Network Security L3

What is the process of checking that the computer and the user are allowed to access content?

• Authentication

• Firewall

• Encryption

• Decryption

What is the term for the original message to be encrypted?

• Public key

• Plaintext

• Key

• Ciphertext

Which encryption technique uses a single key for both encryption and decryption?

• Asymmetric encryption

• Caesar shift cipher

• Symmetric encryption

• Public key encryption

What is the purpose of a firewall in a network?

• To block malicious network traffic

• To filter MAC addresses

• To authenticate users

• To encrypt data

What is the purpose of MAC address filtering in a wireless router?

• To monitor network traffic

• To block specific devices

• To authenticate users

• To encrypt data

Which wireless encryption standard is considered more secure than WEP?

• HTTPS

• WPA2

• WPA

• WEP

What is the term for the unique hex number assigned to all Network Interface Cards?

• MAC address

• Plaintext

• Key

• Ciphertext

What is the earliest known substitution cipher invented by Julius Caesar?

• Asymmetric encryption

• Caesar shift cipher

• Public key encryption

• Symmetric encryption

What is the term for the process of converting plaintext into ciphertext?

• Encryption

• Decryption

• Authentication

• Firewall

What is the most common method of securing communications with websites?

• HTTPS

• Public key encryption

• MAC address filtering

• Symmetric encryption