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Viewing page 5 out of 8 pages
Viewing questions 41-50 out of questions
Questions # 41:

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.

Expert Solution
Questions # 42:

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Question # 42

Consider the following:

    Routers R1 and R4 are in Area 1.

    Routers R4 and R5 in Area 0.

    Routers R5 and R3 are in Area 2.

To support LDP-over-RSVP tunnels between routers R1 and R3 over path R1-R4-R5-R3, with which routers will router R5 require targeted sessions? (Choose two)

Options:

A.

Router R1

B.

Router R4

C.

Router R2

D.

Router R3

Expert Solution
Questions # 43:

Which of the following statements regarding LDP-over-RSVP are true? (Choose two)

Options:

A.

Targeted sessions must exist between all routers in the tunnel's path.

B.

Each LDP interface must be configured to support LDP tunneling.

C.

LDP prefixes resolve to an RSVP LSP, rather than to a physical egress interface.

D.

RSVP LSPs must exist between each PE-ABR pair, or ABR-ABR pair in each area.

Expert Solution
Questions # 44:

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Question # 44

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

Expert Solution
Questions # 45:

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Question # 45

Given the following fast reroute protected LSPs:

-LSP1.R1-R4-R5-R3

-LSP2.R1-R4-R5-R2

Which routers become bypass tunnel PLRs? Choose two answers

Options:

A.

Router R1

B.

Router R2

C.

Router R3

D.

Router R4

E.

Router R5

Expert Solution
Questions # 46:

Which of the following is defined by the following statement? All label mappings received from all peer LSRs are saved.

Options:

A.

Conservative label retention

B.

Liberal label retention.

C.

Downstream on demand.

D.

Downstream unsolicited.

Expert Solution
Questions # 47:

Which of the following statements regarding RSVP refresh reduction are true1? (Choose two)

Options:

A.

Message-IDs replace individual refresh messages.

B.

Refresh reduction applies only to reservation messages.

C.

RSVP generates a summary-refresh message for each LSP.

D.

An LSP state change causes an incremented Message-ID.

Expert Solution
Questions # 48:

Which of the following statements regarding DiffServ-TE LSPs is true?

Options:

A.

The Maximum Allocation Model (MAM) provides the most efficient bandwidth utilization model

B.

In the Maximum Allocation Model (MAM), each CT receives dedicated bandwidth constraints.

C.

In the Russian Doll Model (RDM), a CT2 LSP automatically preempts a CT1 LSP.

D.

Using the Russian Doll Mode! (RDM), a CT1 LSP may use unreserved CTO bandwidth.

Expert Solution
Questions # 49:

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.

Expert Solution
Questions # 50:

Which of the following are characteristics of an LSP? (Choose two)

Options:

A.

It is unidirectional.

B.

It is bidirectional.

C.

It must always have a secondary path.

D.

It provides a specific tunnel for a FEC through the network.

E.

It always follows the IGP best path.

Expert Solution
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