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INTRO Encryption and Decryption Quiz

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INTRO Encryption and Decryption Quiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of encryption?

Data storage

Protecting data by converting it into an unreadable format

Accelerating data transfer

Improving data compression

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Decryption is the process of:

Encrypting data using a public key

Converting encrypted data back into its original format

Deleting encrypted files

Analyzing data for errors

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a common use of encryption?

Securing emails

Protecting passwords

Compressing files

Encrypting files for secure storage

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Symmetric encryption uses:

A pair of keys for encryption and decryption

A single key for both encryption and decryption

Hash functions for data encoding

Multiple keys depending on the file size

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of asymmetric encryption?

RSA

DES

AES

Blowfish

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key length used in DES encryption?

64 bits

128 bits

56 bits

32 bits

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Data Encryption Standard (DES) is primarily used for:

Hashing passwords

Encrypting block data

Wireless communications

Secure web browsing

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