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Viewing page 6 out of 8 pages
Viewing questions 51-60 out of questions
Questions # 51:

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.

Expert Solution
Questions # 52:

What is the function of the MPLS label assigned to a packet?

Options:

A.

It identifies the FEC.

B.

It specifies the packet's header length

C.

It identifies the origin of the packet.

D.

It specifies the type of data contained in the packet

Expert Solution
Questions # 53:

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.

Expert Solution
Questions # 54:

You wish to build an LSP originating on router R1, transiting the path R1-R2-R4-R5-R6, and terminating on router R6. How many strict hops would you define in your path statement?

Options:

A.

4

B.

1

C.

5

D.

6

Expert Solution
Questions # 55:

Which of the following reservation styles can be used to prevent both the primary and secondary paths from booking resources on a common link?

Options:

A.

Fixed filter

B.

Shared explicit

C.

Standby explicit LSP

D.

Preemptive filter

E.

Link capacity filter

Expert Solution
Questions # 56:

Click on the exhibit button below.

Question # 56

With fast reroute enabled, and given the following:

    Two protected LSPs with the path R1-R2-R3

    Both LSPs enable facility bypass and link protection.

When router R1 is the PLR, which router becomes the MP?

Options:

A.

Router R1

B.

Router R2

C.

Router R3

D.

Router R4

E.

Router R5

Expert Solution
Questions # 57:

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.

Expert Solution
Questions # 58:

Which of the following about Link TLVs found inside Type 10 Opaque LSAs is FALSE?

Options:

A.

Link TLVs are used to advertise administrative group information.

B.

Link TLVs are exchanged once RSVP is enabled on the interfaces.

C.

Link TLVs are used to advertise router-IDs.

D.

Link TLVs are used to advertise bandwidth information.

Expert Solution
Questions # 59:

Which of the following about an LSP protected with one-to-one FRR is TRUE?

Options:

A.

The LSP can use facility and one-to-one FRR simultaneously.

B.

The LSP is limited to node protection.

C.

A single protection tunnel is used for all LSPs with the same path.

D.

A detour protection tunnel is created for the LSP.

Expert Solution
Questions # 60:

Which of the following is NOT an advantage of MPLS shortcuts for BGP traffic?

Options:

A.

It makes use of MPLS resiliency features available within an AS.

B.

It eliminates double route lookups on all routers within an AS.

C.

It eliminates the need to run IGP on all routers within an AS.

D.

It eliminates the need for an iBGP full mesh on all core routers.

Expert Solution
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