Deck 9: Cryptography and Network Security

Question 1

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

A)p
B)q
C)n
D)r

Answer 1

n

Question 2

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

A) (p)/(q)
B) (p)(q)
C)(p-1)(q-1)
D) (p+1)(q+1)

Answer 2

(p-1)(q-1)

Question 3

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

Answer 3

False

Question 4

RSA is also a stream cipher like Merkel-Hellman.

Question 5

USENET falls under which category of public key sharing?

A)public announcement
B)publicly available directory
C)public key authority
D)public key certificate

Question 6

PGP makes use of which cryptographic algorithm?

A)rsa
B)aes
C)des
D)robin

Question 7

ECC stands for

A)elliptic curve cryptography
B)elliptic cryptography curve
C)error correcting code
D)none of the above

Question 8

Diffie-Hellman algorithm is widely known as_________

A)key exchange algorithm
B)key agreement algorithm
C)only a
D)both a and b

Question 9

Hash function is used for________

A)message authentication
B)digital signature
C)both a and b
D)only a

Question 10

RSA algorithm is best example of_______

A)asymmetric key cryptography
B)symmetric key cryptography
C)elliptic curve cryptography
D)all of the above

Question 11

In tunnel mode, IPSec protects the ______

A)entire ip packet
B)ip header
C)ip payload
D)ip trailer

Question 12

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

Question 13

SSL primarily focuses on _______

A)integrity and authenticity
B)integrity and non-repudiation
C)authenticity and privacy
D)confidentiality and integrity

Question 14

Pretty good privacy (PGP) is used in ______

A)browser security
B)email security
C)wifi security
D)ftp security

Question 15

__________ is used for encrypting data at network level

A)ipsec
B)https
C)smtp
D)s/mime

Question 16

WPA2 is used for security in _______

A)ethernet
B)wi-fi
C)bluetooth
D)e-mail

Question 17

Which of the following is not a strong security protocol

A)ssl
B)httpl
C)smtp
D)sftp

Question 18

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

Question 19

IPSec operates in______________. different modes

A)3
B)2
C)4
D)5

Question 20

Internet Key Exchange has ______________ phases and modes of operations

A)4
B)3
C)2
D)5

Question 21

PGP is abbreviated as

A)pretty good privacy
B)pretty good policy
C)policy good privacy
D)pretty good protection

Question 22

SET stands for

A)set electronic transaction
B)secure electronic transaction
C)simple electronic transaction
D)none of the above