Operating System Mcqs

Page No. 6

In the non blocking send __________


athe sending process keeps sending until the message is received

✖


bthe sending process sends the message and resumes operation

✓


cthe sending process keeps sending until it receives a message

✖


dnone of the mentioned

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In indirect communication between processes P and Q __________


athere is another process R to handle and pass on the messages between P and Q

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bthere is another machine between the two processes to help communication

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cthere is a mailbox to help communication between P and Q

✓


dnone of the mentioned

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Which of the following are TRUE for direct communication?


aA communication link can be associated with N number of process(N = max. number of processes supported by system)

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bA communication link is associated with exactly two processes

✓


cExactly N/2 links exist between each pair of processes(N = max. number of processes supported by system)

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dExactly two link exists between each pair of processes

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


acommunication link

✓


bmessage-passing link

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csynchronization link

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dall of the mentioned

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View Answer communication link

Messages sent by a process __________


ahave to be of a fixed size

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bhave to be a variable size

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ccan be fixed or variable sized

✓


dnone of the mentioned

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Which of the following two operations are provided by the IPC facility?


awrite & delete message

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bdelete & receive message

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csend & delete message

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dreceive & send message

✓



Message passing system allows processes to __________


acommunicate with each other without sharing the same address space

✓


bcommunicate with one another by resorting to shared data

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cshare data

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dname the recipient or sender of the message

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What is Interprocess communication?


aallows processes to communicate and synchronize their actions when using the same address space

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ballows processes to communicate and synchronize their actions

✓


callows the processes to only synchronize their actions without communication

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dnone of the mentioned

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A process that is based on IPC mechanism which executes on different systems and can communicate with other processes using message based communication, is called ________


aLocal Procedure Call

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bInter Process Communication

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cRemote Procedure Call

✓


dRemote Machine Invocation

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View Answer Remote Procedure Call

The remote method invocation __________


aallows a process to invoke memory on a remote object

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ballows a thread to invoke a method on a remote object

✓


callows a thread to invoke memory on a remote object

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dallows a process to invoke a method on a remote object

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