Ccna certification Practice Tests

A. 

Switch#show run

B. 

Switch#show interfaces counters

C. 

Switch#show interfaces status

D. 

Switch#show counters interfaces

 91.  Flow control can be found at which layer of the OSI?

A.  Transport layer

B.  Network layer

C.  Data Link layer

D.  Session layer

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Chapter 1 

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  Network Fundamentals (Domain 1)

 92.  Which protocol requires the programmer to deal with lost segments?

A. SSL

B. TCP

C. UDP

D. NMS

 93.  Which is a correct statement about the Transmission Control Protocol (TCP)?

A.  TCP is a connectionless protocol.

B.  TCP allows for error correction.

C.  TCP is faster than UDP.

D.  TCP allows for retransmission of lost segments.

 94.  Which statement correctly describes what happens when a web browser initiates a request 

to a web server?

A.  The sender allocates a port dynamically above 1024 and associates it with the 

request.

B.  The receiver allocates a port dynamically above 1024 and associates it with the 

request.

C.  The sender allocates a port dynamically below 1024 and associates it with the 

request.

D.  The receiver allocates a port dynamically below 1024 and associates it with the 

request.

 95.  Which protocol and port number is associated with SMTP?