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Cisco Certified Network Associate(CCNA) Sample Questions:

1. Which two statements about using the CHAP authentication mechanism in a PPP link are true? (Choose two)

A) CHAP uses a three-way handshake
B) CHAP authentication periodically occurs after link establishment.
C) CHAP authentication is performed only upon link establishment.
D) CHAP authentication passwords are sent in plaintext.
E) CHAP has no protection from playback attacks.
F) CHAP users a two-way handshake

2. Which command is used to display the collection of OSPF link states?

A) show ip ospf Isa database
B) show ip ospf database
C) show ip ospf neighbors
D) show ip ospf link-state

3. Which two features did WPAv1 add to address the inherent weaknesses found in WEP? (Choose two.)

A) per frame sequence counters
B) key mixing using temporal keys
C) shared key authentication
D) a shorter initialization vector
E) a stronger encryption algorithm

4. Which two statements about static NAT translations are true? (Choose two)

A) They require no inside or outside interface markings because addresses are statically defined.
B) They are always present in the NAT table.
C) They can be configured with access lists, to allow two or more connections to be initiated from the outside.
D) They allow connection to be initiated from the outside.

5. Which protocol provides a method of sharing VLAN configuration information between two Cisco switches?

A) STP
B) VTP
C) RSTP
D) 802.1Q

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