640-802 CCNA Study Guide - Elktech.org

Cisco 640-802 Exam
QUESTION NO: 564
Which command is used to enable CHAP authentication, with PAP as the fallback method, on a
serial interface?
A. Router(config-if)# ppp authentication chap fallback ppp
B. Router(config-if)# authentication ppp chap fallback ppp
C. Router(config-if)# ppp authentication chap pap
D. Router(config-if)# authentication ppp chap pap
Answer: C
Explanation:
QUESTION NO: 565
Which two statements apply to dynamic access lists?(choose two)
A. they offer simpler management in large internetworks.
B. you can control logging messages.
C. they allow packets to be filtered based on upper-layer session information.
D. you can set a time-based security policy.
E. they provide a level of security against spoofing.
F. they are used to authenticate individual users.
Answer: A,F
Explanation: http://www.cisco.com/en/US/docs/ios/11_3/security/configuration/guide/sclock.pdf
QUESTION NO: 566
Which address range efficiently summarizes the routing table of the addresses for router main?
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