CCST Cybersecurity Network Security Fundamentals

1. What is the primary benefit of encryption?

Prevents all cyber attacks

Protects data confidentiality

Increases network speed

Eliminates need for firewalls

2. Which of the following is NOT a common phishing technique?

Spoofed email addresses

Fake login pages

Legitimate security updates

Urgent action requests

3. What is the primary function of a demilitarized zone (DMZ)?

Prevent all external connections

Buffer between external and internal networks

Increase network bandwidth

Store encrypted data

4. Which access control model grants permissions based on user roles?

Discretionary Access Control

Mandatory Access Control

Role-Based Access Control

Attribute-Based Access Control

5. What is the main goal of a penetration test?

Destroy network infrastructure

Identify vulnerabilities before attackers do

Increase network traffic

Train employees on phishing

6. Which type of firewall inspects packet content?

Stateless firewall

Stateful firewall

Deep packet inspection firewall

Proxy firewall

7. What does NIST stand for?

National Institute of Security Technology

National Institute of Standards and Technology

Network Information Security Team

National Information Systems Training

8. Which of the following is a characteristic of a strong password?

Contains only numbers

At least 8 characters with mixed case and symbols

Same as username

Written down for easy access

9. What is social engineering in cybersecurity?

Manipulating people to divulge confidential information

Building secure social media platforms

Analyzing social networks for threats

Engineering secure communication protocols

10. Which protocol is commonly used for secure remote access?

Telnet

SSH

HTTP

DNS

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

Encrypt all network traffic

Monitor and control incoming and outgoing network traffic

Authenticate user credentials

Scan for malware on endpoints

12. Which type of malware replicates itself across networks?

Trojan horse

Spyware

Worm

Ransomware

13. What does VPN stand for?

Virtual Private Network

Very Protected Network

Verified Private Node

Virtual Protocol Network

14. Which authentication method provides the highest security level?

Single-factor authentication

Two-factor authentication

Multi-factor authentication

Biometric authentication alone

15. What is the purpose of network segmentation?

Increase network speed

Isolate network sections to limit breach impact

Reduce bandwidth usage

Simplify network configuration

16. Which of the following best describes a zero-day vulnerability?

A vulnerability known for zero seconds before patching

An unpatched vulnerability unknown to vendors

A vulnerability affecting zero users

A vulnerability in legacy systems only

17. What is the main function of an intrusion detection system (IDS)?

Prevent all network attacks

Monitor network traffic for suspicious activity

Encrypt sensitive data

Manage user access permissions

18. Which protocol is used to securely transmit data over the internet?

HTTP

FTP

HTTPS

SMTP

19. What does CIA stand for in cybersecurity?

Central Intelligence Agency

Confidentiality, Integrity, Availability

Cyber Incident Assessment

Critical Infrastructure Analysis

20. Which of the following is an example of a Layer 3 attack?

SQL injection

DDoS attack

Man-in-the-middle

Buffer overflow

CCST Cybersecurity Network Security Fundamentals Quiz