Level 3

1- What is the primary purpose of a firewall in network security?

• A) To serve web pages

• B) To filter incoming and outgoing network traffic

• C) To provide a user interface for network settings

• D) To increase the network speed

2- Which of the following is a common method of network attack that firewalls protect against?

• A) Phishing

• B) Denial of Service (DoS)

• C) SQL Injection

• D) Cross-site Scripting (XSS)

3- A firewall that filters traffic based on the state of the connection is known as:

• A) Packet Filtering Firewall

• B) Stateful Inspection Firewall

• C) Proxy Firewall

• D) Next-Generation Firewall

4- Which of the following is an example of a physical security measure?

• A) Antivirus software

• B) Firewall

• C) Biometric authentication

• D) Encryption

5- What is the purpose of encryption in network security?

• A) To speed up data transfer

• C) To create a backup of data

• B) To convert data into a secure format

• D) To detect viruses

6- Which Windows feature helps to protect against spyware and unwanted software?

• A) Windows Defender

• B) Disk Cleanup

• C) Task Manager

• D) Control Panel

7- In Windows, what is the function of User Account Control (UAC)?

• A) Managing user accounts

• B) Controlling user permissions

• C) Facilitating user logins

• D) Monitoring user activity

8- What is the purpose of Windows Defender?

• A) Disk cleanup

• B) Anti-malware protection

• C) Internet browsing

• D) File compression

9- What is the primary goal of network security?

• A) Performance enhancement

• B) Ensuring availability

• C) Data confidentiality

• D) Cost reduction

10- BitLocker is used for:

• A) Disk defragmentation

• B) Data encryption

• C) User authentication

• D) Performance monitoring