Assignment6
Quiz
•
Computers
•
University
•
Easy
Ahmed Elbeltagy
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process of converting plaintext into ciphertext called?
Encryption
Decryption
Authentication
Authorization
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following are encryption methods ?
BitStream
Block Cipher
Both of them
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the main difference between a stream cipher and a block cipher?
Stream ciphers encrypt data in blocks while block ciphers encrypt data one bit at a time.
Stream ciphers encrypt data one bit at a time while block ciphers encrypt data in blocks.
Stream ciphers are faster than block ciphers.
Block ciphers are faster than stream ciphers.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
----------- algorithms are used to secure our digital communication and transactions.
cryptographic
Cryptic
Cryptographer
Cryptanalysis
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Block ciphers are generally more secure than bit stream ciphers ?
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bitstream ciphers are slower and less efficient ?
True
False
Answer explanation
Block ciphers is the correct one.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bitstream ciphers are generally faster and more efficient ?
True
False
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