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Distributed Systems

Description: Online Tests for Distributed System to prepare for IT Courses, BCA, MCA, B.SC-IT, M.Sc-IT, Engineering and other covers Distributed Systems, System Security, System Engineering, Distributed File System
Number of Questions: 25
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Tags: Distributed Systems System Security Engineering System Engineering Distributed File System Data Communication & Networks Computer Basics Software Engineering
Attempted 0/25 Correct 0 Score 0

The collection of independent computers that appear to the user of the system as single computer is called

  1. centralized system

  2. distributed system

  3. autonomous system

  4. none of these


Correct Option: B

What is the advantage of distributed system over PC?

  1. Data sharing

  2. Device sharing

  3. Communication

  4. Flexibility


Correct Option: A

Multi-computers are

  1. tightly-coupled

  2. loosely-coupled

  3. closely-coupled

  4. none of the above


Correct Option: A

The distributed systems, which have incremental growth and extensibility are called

  1. closed DS

  2. open DS

  3. coupled DS

  4. none of these


Correct Option: A

Distributed system is

  1. non flexible

  2. more flexible

  3. less flexible

  4. none of these


Correct Option: B

MIPS stands for

  1. Millie Instructions Per Second

  2. Million Instructions Per Second

  3. Mega Instructions Per Second

  4. None of these


Correct Option: B

Fault tolerance capability means

  1. run the task even machine failed in the N/W

  2. stop the task when machine failed in the N/W

  3. wait for repair

  4. none of these


Correct Option: A

In which transparencies, the user cannot recognise whether a resource is remote or local?

  1. Location

  2. Access

  3. Failure

  4. None of these


Correct Option: A

The systems which are designed to allow many users to work together are called

  1. parallel systems

  2. distribute systems

  3. linear systems

  4. none of these


Correct Option: B

The expanding of scale without disrupting the activities of user is called

  1. scaling

  2. naming

  3. linking

  4. none of these


Correct Option: A

RPC stands for

  1. Remote Procedure Call

  2. Random Procedure Call

  3. Random Protocol Connection

  4. None of these


Correct Option: A

The disadvantage of distributed system is its

  1. software

  2. networking

  3. security

  4. none of these


Correct Option: D

Shared Memory concept is used in

  1. Tightly Coupled

  2. Loosely Coupled

  3. Tightly Loosely Coupled

  4. Loosely Tightly Coupled


Correct Option: B

Hyper cube is an example of

  1. switched multiprocessors

  2. bus multiprocessors

  3. switched multi computers

  4. bus multi computers


Correct Option: A

Which system does not function when an error is occurred?

  1. Byzantine

  2. Fail stop

  3. Fail start

  4. None of these


Correct Option: A

Microkernel is

  1. more flexible

  2. not flexible

  3. maintainable

  4. none of these


Correct Option: A

Which system will continue the function when an error is occurred?

  1. Byzantine

  2. Fail stop

  3. Fail start

  4. None of these


Correct Option: B

Heterogeneous DS consists of interconnected sets of

  1. similar H/W

  2. dissimilar H/W and S/W

  3. similar S/W

  4. none of these


Correct Option: A

The complete failure of transparency is possible in DS.

  1. No

  2. Yes

  3. Cannot be determined

  4. None of these


Correct Option: A

X.25 is a______________protocol.

  1. connection oriented

  2. connection less

  3. both (1) and (2)

  4. none of these


Correct Option: A

The 'happened- before-relation' was defined by

  1. Lamport

  2. Berkeley

  3. Chadwik

  4. None of these


Correct Option: A

An alternative protocol for stop wait protocol is

  1. WAP

  2. Blast Protocol

  3. HTTP

  4. None of these


Correct Option: A

Synchronization in DS is ________ than in centralized systems.

  1. complicated

  2. not complicated

  3. flexible

  4. none of these


Correct Option: A

The cls in which must not only be the same butalso must not deviate from the real time by more than certain amount then those clocks are called as

  1. Physical clock

  2. Real clock

  3. Logical clock

  4. None of these


Correct Option: A

In lamport relation, a -> b means

  1. a happens before b

  2. b happens before a

  3. a happens after b

  4. none of these


Correct Option: A
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