Saturday 19 August 2017

In which two ways can split horizon issues be overcome in a Frame Relay network environment? (choose two.)


A. Configuring one physical serial interface with Frame Relay to various remote sites.

 B. Configure a loopback interface with Frame Relay to various remote sites.

 C. Configuring multiple subinterfaces on a single physical interface to various remote sites.

 D. Enabling split horizon.

 E. Disabling split horizon

 Answer: C,E

QUESTION 6

Which two statements about PAP and CHAP authentication are true? (Choose two)


A. PAP uses a challenge string from the server to the client.

B. PAP can query a TACACS+ server to verify access credentials.

C. CHAP requires the client to supply a username and optional password.

 D. PAP requires the client to supply a username and optional password.

 E. CHAP uses a challenge string from the server to the client

Answer: D,E

QUESTION 5

Which two statements about AAA implementation in a Cisco router are true? (Choose two.)


A. RADIUS is more flexible than TACACS+ in router management.

 B. RADIUS and TACACS+ allow accounting of commands.

 C. RADIUS and TACACS+ encrypt the entire body of the packet.

 D. RADIUS and TACACS+ are client/server AAA protocols.

 E. Neither RADIUS nor TACACS+ allow for accounting of commands.

Answer: B,D

QUESTION 4

Your company uses Voice over IP (VoIP). The system sends UDP datagrams containing the voice data between communicating hosts. When areas of the network become busy, some
of the datagrams arrive at their destination out of order. What happens when this occurs?


A. UDP will send an ICMP Information request message to the source host.

B. UDP will pass the information in the datagrams up to the next OSI layer in the order in which they arrive.

 C. UDP will drop the datagrams that arrive out of order.

 D. UDP will use the sequence numbers in the datagram headers to reassemble the data into the

Answer: B

Question 3

Which two statements about IP access-lists are true? (Choose two)

A. IP access-lists without at least one deny statement permit all traffic by default.

 B. Extended access-lists must include port numbers.

 C. They support wildcard masks to limit the address bits to which entries are applies.

D. Entries are applied to traffic in the order in which they appear.

 E. They end with an implicit permit.

Answer: C,D

Queation 2

Which cisco Express Forwarding component maintains Layer 2 addressing information?


A. dCEF
 B. adjacency table.
 C. FIB
 D. fast switching
 E. RIB
 Answer: B

Question 1

Which two functions are completely independent when implementing NAT64 over NAT-PT? (Choose two.)


A. DNS
 B. NAT
C. port redirection
D. stateless translation
E. session handling

Answer: A,B