Wednesday's CCNA / CCNP Practice Questions And Answers

CCNA:

EIGRP is considered a hybrid protocol. Why?

A. EIGRP has characteristics of IGRP, but has additional features as well.

B. EIGRP has characteristics of both link state and distance vector protocols.

C. EIGRP has characteristics of both IGRP and RIP.

D. EIGRP has characteristics of both OSPF and ISIS.

ANSWER: B. EIGRP is considered a hybrid of distance vector and link state protocols. The other statements are all true, but none of them is the reason EIGRP is considered a hybrid.



BSCI:

What UDP port does BGP use to allow peering relationships between routers?

A. 80

B. 8080

C. 179

D. 100

E. 254

F. None of the above.

ANSWER: F. BGP uses TCP port 179 for peering, not UDP.




BCMSN:

What STP port state or states are bypassed when a port is configured with PortFast? Choose all that apply.

A. Blocking

B. Listening

C. Learning

D. Forwarding

ANSWER: B, C. Portfast allows a port to bypass the listening and learning port states. Repeat after me - Portfast should only be configured on a port leading to a single host device!

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