640-802 CCNA Study Guide - Elktech.org

Answer: B,D
Explanation:
Cisco 640-802 Exam
QUESTION NO: 599
Which two statements about using the CHAP authentication mechanism in a PPP link are true?
(Choose two)
A. CHAP users a two-way handshake
B. CHAP authentication periodically occurs after link establishment.
C. CHAP uses a three-way handshake
D. CHAP authentication is performed only upon link establishment.
E. CHAP authentication passwords are sent in plaintext.
F. CHAP has no protection from playback attacks.
Answer: B,C
Explanation:
QUESTION NO: 600
Which three are characteristics of an IPv6 anycast address? (Choose three)
A. one-to-many communication model
B. delivery of packets to the group interface that is closest to the sending device
C. any-to-many communication model
D. a unique IFV6 address for each device in the group
E. the same address for multiple devices in the group
F. one-to-nearest communication model
Answer: B,E,F
Explanation:
Topic 7, Volume G
QUESTION NO: 601
Which router IOS commands can be used to troubleshoot LAN connectivity problems? (Choose
three.)
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