CNS Quiz 1- D15C

Message________means that the sender and the receiver expect privacy.

• Confidentiality

• Integrity

• Authentication

• Authority

Digital Signature provides _______.

• a) Authentication

• b) Non Repudiation

• Both (a) and (b)
• Neither (a) nor (b)

________ is a popular session key creator protocol that requires an authentication server & ticket granting server..

• TGT
• Certificate Authority
• Kerbereos
• KDC

In an asymmetric cipher sender uses __________ key for encryption.

• Public Key
• Private Key
• Secret Key
• Sub-Key

A ________ is a keyless transposition cipher with N inputs and M outputs that uses a formula to define the relationship between the input and output stream.

• S-box
• P-box
• T-box
• None of the above

Parallelism is not possible in ______.

• CFB
• ECB
• CBC
• None of the above

The Caesar Cipher is a ________ cipher that has a key of 3.

• transposition
• additive
• shift
• asymmetric

In a single round of AES, ________ is the variable input

• S box
• Mix Column Matrix
• P box
• Round Key

_________ seeks to make the relationship between the statistics of the ciphertext and the value of the encryption key as complex as possible.

• Confusion
• Diffusion
• Retention
• None of the above

What is the primary difference between a virus and worm?

• A virus requires user action to spread, whereas a worms spreads independently.
• A worm requires user action to spread, whereas a virus spreads independently
• A virus disguises itself as a legitimate program, while a worm does not.
• A worm encrypts files, while a virus does not.