eJPT Network Security & Vulnerability

Question 1

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

Accepted Answer

To prevent unauthorized access to or from a private network.

Answer

To monitor internet traffic only.

Answer

To block all internet traffic.

Answer

To optimize network speed.

Question 2

What is the difference between an IDS and an IPS in network security?

Accepted Answer

IDS monitors while IPS monitors and blocks attacks.

Answer

IDS is used for securing data, while IPS secures the network.

Answer

There is no difference; they serve the same purpose.

Answer

IPS monitors network traffic, while IDS detects attacks on the operating system.

Question 3

What is the main goal of penetration testing?

Accepted Answer

To find and fix vulnerabilities in a network or system.

Answer

To test the hardware for durability.

Answer

To improve the speed of the network.

Answer

To test the system for regular usage.

Question 4

Which of the following is an example of a DDoS (Distributed Denial of Service) attack?

Accepted Answer

Flooding a server with traffic to cause disruption.

Answer

Injecting malware into a network.

Answer

Hacking into a password-protected system.

Answer

Attempting to steal sensitive data.

Question 5

What is the purpose of network encryption?

Accepted Answer

To prevent unauthorized access to data during transmission.

Answer

To increase the speed of the network.

Answer

To make the network more efficient.

Answer

To prevent network failures.

Question 6

What is social engineering in the context of cybersecurity?

Accepted Answer

Manipulating individuals into disclosing confidential information.

Answer

Using technology to intercept network traffic.

Answer

Exploring networks using automated scripts.

Answer

Running a virus scan to check for vulnerabilities.

Question 7

What is the function of a VPN (Virtual Private Network)?

Accepted Answer

To create a secure connection to a remote network.

Answer

To increase internet speed.

Answer

To monitor online activity.

Answer

To bypass firewalls and access restricted content.

Question 8

What is a vulnerability assessment in network security?

Accepted Answer

A process to identify and fix security weaknesses.

Answer

A test to improve network performance.

Answer

A check to improve the hardware configuration.

Answer

A procedure to recover lost data.

Question 9

What does the term 'phishing' refer to in cybersecurity?

Accepted Answer

Sending emails that trick individuals into providing personal information.

Answer

Trying to break into a network using brute force.

Answer

Monitoring network traffic to intercept data.

Answer

Accessing restricted data without permission.