GATE Computer Science: Questions 606 - 612 of 913

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Question number: 606

» Databases » Database Design

MCQ▾

Question

Which of the following is a process by which code is scrambled to hide its meaning?

Choices

Choice (4) Response

a.

Code keying

b.

Private key

c.

Code

d.

Encryption

Question number: 607

» Databases » Relational Model

MCQ▾

Question

A ________ is an attribute or combination of attributes that uniquely identifies each instance of an entity type.

Choices

Choice (4) Response

a.

Foreign key

b.

Candidate key

c.

Primary key

d.

None of the above

Question number: 608

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

MCQ▾

Question

Synchronous Optical Network (SONET) is a standard developed by ________

Choices

Choice (4) Response

a.

SONET

b.

ECIDE

c.

ANSI

d.

None of the above

Question number: 609

» Computer Networks » Congestion Control

MCQ▾

Question

________ is a supplementary protocol that allows non-ASCII data to be sent through e-mail.

Choices

Choice (4) Response

a.

SMTP

b.

MIME

c.

SNMP

d.

Both a. and b. are correct

Question number: 610

» Databases » ER-Model

MCQ▾

Question

A key constraint that indicates that one entity can be associated with many of another entity is called________

Choices

Choice (4) Response

a.

Entity set

b.

Relationship

c.

Many-to-many relationship

d.

One-to-many relationship

Question number: 611

» Information Systems and Software Engineering » Information Gathering

MCQ▾

Question

Which of the following is NOT found on an integrated circuit?

Choices

Choice (4) Response

a.

Motherboard

b.

Transistors

c.

Capacitors

d.

Diodes

Question number: 612

» Computer Networks » Digital Signature

MCQ▾

Question

A digital signature needs a ________ system.

Choices

Choice (4) Response

a.

asymmetric-key

b.

symmetric-key

c.

key

d.

Question does not provide sufficient data or is vague

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