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Which of the following is a characteristic of LDP Hello messages?

A.

They are multicast to the All Hosts address.

B.

They are broadcast to the subnet broadcast address.

C.

They are multicast to the All Routers address.

D.

They are broadcast or multicast, depending on the physical media.

Which of the following about Fast Reroute link protection tunnels is FALSE?

A.

Link protection tunnels are established if a router is unable to establish node protection tunnels.

B.

Link protection tunnels are only requested for a primary LSP path.

C.

Link protection tunnels can be created for both one-to-one or facility Fast Reroute.

D.

Link protection tunnels detour around a failed next downstream router.

Which of the following messages is NOT used in T-LDP operation?

A.

Hello message

B.

Init message

C.

Keepalive message

D.

Label Mapping message

E.

ACK message

Which of the following regarding the location of an MPLS label is FALSE?

A.

The MPLS label value may be carried in an ATM header.

B.

The MPLS label value may be carried in a shim header.

C.

The MPLS label value may be carried in an OSPF header.

D.

The MPLS label value may be carried in a Frame Relay header.

Click on the exhibit.

What is the possible reason that the label for prefix 192.10.1.2/32 is not active?

A.

The router does not have a route to reach to the peer 10.10.10.2/32.

B.

The router does not have a route to reach to the prefix 192.10.1.2/32.

C.

The router does not have an export policy defined to export the prefix 192.10.1.2/32 into LDP.

D.

The router receives an invalid label for the prefix 192.10.1.2/32 from its peer.

An LSP is configured with one-to-one FRR and node protection on a Alcatel-Lucent 7750 SR. Which of the following is FALSE?

A.

Each PLR signals a protection tunnel that avoids the downstream node.

B.

A single protection tunnel can protect all LSPs that go through the same hop.

C.

A link protection tunnel is signaled if a node protection tunnel cannot be established.

D.

Protection tunnels used in this LSP are also detour tunnels.

Consider a device that uses per-platform label space; which of the following fields is NOT contained in the LFIB?

A.

Incoming label

B.

Outgoing label

C.

Incoming interface

D.

Outgoing interface

Click on the exhibit.

When router R1 forwards a PATH message to router R2, which of the following about the PATH message's IP header is TRUE?

A.

The options field is set to router alert.

B.

The source address is R1's egress interface address.

C.

The destination address is R2's ingress interface address.

D.

The HOP object includes R2's system address.

What is the purpose of a T-LDP session?

A.

It allows link LDP to be configured on the edge devices only.

B.

It is used to signal the transport labels in the provider core.

C.

It allows selective control over which devices are configured for LDP.

D.

It is used to signal the service labels in the provider core.

Click on the exhibit.

Which of the following is FALSE?

A.

The router can reach prefix 192.10.1.2/32 through a RSVP-TE tunnel.

B.

The router can reach prefix 192.10.1.2/32 through an LDP tunnel.

C.

The router 10.10.10.2 is the egress router of the prefix 192.10.1.2/32.

D.

The Isp-ping tool is used to perform a unidirectional LSP test.