Distributed Computing System (DCS) Solved MCQs


A distributed system is defined as a collection of autonomous computers linked by a network with software designed to produce an integrated computing facility.

A. true
B. false
Answer» A. true

A “glue” between client and server parts of application

A. middleware
B. firmware
C. package
D. system software
Answer» A. middleware

The hardware of DS has two types

A. multiprocessor system,multicomputer system
B. multiprocessor system,unicomputer system
C. uniprocessor system,multicomputer system
D. uniprocessor system,unicomputer system
Answer» A. multiprocessor system,multicomputer system

Process Fail - Stop in process omission faults

A. can be detected in synchronous system.
B. can be detected in asynchronous system.
C. can be detected in synchronous and asynchronous system.
D. can be detected in standalone system.
Answer» A. can be detected in synchronous system.

Distributed pervasive system is also known as

A. ubiquitous computing
B. user interface design
C. graphical user interface
D. peer to peer system
Answer» A. ubiquitous computing

Type of cluster computing is

A. load sharing cluster
B. load holding cluster
C. load replication cluster
D. load balancing cluster
Answer» D. load balancing cluster

Type of grid computing is

A. collaborative grid
B. system grid
C. process grid
D. channel grid
Answer» A. collaborative grid

Scaling transparency hides

A. system expansion
B. system collaboration
C. system failure
D. system security
Answer» A. system expansion

Internet provides                for remote login.

A. telnet
B. http
C. ftp
D. rpc
Answer» A. telnet

The header usually consists of the following elements in IPC I. Sequence number II. Structural information III. Address IV. File mode(Read/ Write)

A. i,iii, iv
B. i,ii, iii
C. i, ii, iv
D. i,iv
Answer» B. i,ii, iii

In RMI, the objects are passed by .

A. value
B. reference
C. value and reference
D. object
Answer» A. value

What are the exceptions which have to be handled in a RMI client program?

A. malformedurlexception
B. notfoundexception
C. arithmeticexception
D. class•not•found•excepti on
Answer» A. malformedurlexception

Transient communication done by layer

A. network
B. transport
C. physical
D. session
Answer» B. transport

The local operating system on the server machine passes the incoming packets to the

A. server stub
B. client stub
C. client operating system
D. binding agent
Answer» A. server stub

Machine that places the request to access the data is generally called as .

A. server machine
B. client machine
C. request machine
D. database server
Answer» B. client machine

                                  provides programmers a familiar programming model by extending the local procedure call to a distributed environment

A. distributed environment
B. permanent procedure call
C. process and file
D. remote procedure call
Answer» D. remote procedure call

An architecture where clients first communicate the server for data then format and display it to the users, is known as

A. client/server architecture
B. three-tier architecture
C. two-tier architecture
D. peer-to-peer architecture
Answer» A. client/server architecture

                   is an object acting as a gateway for the client side.

A. skeleton
B. stub
C. remote
D. server
Answer» B. stub

Message passing provides a mechanism to allow processes to communicate and to synchronize their actions

A. by sharing the same address space
B. without sharing the same address space
C. by sharing the same process number and process identifier
D. by sharing port number
Answer» A. by sharing the same address space

Which of the following allocates/deallocates buffers

A. rrl
B. stub/skeleton layer
C. transport layer
D. networking layer
Answer» A. rrl

OSI stands for                      

A. open system interconnection
B. operating system interface
C. optical service implementation
D. open service internet
Answer» A. open system interconnection

Which address is used to identify a process on a host by the transport layer?

A. physical address
B. logical address
C. port address
D. specific address
Answer» C. port address

In all reliable multicast group communication              

A. n\ response expected from the receiver
B. response from any of the receiver required
C. response from \m\(1<m<n) of the \n\ receiver required
D. response needed from all the receivers
Answer» D. response needed from all the receivers

If processes p and q both receive messages m and m', then p receives m before m' if and only if q receives m before m'.The order delivery is called

A. absolute ordering
B. consistent ordering
C. causal ordering
D. fifo ordering
Answer» B. consistent ordering

What is close group in group communication?

A. only members can send messages to the group as a whole
B. processes that are not members (clients) can send message to the group.
C. the idea of groups is to support replicated servers
D. processes that are not members (clients) but close to the group can send message to the group.
Answer» A. only members can send messages to the group as a whole
Question and answers in Distributed Computing System (DCS), Distributed Computing System (DCS) multiple choice questions and answers, Distributed Computing System (DCS) Important MCQs, Solved MCQs for Distributed Computing System (DCS), Distributed Computing System (DCS) MCQs with answers PDF download

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