380+ Information Cyber Security (ICS) Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) , Information Technology Engineering (IT) , Bachelor of Science in Animation SY (BSC [animation]) , Bachelor of Science in Animation (BSc animation) .

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201.	For RSA to work, the value of P must be less than the value of
A.	p
B.	q
C.	n
D.	r
Answer» C. n

202.	In RSA, Ф(n) = _______ in terms of p and q.
A.	(p)/(q)
B.	(p)(q)
C.	(p-1)(q-1)
D.	(p+1)(q+1)
Answer» C. (p-1)(q-1)

203.	In RSA, we select a value ‘e’ such that it lies between 0 and Ф(n) and it is relatively prime to Ф(n).
A.	true
B.	false
Answer» B. false

204.	RSA is also a stream cipher like Merkel-Hellman.
A.	true
B.	false
Answer» A. true

205.	USENET falls under which category of public key sharing?
A.	public announcement
B.	publicly available directory
C.	public key authority
D.	public key certificate
Answer» A. public announcement

206.	PGP makes use of which cryptographic algorithm?
A.	rsa
B.	aes
C.	des
D.	robin
Answer» A. rsa

207.	Public key cryptography also called as________
A.	asymmetric key cryptography
B.	symmetric key cryptography
C.	both a and b
D.	none of the above
Answer» A. asymmetric key cryptography

208.	ECC stands for
A.	elliptic curve cryptography
B.	elliptic cryptography curve
C.	error correcting code
D.	none of the above
Answer» A. elliptic curve cryptography

209.	Diffie-Hellman algorithm is widely known as_________
A.	key exchange algorithm
B.	key agreement algorithm
C.	only a
D.	both a and b
Answer» D. both a and b

210.	Hash function is used for________
A.	message authentication
B.	digital signature
C.	both a and b
D.	only a
Answer» C. both a and b

211.	RSA algorithm is best example of_______
A.	asymmetric key cryptography
B.	symmetric key cryptography
C.	elliptic curve cryptography
D.	all of the above
Answer» A. asymmetric key cryptography

212.	In tunnel mode, IPSec protects the ______
A.	entire ip packet
B.	ip header
C.	ip payload
D.	ip trailer
Answer» A. entire ip packet

213.	HTTPS is abbreviated as _________
A.	hypertexts transfer protocol secured
B.	secured hyper text transfer protocol
C.	hyperlinked text transfer protocol secured
D.	hyper text transfer protocol secure
Answer» D. hyper text transfer protocol secure

214.	An attempt to make a computer resource unavailable to its intended users is called ______
A.	denial-of-service attack
B.	virus attack
C.	worms attack
D.	botnet process
Answer» A. denial-of-service attack

215.	SSL primarily focuses on _______
A.	integrity and authenticity
B.	integrity and non-repudiation
C.	authenticity and privacy
D.	confidentiality and integrity
Answer» A. integrity and authenticity

216.	Pretty good privacy (PGP) is used in ______
A.	browser security
B.	email security
C.	wifi security
D.	ftp security
Answer» B. email security

217.	__________ is used for encrypting data at network level
A.	ipsec
B.	https
C.	smtp
D.	s/mime
Answer» A. ipsec

218.	WPA2 is used for security in _______
A.	ethernet
B.	wi-fi
C.	bluetooth
D.	e-mail
Answer» B. wi-fi

219.	Which of the following is not a strong security protocol
A.	ssl
B.	httpl
C.	smtp
D.	sftp
Answer» C. smtp

220.	TSL (Transport Layer Security) is a cryptographic protocol used for securing HTTP/HTTPS based connection.
A.	true
B.	false
Answer» A. true

221.	IPSec operates in..... different modes
A.	3
B.	2
C.	4
D.	5
Answer» B. 2

222.	length of the IPv4 address is ....
A.	32 bits
B.	64 bits
C.	16 bits
D.	128 bit
Answer» A. 32 bits

223.	Internet Key Exchange has .... phases and modes of operations
A.	4
B.	3
C.	2
D.	5
Answer» C. 2

224.	PGP is abbreviated as
A.	pretty good privacy
B.	pretty good policy
C.	policy good privacy
D.	pretty good protection
Answer» A. pretty good privacy

225.	SET stands for
A.	set electronic transaction
B.	secure electronic transaction
C.	simple electronic transaction
D.	none of the above
Answer» B. secure electronic transaction

380+ Information Cyber Security (ICS) Solved MCQs

For RSA to work, the value of P must be less than the value of

In RSA, Ф(n) = _______ in terms of p and q.

In RSA, we select a value ‘e’ such that it lies between 0 and Ф(n) and it is relatively prime to Ф(n).

RSA is also a stream cipher like Merkel-Hellman.

USENET falls under which category of public key sharing?

PGP makes use of which cryptographic algorithm?

Public key cryptography also called as________

ECC stands for

Diffie-Hellman algorithm is widely known as_________

Hash function is used for________

RSA algorithm is best example of_______

In tunnel mode, IPSec protects the ______

HTTPS is abbreviated as _________

An attempt to make a computer resource unavailable to its intended users is called ______

SSL primarily focuses on _______

Pretty good privacy (PGP) is used in ______

__________ is used for encrypting data at network level

WPA2 is used for security in _______

Which of the following is not a strong security protocol

TSL (Transport Layer Security) is a cryptographic protocol used for securing HTTP/HTTPS based connection.

IPSec operates in..... different modes

length of the IPv4 address is ....

Internet Key Exchange has .... phases and modes of operations

PGP is abbreviated as

SET stands for

Transport layer Protocol consists of ... main components

length of the IPv6 acddress is ....

IPSec provides ....protocols for network layer

length of the IPv6 header is....

CIA triad is also known as

of information means, only authorised users are capable of accessing the information.

means the protection of data from modification by unknown users.

When you use the word it means you are protecting your data from getting disclosed.

When integrity is lacking in a security system, occurs.

Why these 4 elements (confidentiality, integrity, authenticity & availability) are considered fundamental?

This helps in identifying the origin of information and authentic user. This referred to here as

Data is used to ensure confidentiality.

Data integrity gets compromised when and are taken control off.

is the practice and precautions taken to protect valuable information from unauthorised access, recording, disclosure or destruction.

From the options below, which of them is not a threat to information security?

Compromising confidential information comes under

The full form of OSI is OSI model is

In layer, vulnerabilities are directly associated with physical access to networks and hardware.

If communication between 2 people is overheard by a third person without manipulation of any data, it is called as:

If communication between 2 people is overheard by a third person without extraction of any data, it is called as:

The information that gets transformed in encryption is

A unique piece of information that is used in encryption.

Study of creating a d using encryption and decryption techniques.

An attack in which the user receives unwanted amount of e- mails.

In same keys are implemented for encrypting as well as decrypting the information.

226.	Transport layer Protocol consists of ... main components
A.	2
B.	1
C.	3
D.	4
Answer» A. 2

227.	length of the IPv6 acddress is ....
A.	32 bits
B.	64 bits
C.	16 bits
D.	128 bit
Answer» D. 128 bit

228.	IPSec provides ....protocols for network layer
A.	7
B.	3
C.	1
D.	4
Answer» A. 7

229.	length of the IPv6 header is....
A.	64 bits
B.	16 bits
C.	32 bits
D.	8 bits
Answer» C. 32 bits

230.	CIA triad is also known as
A.	nic (non-repudiation, integrity, confidentiality)
B.	aic (availability, integrity, confidentiality)
C.	ain (availability, integrity, non-repudiation)
D.	aic (authenticity, integrity, confidentiality)
Answer» B. aic (availability, integrity, confidentiality)

231.	of information means, only authorised users are capable of accessing the information.
A.	confidentiality
B.	integrity
C.	non-repudiation
D.	availability
Answer» A. confidentiality

232.	means the protection of data from modification by unknown users.
A.	confidentiality
B.	integrity
C.	authentication
D.	non-repudiation
Answer» B. integrity

233.	When you use the word it means you are protecting your data from getting disclosed.
A.	confidentiality
B.	integrity
C.	authentication
D.	availability
Answer» A. confidentiality

234.	When integrity is lacking in a security system, occurs.
A.	database hacking
B.	data deletion
C.	data tampering
D.	data leakage
Answer» C. data tampering

235.	Why these 4 elements (confidentiality, integrity, authenticity & availability) are considered fundamental?
A.	they help understanding hacking better
B.	they are key elements to a security breach
C.	they help understands security and its components better
D.	they help to understand the cyber-crime better
Answer» C. they help understands security and its components better