WorksheetsCNS MODEL EXAM SET II - PART B
Total questions: 10
Worksheet time: 20mins
The Hashed Message Authentication Code (HMAC) _____.
encrypts only the message
encrypts only the key
encrypts the key and the message
encrypts the DHE key only
What is the latest version of the Secure Hash Algorithm?
SHA-2
SHA-3
SHA-4
SHA-5
Which of these is the strongest symmetric cryptographic algorithm?
Data Encryption Standard
Triple Data Encryption Standard
Advanced Encryption Standard
RC 1
Why computer virus is so dangerous ?
It could create a new system inside the old one
It could create data damage
It will help you to spend your time
It could make you richer and famous in a short time
A computer virus can spread through:
E-mails
Pen drives
Both a and b
None of these
VIRUS Full Form.
Vital Info Resources Under Seize
Very Information Resources Under Seize
Vital Information Resources Under Seize
Vital Information Resources Under Seiz
When a hash function is used to provide message authentication, the hash function value is referred to as
a) Message Field
b) Message Digest
c) Message Score
d) Message Leap
Another name for Message authentication codes is
a)cryptographic codebreak
b) cryptographic codesum
c) cryptographic checksum
d) cryptographic checkbreak
For any given hash value h , it is computationally infeasible to find y such that H(y)=h is called.
One way property
two way property
Strong collision resistant
weak collision resistant
We are using hash functions mainly to provide
confidentiality
integrity
authentication
availability
