

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

Discussion 0
Question # 29

Click on the exhibit button below.

Question # 29

Consider the output shown; why is the label in bold font not in use?

Options:

A.  

The router cannot do a SWAP of this label.

B.  

The label does not match the egress label for the same FE

C.  

C.  

The label is for a FEC for which the next-hop is the peer router

D.  

The label was signaled in error.

Discussion 0
Question # 30

Which of the following regarding the IS-IS PSNP is FALSE?

Options:

A.  

PSNPs are used on point-to-point links to acknowledge the receipt of an LSP.

B.  

There are three types of PSNPs: Level 1, Level 2, and Level 1/2.

C.  

A PSNP lists some of the LSPs in the router's database.

D.  

PSNPs are used by an IS-IS router to request LSP information from a neighboring router.

Discussion 0
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