A. pop

B. swap

C. PHP

D. push

A. The BGP router sends a unicast NOTIFICATION message.

B. The BGP router sends a multicast HELLO packet.

C. The BGP router sends a multicast CONNECT message.

D. The BGP router sends a unicast OPEN message.

A. Poison-Reverse

B. Spanning-Tree

C. Time-to-Live (TTL)

D. Split-Horizon

A. by routers to forward packets with link-local source addresses to other links

B. for neighbor discovery

C. addressing on a single link for purposes such as auto-address configuration

D. for local IP communication on the IPv6 capable routers

E. when routers are not present

A. A path cannot be considered if the next-hop is inaccessible.

B. A lower local-preference attribute will be favored over a higher local-preference attribute.

C. A higher local-preference attribute will be favored over a lower local-preference attribute.

D. The most important criteria is the administrative distance.

A. commit

B. configure

C. set metric

D. capabilities

A. An AS is a group of networks directly connected to each other that can distribute eBGP information using directly established links.

B. An AS is a network that is capable of autonomously forwarding packets, regardless of direct or indirect connectivity to the Internet.

C. An AS is a set of routers under a single administration, using an interior gateway protocol and common metrics to route packets within the AS.

D. An AS is a collection of IS-IS routes imported into BGP and presented in such a way that networks connected to the AS have a global overview of the network.