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640-802 CCNA Study Guide - Elktech.org

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Answer: A,C,F<br />

Explanation:<br />

Cisco <strong>640</strong>-<strong>802</strong> Exam<br />

QUESTION NO: 122<br />

Refer to the exhibit. Which WAN protocol is being used?<br />

A. ATM<br />

B. HDLC<br />

C. Frame Relay<br />

D. ppp<br />

Answer: C<br />

Explanation:<br />

This question is to examine the show int command.<br />

According to the information provided in the exhibit, we can know that the data link protocol used<br />

in this network is the Frame Relay protocol.<br />

“LMI enq sent…”<br />

So the correct answer is C.<br />

QUESTION NO: 123<br />

What is the difference between a CSU/DSU and a modem?<br />

A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog<br />

signals from a router to a leased line.<br />

B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital<br />

"Pass Any Exam. Any Time." - www.actualtests.com 63

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