Which type of Ethernet framing is used for TCP/IP and DEC net?

A. Ethernet 802.3
B. Ethernet 802.2
C. Ethernet ii
D. Ethernet snap

Cryptographic hash function takes an arbitrary block of data and returns _________

A. Fixed size bit string
B. Variable size bit string
C. Both fixed size bit string and variable size bit string
D. Variable sized byte string

ElGamal encryption system is __________

A. Symmetric key encryption algorithm
B. Asymmetric key encryption algorithm
C. Not an encryption algorithm
D. Block cipher method

Voice privacy in GSM cellular telephone protocol is provided by _______

A. A5/2 cipher
B. B5/4 cipher
C. B5/6 cipher
D. B5/8 cipher

Which one of the following is a cryptographic protocol used to secure HTTP connection?

A. Stream control transmission protocol (sctp)
B. Transport layer security (tls)
C. Explicit congestion notification (ecn)
D. Resource reservation protocol

Cryptanalysis is used __________

A. To find some insecurity in a cryptographic scheme
B. To increase the speed
C. To encrypt the data
D. To make new ciphers

What is data encryption standard (DES)?

A. Block cipher
B. Stream cipher
C. Bit cipher
D. Byte cipher

In cryptography, the order of the letters in a message is rearranged by __________

A. Transpositional ciphers
B. Substitution ciphers
C. Both transpositional ciphers and substitution ciphers
D. Quadratic ciphers

Which one of the following algorithm is not used in asymmetric-key cryptography?

A. Rsa algorithm
B. Diffie-hellman algorithm
C. Electronic code book algorithm
D. Dsa algorithm

In asymmetric key cryptography, the private key is kept by __________

A. Sender
B. Receiver
C. Sender and receiver
D. All the connected devices to the network