NTA-NET (Based on NTA-UGC) Computer Science (Paper-II): Questions 688 - 690 of 2012

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Question number: 688

» Relational Database Design and SQL » E-R Diagrams and Transformation to Relational Design

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Appeared in Year: 2013

MCQ▾

Question

Consider the following scheme:

Which of the following tuple relational calculus finds all customers who have loan amount more than Rs. 12,000? (September Paper-III)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 689

» Networks, Virtualization, & Cloud Computing » Network Security » Cryptography-Public Key, Secret Key

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Appeared in Year: 2013

MCQ▾

Question

If user A wants to send an encrypted message to user B. The plain text of A is encrypted with the ________. (September Paper-III)

Choices

Choice (4) Response

a.

Public Key of user B

b.

Private Key of user B

c.

Public Key of user A

d.

Private Key of user A

Question number: 690

» Programming in C and C Plus Plus » O-O Programming Concepts » Inheritance, Polymorphism, Abstraction, Encapsulation and Overloading

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Appeared in Year: 2013

MCQ▾

Question

________ allows to create classes which are derived from other classes, so that they automatically include some of its “parent’s” members, plus its own members. (December Paper-II)

Choices

Choice (4) Response

a.

Overloading

b.

Encapsulation

c.

Polymorphism

d.

Inheritance

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