CompTIA Network+ Network Security

Question 1

Which of the following is an example of network segmentation?

Accepted Answer

Using VLANs to separate departments in an organization

Answer

Applying a firewall to block unauthorized access

Answer

Encrypting data during transmission

Answer

Configuring DHCP to assign IP addresses

Question 2

What is the purpose of a firewall in a network?

Accepted Answer

To filter and monitor incoming and outgoing network traffic

Answer

To provide physical security for network devices

Answer

To assign IP addresses to devices

Answer

To optimize network performance

Question 3

Which type of attack involves sending a flood of packets to overwhelm a target's resources?

Accepted Answer

Denial of Service (DoS)

Answer

Phishing

Answer

Man-in-the-Middle (MITM)

Answer

SQL Injection

Question 4

What protocol is commonly used for secure remote access to network devices?

Accepted Answer

SSH

Answer

Telnet

Answer

FTP

Answer

HTTP

Question 5

What is the primary purpose of a VPN?

Accepted Answer

To encrypt and secure connections over public networks

Answer

To increase wireless signal range

Answer

To enable load balancing on a network

Answer

To monitor traffic for malicious activity