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Viewing page 3 out of 8 pages
Viewing questions 21-30 out of questions
Questions # 21:

Which of the following about RSVP-TE is FALSE?

Options:

A.

It supports traffic protection using IGP equal cost paths.

B.

It supports CAC to prevent resource overbooking.

C.

It supports LSPs with traffic engineering constraints.

D.

It supports LSPs that follow the IGP best path.

Expert Solution
Questions # 22:

Click on the exhibit.

Question # 22

If the primary path goes down, which secondary LSP path will the head-end router select first?

Options:

A.

Secondary_Path-1

B.

Secondary_Path-2

C.

Secondary_Path-3

D.

Secondary_Path-4

Expert Solution
Questions # 23:

If an LSP needs to use an admin group, which of the following configurations is NOT required on the Alcatel-Lucent 7750 SR?

Options:

A.

Assign an admin group to a MPLS interface.

B.

Configure CSPF on the LSP.

C.

Configure at least one strict hop on the LSP path.

D.

Configure an "include" or "exclude" statement on the LSP path.

Expert Solution
Questions # 24:

Which of the following defines an FEC in traditional IP?

Options:

A.

A group of packets that will be forwarded by the router in the same manner, over the same path.

B.

A group of packets that arrive at the router on the same interface,

C.

A group of packets that leave the router on the same interface.

D.

A group of packets that arrive at the router on the same interface, from the same source.

Expert Solution
Questions # 25:

Click on the exhibit. After the Isp-ping command is executed, which of the following best describe the router's action?

Options:

A.

MPLS Echo Request packets are sent within the RSVP-TE tunnel that is signaled for "lsp-toR2".

B.

MPLS Echo Request packets are sent within the LDP tunnel that is signaled for Mlsp-toR2".

C.

MPLS Echo Request packets are IP-routed to the destination address of "lsp-toR2".

D.

MPLS Echo Request packets are sent to the destination address of "lsp-toR2" over TCP.

Expert Solution
Questions # 26:

Which of the following regarding per-platform label space is TRUE?

Options:

A.

A separate label is used for each interface on which the FEC is advertised.

B.

A single label is assigned to a FEC for all interfaces on the same router,

C.

It is typically used when the device has ATM or Frame Relay interfaces.

D.

It uses more label resources than a per-interface label space.

Expert Solution
Questions # 27:

Click on the exhibit.

Question # 27

The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?

Options:

A.

All routers along the path, R1, R2, and R3 can be PLRs.

B.

If the R1-R2 link fails, router R4 becomes an MP.

C.

If the R2-R3 link fails, router R3 becomes a PLR.

D.

Router R1 is the LSP head-end and can be a PLR.

Expert Solution
Questions # 28:

Which of the following is NOT a characteristic of MPLS?

Options:

A.

It provides the ability to establish connection oriented paths over a connectionless IP network.

B.

It provides a mechanism to engineer network traffic patterns independently of IP routing tables.

C.

It will work over most physical layer protocols.

D.

It can use GRE tunnels to transport data from many different protocols over an IP network.

Expert Solution
Questions # 29:

Fill in the blanks: A ________device has all interfaces inside the provider domain, and a _______ device has at least one interface outside the provider domain.

Options:

A.

PE, P

B.

P, PE

C.

PE, CE

D.

CE, PE

E.

CE, P

Expert Solution
Questions # 30:

Click on the exhibit.

Question # 30

An LDP tunnel is established on router R1 towards router R6. The link between routers R2 and R4 goes down. What will happen to the MPLS data traffic to router R6 IMMEDIATELY after the link goes down?

Options:

A.

MPLS data traffic will be discarded until the IGP finds a new next-hop to router R3.

B.

MPLS data traffic will be discarded unless the LDP tunnel has a standby secondary path.

C.

MPLS data traffic will not be discarded because router R1 received labels from both next-hops, routers R2 and R3.

D.

MPLS data traffic will not be discarded because of fast reroute capability on router R2.

Expert Solution
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