Encryption and Decryption

Encryption and Decryption

10th Grade

28 Qs

quiz-placeholder

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Encryption and Decryption

Encryption and Decryption

Assessment

Quiz

Computers

10th Grade

Hard

Created by

Keir Strahan

Used 4+ times

FREE Resource

28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of encryption in data protection?

To increase data size

To make data public

To protect data by converting it into a secure format

To permanently delete data

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is required to decrypt the data that has been encrypted?

Public key

Antivirus software

Private key

User password

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is plaintext in the context of encryption?

A series of randomized letters and numbers

The original message before encryption

The encrypted message that is unreadable

A type of encryption algorithm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does ciphertext represent in encryption?

The decrypted message

The original unencrypted message

The encrypted message that is unreadable

The key used for encryption

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many letters does the encryption key move in the provided example?

22 letters

4 letters

26 letters

10 letters

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the decryption key in the example provided?

4

22

26

10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the plaintext message for the ciphertext "KHOOR ZRUOG" if a simple Caesar cipher was used for encryption?

HELLO WORLD

WELCOME HOME

GOOD MORNING

QUICK BROWN

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