GATE Computer Science: Questions 641 - 649 of 913

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Question number: 641

» Computer Networks » Network Security - Public Key and Private Key Cryptography

MCQ▾

Question

A ________ substitutes one symbol with another.

Choices

Choice (4) Response

a.

Poly alphabetic cipher

b.

Substitution cipher

c.

Mono alphabetic cipher

d.

None of the above

Question number: 642

» Databases » Database Design

MCQ▾

Question

A ________ sites may use different schemas.

Choices

Choice (4) Response

a.

Transaction

b.

Heterogeneous distributed database

c.

Homogeneous distributed database

d.

None of the above

Question number: 643

» Information Systems and Software Engineering » Design

MCQ▾

Question

Which of the following is the first network?

Choices

Choice (4) Response

a.

ANSNET

b.

NSFNET

c.

ESNET

d.

ARPANET

Question number: 644

» Information Systems and Software Engineering » Information Gathering

MCQ▾

Question

An operating system runs multiple applications simultaneously known as-

Choices

Choice (4) Response

a.

Multi tasking

b.

DOS

c.

Multi programming

d.

Programming

Question number: 645

» Databases » ER-Model

MCQ▾

Question

Database System Applications are-

Choices

Choice (4) Response

a.

Finance

b.

Banking

c.

Human resources

d.

All a. , b. and c. are correct

Question number: 646

» Computer Networks » IP(v4)

MCQ▾

Question

An IPv6 address is ________bits long.

Choices

Choice (4) Response

a.

128

b.

321

c.

234

d.

None of the above

Question number: 647

» Computer Networks » Congestion Control

MCQ▾

Question

The ________ is an amount of time divided into slots.

Choices

Choice (4) Response

a.

Windows

b.

Home

c.

Contention window

d.

All of the above

Question number: 648

» Computer Organization and Architecture » Memory Interface

MCQ▾

Question

Backup storage is-

Choices

Choice (4) Response

a.

Primary storage

b.

memory

c.

Archive

d.

All of the above

Question number: 649

» Databases » Database Design

MCQ▾

Question

Records are stored in sequential order according to the value of a “ search key ” of each record is called________

Choices

Choice (4) Response

a.

Sequential file organization.

b.

Heap file organization.

c.

Hashing file organization.

d.

Clustering File

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