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Answer: D
TCP is the connection oriented protocol acknowledges receipt of data packets and is considered reliable. UDP is a connectionless un-acknowledged protocol at layer 4 or Transport layer. IPX is a layer 3 protocol
resolving logical addressing and routing. Appletalk is a complete protocol suite.
Chapter: 4
199. What is the default encapsulation used on Cisco serial links?
A. PPP B. IETF
C. HDLC
D. FRAME-RELAY
Answer: C
Cisco's default encapsulation for serial links is HDLC. To use a different encapsulation you use the
encapsulation command at the interface level.
Chapter: 4
200. Which command will show you the history buffer?
A. show history-buffer B. show history C. show buffer D. show all commands
Answer: B
The show history command will provide you with a list of the last 10 commands entered on the router.
Chapter: 4
201. What command do you use to backup a Cisco IOS to a TFTP host?
A. router(config)#copy flash tftp
B. router> copy flash tftp C. router# copy flash tftp
D. router(config-if)#copy flash tftp
Answer: C