Network Security and Protocols Quiz

What is the primary purpose of encryption in network security?

• To increase network speed

• To reduce data storage requirements

• To make messages unreadable to unauthorized parties

• To prevent message interception

Which of the following is NOT a factor of authentication?

• Something you are

• Something you know

• Something you have

• Something you see

What is a simple method of encryption named after Julius Caesar?

• Caesar cipher

• RSA encryption

• Diffie-Hellman

• AES encryption

What is the role of a firewall in network security?

• To store user credentials

• To block unauthorized connections

• To increase network bandwidth

• To encrypt data

What does a MAC address uniquely identify?

• A piece of hardware on a network

• A network protocol

• A user account

• A software application

Which of the following is a method to limit devices on a network using MAC addresses?

• Blacklisting

• Data compression

• Encryption

• Port forwarding

What is the term for an unencrypted message?

• Encoded text

• Hashed text

• Plaintext

• Ciphertext

Which of the following is a physical part of a computer system?

• Software

• Firewall

• Hardware

• Protocol

What is the process of verifying the identity of a user called?

• Validation

• Authorization

• Authentication

• Encryption

Which of the following is an example of 'something you know' in authentication?

• Fingerprint

• Password

• Swipe card

• Username