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Questions # 1:

Which of the following can be used for label signaling and distribution on the Alcatel-Lucent 7750 SR? Choose two answers

Options:

A.

RSVP-TE

B.

TDP

C.

LDP

D.

ADP

E.

MPLS-TE

Expert Solution
Questions # 2:

An Alcatel-Lucent 7750 SR enabled with LDP has multiple equal cost paths to a given FEC. After ECMP is enabled, which of the following is FALSE?

Options:

A.

The router has new entries added for the given FEC in its LIB.

B.

The router has new entries added for the given FEC in its FIB.

C.

The router generates a single label for the given FEC and advertises it to all its peers,

D.

The router has multiple LSP tunnels for the given FEC.

Expert Solution
Questions # 3:

Which one of the following statements regarding RSVP LSP configuration is true?

Options:

A.

LSPs must always terminate on a system ID.

B.

MPLS and RSVP must be enabled on all routers.

C.

Interfaces must be individually created in RSVP.

D.

Path definitions must include at least one hop entry.

Expert Solution
Questions # 4:

Which of the following LDP messages are used in the successful establishment of LDP sessions? Choose three answers

Options:

A.

Label request message

B.

Notification message

C.

Address message

D.

Keepalive message

E.

Initialization message

F.

Hello message

Expert Solution
Questions # 5:

Which of the following is a primary cause of IP hyper-aggregation?

Options:

A.

IP routing protocols do not always select the best route to a destination.

B.

IP routing protocols always select multiple routes to a destination.

C.

IP routing protocols do not make use of all available network attributes to select a path

D.

Improper network design results in limited network path redundancy.

Expert Solution
Questions # 6:

Router R3 signals an LSP, reserving 1Gbps bandwidth on a 10Gbps link. RSVP configuration limits reservable bandwidth to 20 percent on the egress interface. Which of the following statements is true?

Options:

A.

The egress RSVP interface has 80 percent bandwidth unreserved.

B.

LSPs can reserve an additional 9.9 Gbps bandwidth on this RSVP interface.

C.

The head end reserves 100Mbps for the LSP.

D.

The egress RSVP interface has 1Gbps bandwidth unreserved.

Expert Solution
Questions # 7:

Click on the exhibit button below.

Question # 7

Consider the output shown; why is the label in bold font not in use?

Options:

A.

The router cannot do a SWAP of this label.

B.

The label does not match the egress label for the same FEC.

C.

The label is for a FEC for which the next-hop is the peer router

D.

The label was signaled in error.

Expert Solution
Questions # 8:

What is the purpose of the MPLS TC field (EXP bits)?

Options:

A.

Each implementation can use it as they see fit.

B.

It is used to carry the Ether type value.

C.

It is used to carry the TTL value.

D.

It is used to carry QoS classification.

E.

It is used to carry fragmentation flag information.

Expert Solution
Questions # 9:

Which one of the following statements regarding the detour object transported in the detour path message is true?

Options:

A.

The PLR sends it downstream with the RRO.

B.

The PLR sends it downstream with the ERO.

C.

It associates all detours with the source PLR.

D.

The MP sends it upstream with the RESV message.

Expert Solution
Questions # 10:

Click on the exhibit.

Question # 10

This policy is applied as an LDP export policy. In addition to the FECs learned from its neighbors, which FECs now appear in the router's LIB?

Options:

A.

Local FECs not included in the 192.168.1.0/24 address space and the system IP FEC.

B.

Only the system IP FEC appears in the LIB.

C.

Any local FECs, except those with a 24-bit mask.

D.

Local FECs in the 192.168.1.0/24 address space.

Expert Solution
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