640-802 CCNA Study Guide - Elktech.org

Cisco 640-802 Exam
Answer: C
Explanation:
This question is to examine the OSI model.
Two hosts are communicating through Internet. The communication process includes
encapsulation and de-encapsulation.
From down to top, de-encapsulation is required.
From top to down, encapsulation is required.
So the correct answer is C.
QUESTION NO: 95
An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which
protocol is responsible for that message?
A. RARP
B. RUDP
C. ICMP
D. SNMP
Answer: C
Explanation:
This question is to examine the command ping.
The ping command is often used to check the network connectivity.
Ping sends an ICMP echo request to the destination and tells whether a corresponding ICMP echo
reply message is received or not.
QUESTION NO: 96
When you are logged into a switch, which prompt indicates that you are in privileged mode?
A. %
B. @
C. >
D. $
E. #
Answer: E
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