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Q.

In the Zero capacity queue __________

A

the queue can store at least one message

B

the sender blocks until the receiver receives the message

C

the sender keeps sending and the messages don

D

none of the mentioned

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A process stack does not contain __________

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Function parameters

B

Local variables

C

Return addresses

D

PID of child process

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2.

Messages sent by a process __________

A

have to be of a fixed size

B

have to be a variable size

C

can be fixed or variable sized

D

None of the mentioned

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3.

The number of processes completed per unit time is known as __________

A

Output

B

Throughput

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Efficiency

D

Capacity

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4.

The link between two processes P and Q to send and receive messages is called __________

A

communication link

B

message

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synchronization link

D

all of the mentioned

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To differentiate the many network services a system supports ______ are used.

A

Variables

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Sockets

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Ports

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Service names

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