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Nokia 4A0-C01 - Nokia NRS II Composite Exam

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Page: 12 / 13
Total 852 questions

Click on the exhibit.

If the primary path fails, which backup LSP path will the head-end router pick first?

A.

The Standby with the highest next-hop IP.

B.

The first Standby in the list.

C.

The Standby with the longest uptime.

D.

The Standby with the lowest next-hop IP.

Which of the following about RSVP-TE LSP configuration in a Alcatel-Lucent 7750 SR is TRUE?

A.

LSPs must always terminate on a system ID.

B.

MPLS and RSVP must be enabled on all LSRs.

C.

CSPF must be enabled.

D.

Path definitions must include at least one hop entry.

Click on the exhibit.

This LSP terminates on a system IP address. What is the system address of the destination node?

A.

10.32.1.2

B.

10.1.4.78

C.

10.48.1.1

D.

10.1.2.2

Click on the exhibit.

An LDP-over-RSVP tunnel is established between routers R1 and R6. There is a VPN service running between routers R1 and R6. Which of the following is TRUE?

A.

Router R4 swaps both the RSVP-TE LSP label and LDP transport label received with new labels,

B.

Router R4 swaps the VPN service label received with a new label.

C.

Router R4 uses the same RSVP-TE LSP label as the one received from router R3.

D.

Router R4 uses the same LDP transport label as the one received from router R3.

3 Epipe services and 2 VPLS services have been configured between two PE routers. How many service labels will be signaled in total?

A.

2

B.

3

C.

4

D.

5

E.

6

F.

10

Which of the following statements is TRUE concerning route distinguishes on the 7750 SR?

A.

Route distinguishes are 12 bytes in length

B.

Route distinguishes are appended to IPv4 prefixes to form 16 byte VPN-IFV1 prefixes.

C.

Route distinguishes are used to determine which routes a VPRN should import.

D.

CE routes must be configured with the proper route distinguishes for the VPRN they are associated to

E.

All of the above statements are true.

F.

All of the above statements are false.

Port 1/1/1 has been configured as an access port with encapsulation dot1q on an Alcatel-Lucent 7750 SR. Which of the following statements are TRUE? (Choose 2)

A.

The SAP 1/1/1 will forward all traffic transparently.

B.

The SAP 1/1/1:0.* will forward all untagged traffic and traffic tagged with VLAN 0.

C.

The SAP 1/1/1:* will forward untagged traffic but not tagged traffic.

D.

TheSAP1/1/1:400 will forward customer traffic tagged with VLAN 400

E.

The SAP 1/1/1:0 will forward untagged traffic and traffic tagged with VLAN 0

Which of the following commands would be used to show the operational state of all IES services?

A.

show service id 5

B.

show service ies

C.

show service service-using ies

D.

show service id 5 base

Which of the following statements are TRUE regarding sdp-ping? (Choose 3)

A.

Provides a mechanism to determine the hops an SDP traverses.

B.

Provides in-band uni-directional connectivity tests.

C.

Provides in-band round-trip connectivity tests.

D.

Tests ability of reaching the far-end IP address of an SDP ID within the SDP encapsulation.

E.

Provides information regarding the exact MTU supported between service ingress and service termination.

Which of the following about MPLS fast reroute is TRUE?

A.

Fast reroute is used when redundant links are not available.

B.

Fast reroute provides path protection close to the failure point.

C.

Fast reroute provides fast failure detection to the head-end router.

D.

Fast reroute protects both primary and secondary paths.

What action does a router perform when it looks up the label of an incoming packet in its LFIB and sees that the LFIB maps to an egress label of 3?

A.

It requests a new label from the peer that provided this label.

B.

It pops the label.

C.

It pushes an additional label onto the label stack.

D.

It signals a new label to the peer that sent the packet.

Which of the following about configuring an LSP path definition on an Alcatel-Lucent 7750 SR is FALSE?

A.

A path definition can have both loose and strict hops.

B.

A path definition can be configured with loose hops only.

C.

A path definition is configured on the head-end router only,

D.

A path definition is not required if CSPF is enabled on an LSP.

Which of the following about RSVP refresh reduction on a Alcatel-Lucent 7750 SR is FALSE?

A.

RSVP generates a summary refresh message for each LSP.

B.

Message-IDs replace individual refresh messages.

C.

An LSP state change causes the Message-ID to be incremented.

D.

RSVP refresh reduction is disabled by default.

When configuring an IES spoke termination to a VPLS, what must be explicitly configured in order for the service to come up? (Choose 2)

A.

MTU must match on both services,

B.

Mesh-SDP with matching vc-id configured,

C.

Spoke-SDP with matching vc-id configured.

D.

Spoke-SDP.

Which of the following about LSPs is FALSE?

A.

IGP-based LSPs are calculated based on information contained in routing tables.

B.

Constraint-based LSPs are calculated using the head-end router's TED.

C.

Constraint-based LSPs must use RSVP-TE signaling.

D.

IGP-based LSPs must use LDP signaling.

Click on the exhibit.

An LSP traverses R1-R2-R4-R6 and one-to-one fast reroute with link protection is enabled. All links have the same cost. Which of the following about DMP and MP is TRUE?

A.

R3 and R5 become DMPs; R6 becomes MP.

B.

R3 and R5 become DMPs; R4 becomes MP.

C.

R3, R5, and R6 become DMPs; R4 becomes MP.

D.

R1, R3, and R5 becomes DMPs; R4 and R6 become MPs.

Which of the following best describes how the path-mlu is chosen for an SDP?

A.

An SDP does not have a path-mtu

B.

The path-mtu must be set by the administrator.

C.

By default, the path-mtu is calculated automatically from the network port MTU of the PE router.

D.

The path-mtu is calculated based on the service MTU of the service using the SDP.

E.

The path-mtu is signaled between the PE endpoints when the service is established.

Which of the following tasks must be carried out before deleting an Epipe service? (Choose 4)

A.

Shut down all SAPs associated with the service.

B.

Shut down all SDPs associated with the service.

C.

Delete all SAPs and SDPs associated with the service.

D.

Shut down all physical ports that are bound to a SAP.

E.

Delete the Customer ID.

F.

Shut down the service.

Which of the following about an established LDP session is TRUE?

A.

It uses a UDP connection with an arbitrary port number.

B.

It uses a UDP connection with well-known port number 646.

C.

It uses a TCP connection with an arbitrary port number.

D.

It uses a TCP connection with well-known port number 646.

Which of the following best describes downstream on demand label distribution?

A.

An LSR answers requests for label mappings immediately, without waiting for a label mapping from the next-hop.

B.

An LSR advertises label mappings to all peers for which it might be a next-hop for a given FEC.

C.

An LSR distributes a label mapping for a FEC when it has been requested to do so.

D.

An LSR propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC's next-hop.