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Viewing page 7 out of 8 pages
Viewing questions 61-70 out of questions
Questions # 61:

Which of the following statements best describes downstream unsolicited label distribution?

Options:

A.

An LER may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.

B.

An LER may advertise label mappings to all peers for which it might be a next-hop for a given FEC.

C.

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

D.

An LER will only distribute a label for a FEC when it has been requested to do so.

Questions # 62:

In MPLS, labels are distributed in the opposite direction of the data flow.

Options:

A.

TRUE

B.

FALSE

Questions # 63:

An LSP path is configured as follows:

- Shared-explicit reservation style

- Make-before-break (MBB) enabled

- 500Mpbs bandwidth reserved on a 1Gbps link

With 100Mbps of unreserved bandwidth remaining, the operator increases the LSP-path's bandwidth reservation to 900Mbps. What happens to the existing LSP?

Options:

A.

CSPF looks for the delta bandwidth, taking down the first path if necessary.

B.

CSPF looks for the delta bandwidth, implementing make-before-break.

C.

After 5 failed attempts to find the bandwidth requested, the head end disables the LSP.

D.

CSPF looks for the entire bandwidth requested, implementing MBB.

Questions # 64:

Which of the following statements regarding LSP path configuration are true? (Choose three)

Options:

A.

The path must include at least one hop.

B.

The path may be used multiple times in a single LSP.

C.

The path may comprise loose hop entries only.

D.

The path must define the LSP's tail end.

E.

The path may be used for multiple LSPs.

Questions # 65:

Which of the following statements regarding RSVP-TE is FALSE?

Options:

A.

RSVP-TE operates in a downstream unsolicited label advertisement mode.

B.

RSVP-TE makes use of ordered control mode.

C.

RSVP-TE is an MPLS signaling protocol, based on the resource reservation protocol.

D.

RSVP-TE enables the establishment of explicitly routed LSPs that can be automatically routed away from network failures

E.

RSVP-TE supports explicitly routed LSPs using either loose or strict route definitions.

Questions # 66:

When configuring an LSP for fast reroute one-to-one protection, which of the following statements is true?

Options:

A.

The LSP can also use facility backup.

B.

The LSP is limited to node protection.

C.

You cannot request bandwidth on the protected LSP.

D.

Node protection can be disabled.

Questions # 67:

Which of the following are the default settings for the Alcatel-Lucent 7750 SR when using LDP?

Options:

A.

Ordered control mode; downstream on demand.

B.

Ordered control mode; downstream unsolicited.

C.

Independent control mode; downstream on demand.

D.

Independent control mode; downstream unsolicited.

Questions # 68:

Which approach to LSP path diversity provides the most control, but the least flexibility?

Options:

A.

Administrative Groups

B.

Shared Risk Link Groups

C.

Strict hop LSP paths

D.

Fast reroute

Questions # 69:

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 # 70:

Click on the exhibit button below.

Question # 70

Assuming that LSP R1-R2-R3 requests the default fast reroute configuration, which router becomes a DMP for the detour tunnels?

Options:

A.

Router R1

B.

Router R2

C.

Router R3

D.

Router R4

E.

Router R5

Viewing page 7 out of 8 pages
Viewing questions 61-70 out of questions
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