Deck 7: Cryptography and Security Measures in Network Communication

Question 1

In tunnel mode, IPSec protects the ______

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

Answer 1

entire ip packet

Question 2

Pretty good privacy (PGP) is used in ______

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

Answer 2

email security

Question 3

PGP encrypts data by using a block cipher called ______

A)international data encryption algorithm
B)private data encryption algorithm
C)internet data encryption algorithm
D)local data encryption algorithm

Answer 3

international data encryption algorithm

Question 4

IKE creates SAs for _____.

A)ssl
B)pgp
C)ipsec
D)vp

Question 5

SSL provides _________.

A)message integrity
B)confidentiality
C)compression
D)all of the above

Question 6

IKE uses _______

A)oakley
B)skeme
C)isakmp
D)all of the above

Question 7

In ______, there is a single path from the fully trusted authority to any certificate.

A)x509
B)pgp
C)kdc
D)none of the above

Question 8

_______ uses the idea of certificate trust levels.

A)x509
B)pgp
C)kdc
D)none of the above

Question 9

________ provides privacy, integrity, and authentication in e-mail.

A)ipsec
B)ssl
C)pgp
D)none of the above

Question 10

In _____, there can be multiple paths from fully or partially trusted authorities.

A)x509
B)pgp
C)kdc
D)none of the above

Question 11

______ provides authentication at the IP level.

A)ah
B)esp
C)pgp
D)ssl

Question 12

In _______, the cryptographic algorithms and secrets are sent with the message.

A)ipsec
B)ssl
C)tls
D)pgp

Question 13

______ was invented by Phil Zimmerman.

A)ipsec
B)ssl
C)pgp
D)none of the above

Question 14

ISAKMP stands for ______

A)internet system association and key management packet
B)internet security association and key management protocol
C)interchange system and key modeling protocol
D)internet security association and key modeling protocol

Question 15

PGP makes use of which cryptographic algorithm?

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

Question 16

What is the key size allowed in PGP?

A)1024-1056
B)1024-4056
C)1024-4096
D)1024-2048

Question 17

In SSL, what is used for authenticating a message?

A)mac (message access code)
B)mac (message authentication code)
C)mac (machine authentication code)
D)mac (machine access code)

Question 18

Security Measures Needed to protect ________ during their transmission

A)file
B)data
C)packet
D)all of above

Question 19

__________ means knowledge obtained from investigation, study , intelligence new ,facts .

A)security
B)data
C)information
D)none of these

Question 20

Protection against Denial by one of these parties in a communication refers to?

A)non-repudiation
B)data integrity
C)authentication
D)none of these

Question 21

Which One of them is Passive attack?

A)denial of service
B)modify message in transit
C)replay previous message
D)obtain message contain

Question 22

What is lying of IP address called as?

A)ip spoofing
B)ip scamming
C)ip lying
D)none of theses

Question 23

What is full form of DDoS?

A)derived denial of service
B)distributed denial of service
C)denial of service
D)none of these