Network Security Flashcard

Front

What is the main purpose of authentication in network security?

Back

To verify the identity of a user or device before granting access

Front

Which of the following best describes encryption?

Back

Converting data into a format that only authorized users can read

Front

How does a firewall improve network security?

Back

It monitors and controls incoming and outgoing network traffic based on security rules

Front

What does MAC address filtering do?

Back

Blocks or allows network access based on the physical address of a device

Front

Amelia wants to ensure only her family can log into her Wi-Fi network. Which security method should she use? Options: Encryption, Firewall, Authentication, MAC address filtering.

Back

Authentication

Front

Why is encryption important for network security?

Back

It prevents unauthorized access to data even if intercepted

Front

Which of the following is NOT a function of a firewall?

• Blocking or allowing network traffic based on rules
• Encrypting data before transmission
• Monitoring network traffic for suspicious activity
• Preventing unauthorized access to a private network

Back

Encrypting data before transmission

Front

How can MAC address filtering enhance network security?

Back

It prevents unauthorized devices from connecting to the network

Front

Which of the following statements about firewalls is true?

Back

They can block specific types of network traffic based on predefined security rules

Front

Which security methods can prevent unauthorized users from accessing a network remotely? Options: Firewall, MAC address filtering, Authentication, All of the above

Back

All of the above