A. Type 3

B. Type 1

C. Type 7

D. Type 4

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

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

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

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

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

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

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

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

A. An OSPF type 3 LSA is an inter-area LSA, generated by the ABR only when route summarization is configured.

B. An OSPF type 3 LSA is an intra-area LSA, generated by the ABR only when route summarization is configured.

C. An OSPF type 3 LSA is an inter-area LSA, generated by the ABR to describe a route to neighbors outside the area.

D. An OSPF type 3 LSA is an inter-area LSA, generated by an ASBR to describe external routes.

A. Echo reply packets may not take the same path as the LSP.

B. The test fails if the LSP is not operationally up.

C. An echo request is sent based on the LSP's label stack.

D. The IP destination address is used to initiate echo requests,