Information Cyber Security (ICS) Solved MCQs

Computer security, cybersecurity or information technology security is the protection of computer systems and networks from information disclosure, theft of or damage to their hardware, software, or electronic data, as well as from the disruption or misdirection of the services they provide

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

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

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