Pass the Nokia SRC Certification 4A0-C01 Questions and answers with CertsForce

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Viewing questions 21-40 out of questions
Questions # 21:

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Question # 21

If router R2 re-distributes the IS-IS route 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 OSPF route in its routing table.


B.

Router R3 will install the IS-IS route in its routing table


C.

Router R3 will install an OSPF route and an IS-IS route in its routing table.


D.

There is not enough information to answer the question.


Questions # 22:

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Question # 22

Consider the output shown; what table is displayed?

Options:

A.

RIB


B.

FIB


C.

LIB


D.

LFIB


Questions # 23:

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Question # 23

Which router is the designated router for the broadcast network?

Options:

A.

10.10.10.2


B.

10.10.10.3


C.

10.10.10.6


D.

There is not enough information given to determine the designated router.


Questions # 24:

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Question # 24

Given the configuration below, which of the following scenarios is FALSE?

Options:

A.

Both the primary and secondary paths are explicitly defined.


B.

The primary path is active and the secondary path is in hot standby.


C.

The LSP defined will use the primary path and will signal the secondary path to become active if the primary path fails.


D.

The LSP has the same source and destination for both primary and secondary paths.


Questions # 25:

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Question # 25

OSPF is operational on all links in the network diagram, all routers are the same cost, and all routers are configured with an ECMP value of 4. Router R5 advertises the prefix 192.168.3.0/24 into OSPF.

How many entries for prefix 192.168.3.0/24 will be in router R3's routing table?

Options:

A.

0


B.

1


C.

2


D.

3


E.

4


Questions # 26:

Click on the exhibit button below. Assume the following:

Question # 26

- The protected path is R1-R2-R3-R6.

- Fast reroute one-to-one protection is enabled.

If the original LSP already has two labels, and router R2 has failed, how many labels will there be in packets on the detour path?

Options:

A.

1


B.

2


C.

3


D.

4


Questions # 27:

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Question # 27

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

Options:

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.


Questions # 28:

Which of the following statements regarding the last two octets of the LDP identifier is true?

Options:

A.

It is always a random 16-bit number.


B.

It is always zero for per-interface label space.


C.

It is always non-zero.


D.

It is always zero for per-platform label space.


E.

It is always non-zero for per-platform label space.


Questions # 29:

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Question # 29

Which fields in this output uniquely identify the RSVP session belonging to a single LSP? (Choose three)

Options:

A.

Tunnel ID


B.

Name


C.

LSP ID


D.

To


Questions # 30:

Which of the following is FALSE about the databases used by a link-state routing protocol in a single area routing domain?

Options:

A.

The link-state database has local topology information from all the routers.


B.

The adjacency database contains all the links between all the routers.


C.

The forwarding database contains the next hop for all known prefixes.


D.

The link-state database is the same for all routers.


Questions # 31:

Which of the following statements are true? Choose two answers

Options:

A.

Selected labels from the FIB are populated to the LIB.


B.

Selected labels from the LIB are populated to the LFIB.


C.

Selected routes from the RIB are populated to the FIB.


D.

Selected routes from the FIB are populated to the RIB.


E.

All labels from the LIB are populated to the LFIB.


Questions # 32:

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Question # 32

If the four LSPs shown use the shared-explicit reservation style, how much bandwidth does CSPF request across a single 1Gbps link?

Options:

A.

100Mbps


B.

200Mbps


C.

300Mpbs


D.

600Mbps


E.

700Mbps


Questions # 33:

Which of the following statements is true when the implicit null is implemented?

Options:

A.

The penultimate router will POP the top label from the packets.


B.

The eLER will receive packets with a top label value of 3.


C.

The eLER will receive packets with a top label value of 0.


D.

The penultimate router will always receive unlabeled packets.


E.

The penultimate router performs a double lookup on the packet.


Questions # 34:

Which of the following statements regarding the MPLS SWAP label operation is true?

Options:

A.

The inner label will be exchanged with the MPLS outer label.


B.

The inner label will be exchanged for a new label.


C.

The outer label will be exchanged for a new label.


D.

All labels will be exchanged for one new label.


E.

All labels will be exchanged for an equal number of new labels.


Questions # 35:

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Question # 35

OSPF is operational on all links in the network diagram, all links have the same cost and all routers are configured with an ECMP value of 4. Router R4 advertises the prefix 192.168.3.0/24 into OSPF.

How many entries for prefix 192.168.3.0/24 will be l n router R1's routing table?

Options:

A.

0


B.

1


C.

2


D.

3


E.

4


Questions # 36:

Which of the following is described by the following statement? An LSR propagates a label mapping only for a FEC for which it has a label mapping for the FEC next-hop.

Options:

A.

Independent control mode


B.

Ordered control mode


C.

Liberal label retention


D.

Conservative label retention


E.

Downstream on demand.


Questions # 37:

Click on the exhibit.

Question # 37

What type of OSPFv3 LSA is shown?

Options:

A.

Router LSA


B.

Network LSA


C.

Inter-Area Prefix LSA


D.

Link LSA


Questions # 38:

Which of the following are top level TLV types defined for OSPF-TE? Choose two answers.

Options:

A.

Router address


B.

Traffic engineering metric


C.

Maximum bandwidth


D.

Link


E.

Admin Group


Questions # 39:

If the destination IP address of a received unlabeled packet is successfully matched in the FIB, which of the following statements are true? Choose two answers.

Options:

A.

A PUSH label stack operation must be performed.


B.

The outgoing interface and next-hop address will be determined from the FIB.


C.

The packet can be forwarded as a labeled or unlabeled packet.


D.

A POP label stack operation may be performed.


Questions # 40:

Which of the following best describes the forwarding of a IPv6 packet that has a destination anycast address?

Options:

A.

It is sent to all nodes on the local link.


B.

It is sent to all nodes on the local network.


C.

It is sent to all nodes that have joined the anycast group.


D.

It is sent to the nearest node that is assigned the anycast address


E.

It is sent to all nodes that are assigned the anycast address.


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