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Encryption

Total questions: 15

Worksheet time: 12mins

Name
Class
Date
1.

Type of Encryption: If the same key is used to encrypt and decrypt a message, this is known as? 

(a)  

2.

 

What type of key can be freely shared with anyone so that they can encrypt a message?

(a)  

3.

the process of converting information or data into a code, especially to prevent unauthorized access

(a)  

4.

True or False.

An encryption key is used to help decrypt messages.

a)
True
b)

False

5.

 

Taking a secret message and reproducing the original plain text is known as?

(a)  

6.

True or False.

Asymmetric encryption uses only 1 key

a)
False
b)

True

7.

 

Information that is readable without performing any cryptographic operations.

(a)  

8.

The process of converting plaintext to ciphertext.

(a)  

9.

 

A string of text that has been converted to a secure form using encryption.

(a)  

10.

 

The process of converting a ciphertext into plaintext.

(a)  

11.

 

Encryption is a way of __________________

a)

Hacking Passwords

b)

Securing Information on a network

c)

Securing Viruses

d)

Deleting Application

12.

Give 2 reason why we use Encryption based on the discussion

a)
Authentication
b)

Efficiency

c)

Scalability

d)
Accountability
13.

Which of the following best describes encryption?

a)

A process of hiding data so it cannot be accessed or understood without proper authorization.

b)

A method for compressing data to save storage space.

c)

A technique for converting data into a different format for easier transmission.

d)

A way to increase the speed of data transmission over a network.

14.

In public key cryptography, what is the private key used for?

a)

Encrypting data

b)

Decrypting data

c)

Verifying digital signatures

d)

Generating digital signatures

15.

What is the primary purpose of encryption in computer security?

a)

Preventing data loss

b)

Ensuring data availability

c)

Protecting data confidentiality

d)

Accelerating data transmission