One of the main duties of the transport layer is to provide ____________ communication.

• node-to-node

• host-to-host

• process-to-process

• None of the choices are correct

A client program normally uses ____________ port number. A server program normally uses __________ port number.

• a well-known; an ephemeral

• an ephemeral; a well-known

• a private; a well-known

• None of the choices are correct

A socket address is a combination of __________.

• A MAC address and a logical address

• A MAC address and a port number

• a user-specific address and a logical address

• None of the choices are correct

____________ means accepting items from more than one source. ______________ means delivering items to more than one source.

• Demultiplexing; Multiplexing

• Multiplexing; Demultiplexing

• Encapsulation; Decapsulation

• Pulling; Pushing

________ means the producer delivers the items when they are produced. _______ means the consumer takes the items when it is ready to do so.

• Pushing; pulling

• Pulling; pushing

• Forwarding; accepting

• None of the choices are correct

In the stop-and-wait protocol, the maximum send window size is ______ and the maximum receive window size is _______ where m is the number of bits in the sequence.

In the Go-Back-N protocol, the maximum send window size is ______ and the maximum receive window size is _______, where m is related to the number of bits in the sequence. number.

In the selective-repeat protocol, the maximum send window size is ______ and the maximum receive window size is _______, where m is the number of bits in the sequence.

UDP is a ________________ transport protocol.

• connectionless, reliable

• connection-oriented, unreliable

• connectionless, unreliable

• None of the choices are correct

UDP is an acronym for _______.

• User Delivery Protocol

• User Datagram Procedure

• User Datagram Protocol

• None of the choices are correct