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Assignment6

Authored by Ahmed Elbeltagy

Computers

University

Used 4+ times

Assignment6
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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

Media Image

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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