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640-802 CCNA Study Guide - Elktech.org

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

Which IPsec security protocol should be used when confidentiality is required?<br />

A. PSK<br />

B. AH<br />

C. MD5<br />

D. ESP<br />

Answer: D<br />

Explanation:<br />

QUESTION NO: 458<br />

What are three features of the IPv6 protocol? (Choose three.)<br />

A. checksums<br />

B. optional IPsec<br />

C. autoconfiguration<br />

D. complicated header<br />

E. plug-and-play<br />

F. no broadcasts<br />

Answer: C,E,F<br />

Explanation:<br />

QUESTION NO: 459<br />

At which layer of the OSI model is RSTP used to prevent loops?<br />

A. data link<br />

B. network<br />

C. physical<br />

D. transport<br />

Answer: A<br />

Explanation:<br />

QUESTION NO: 460<br />

"Pass Any Exam. Any Time." - www.actualtests.com 332

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