NCO- Cyber Olympiad (SOF) Class 12: Questions 224 - 229 of 520

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Question number: 224

» Mental Ability » Number Games

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MCQ▾

Question

Find out the missing number.

Find out the missing number.

Find Out the Missing Number

Choices

Choice (4)Response

a.

27

b.

20

c.

43

d.

45

Question number: 225

» Computer » Network Security Concepts

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MCQ▾

Question

MAC is a short piece of information that protects both a message’s data integrity as well as its authenticity. Here, MAC stands for ________.

Choices

Choice (4)Response

a.

Message Authentication Channel

b.

Message Authentication Computation

c.

Message Authentication Cryptography

d.

Message Authentication Code

Question number: 226

» Computer » Network Security Concepts

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MCQ▾

Question

What kind of attempts is made by individuals to obtain confidential information from a person by falsifying their identity?

Choices

Choice (4)Response

a.

Computer viruses

b.

Spyware scams

c.

Phishing scams

d.

Question does not provide sufficient data or is vague

Question number: 227

» Computer » Networking & Topologies

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MCQ▾

Question

Which of the following LAN Network does NOT Require a Network Interface Card?

Choices

Choice (4)Response

a.

Peer-to-Peer

b.

Zero-Slot

c.

Dedicated Server

d.

All of the above

Question number: 228

» Computer » Networking & Topologies

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MCQ▾

Question

Which of the following is known as internet worm, distributed via the internet to guage internet’s size?

Choices

Choice (4)Response

a.

Brain

b.

Graybird

c.

Morris

d.

Creeper

Question number: 229

» Computer » Database Concepts

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MCQ▾

Question

Which of the following data integrity constraint ensures that no duplicate rows exists in a table?

Choices

Choice (4)Response

a.

Entry

b.

User-defined

c.

Entity

d.

Referential

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