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chpt_17 Security CAIE Computer Science Quiz

Authored by Peter Kamara

Computers

11th Grade

Used 2+ times

chpt_17 Security CAIE Computer Science Quiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the working principle of symmetric encryption.

Symmetric encryption uses a different key for encryption and decryption.

Symmetric encryption does not require any key for encryption and decryption.

Symmetric encryption uses the same key for both encryption and decryption.

Symmetric encryption uses a public key for encryption and a private key for decryption.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is symmetric encryption?

A type of encryption that can only be used for text-based data

A type of encryption where different keys are used for encryption and decryption

A type of encryption where the same key is used for both encryption and decryption

A type of encryption that doesn't require a key

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is asymmetric encryption?

A type of encryption that is extremely easy to break

A type of encryption using only one key to encrypt and decrypt data

A type of encryption that is no longer used in modern technology

A type of encryption using a pair of keys (public and private) to encrypt and decrypt data

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does asymmetric encryption differ from symmetric encryption?

Asymmetric encryption is faster than symmetric encryption.

Asymmetric encryption uses the same key for both encryption and decryption.

Asymmetric encryption uses a pair of public and private keys.

Asymmetric encryption does not require any keys.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of Transport Layer Security (TLS) in network security?

To make network communication less secure

To provide secure communication over a computer network.

To provide faster internet speed

to enable VPN to work

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a digital certificate and how is it used in the context of security?

It is a form of encryption used to hide sensitive information

It is a type of physical key used to unlock digital files

It is a secure software program that protects against computer hacking

It is a digital document that verifies the identity of a website or individual and is used to establish secure connections and authenticate identities.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does PKI ensure secure communication?

By using digital certificates to authenticate and encrypt data

By using plain text to transmit data

By sharing private keys openly

By using weak encryption algorithms

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