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Computer Networks & Cybersecurity Quiz

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Which of the following is the main function of a computer network?

a)

Store files locally

b)

Enable communication and resource sharing

c)

Prevent malware infections

d)

Encrypt all data by default

2.

What does IP stand for?

a)

Internet Protocol

b)

Internal Program

c)

Information Packet

d)

Interconnected Processing

3.

A MAC address operates at which OSI layer?

a)

Layer 1 – Physical

b)

Layer 2 – Data Link

c)

Layer 3 – Network

d)

Layer 4 – Transport

4.

Which type of IP address is globally unique and routable on the internet?

a)

Private IP

b)

Public IP

c)

Loopback IP

d)

Reserved IP

5.

Which device connects different networks together?

a)

Switch

b)

Hub

c)

Router

d)

Repeater

6.

Which of the following is an example of a Private IP address?

a)

172.31.25.6

b)

8.8.8.8

c)

156.214.33.12

d)

1.1.1.1

7.

Which is NOT a common topology in computer networks?

a)

Star

b)

Mesh

c)

Ring

d)

Stack

8.

The primary purpose of firewalls is:

a)

Encrypt user data

b)

Block unauthorized traffic

c)

Replace antivirus software

d)

Manage DNS requests

9.

Which of the following is a network security principle?

a)

High Availability

b)

Confidentiality, Integrity, Availability (CIA)

c)

Redundancy only

d)

Encryption only

10.

Which protocol is used for secure browsing?

a)

HTTP

b)

HTTPS

c)

FTP

d)

Telnet

11.

Which type of attack attempts to make a service unavailable by overwhelming it with requests?

a)

Phishing

b)

Man-in-the-Middle

c)

DoS/DDoS

d)

Spoofing

12.

In networking, which term refers to the practice of dividing networks into smaller segments for security and efficiency?

a)

Encryption

b)

Segmentation

c)

Forwarding

d)

Spoofing

13.

Which network device operates at Layer 2 of the OSI model?

a)

Router

b)

Switch

c)

Firewall

d)

Gateway

14.

Which of the following is the loopback IP address?

a)

192.168.1.1

b)

255.255.255.255

c)

127.0.0.1

d)

10.0.0.1

15.

Which is NOT an example of a cyber threat?

a)

Malware

b)

Phishing

c)

Load Balancing

d)

DDoS

16.

Which malware spreads automatically without user action?

a)

Virus

b)

Worm

c)

Trojan

d)

Spyware

17.

A program that disguises itself as legitimate software but contains malicious code is:

a)

Worm

b)

Trojan

c)

Backdoor

d)

Adware

18.

Which type of malware encrypts files and demands payment?

a)

Ransomware

b)

Adware

c)

Virus

d)

Worm

19.

Hackers supported by governments are known as:

a)

Hacktivists

b)

Script Kiddies

c)

Nation-State Actors

d)

Cybercriminals

20.

Which type of threat actor is motivated by political or social agendas?

a)

Hacktivists

b)

Script Kiddies

c)

Nation-State

d)

Cybercriminals

21.

Which threat actor uses pre-built tools without much technical knowledge?

a)

Insider

b)

Script Kiddie

c)

Hacktivist

d)

Nation-State Actor

22.

Which attack tricks users into providing sensitive information via fake emails or websites?

a)

DDoS

b)

Phishing

c)

Spoofing

d)

SQL Injection

23.

Smishing is phishing done via:

a)

Voice calls

b)

SMS messages

c)

Email

d)

Social media posts

24.

Which type of phishing specifically targets high-level executives?

a)

Spear Phishing

b)

Clone Phishing

c)

Whaling

d)

Vishing

25.

Which is an example of a Zero-Day Attack?

a)

Exploiting a vulnerability before the vendor releases a patch

b)

Launching a phishing email campaign

c)

DDoS using IoT botnets

d)

Insider accidentally sharing data

26.

Which attack floods a system with traffic from multiple devices?

a)

DoS

b)

DDoS

c)

Phishing

d)

APT

27.

Which framework includes “Identify, Protect, Detect, Respond, Recover”?

a)

ISO 27001

b)

GDPR

c)

NIST Cybersecurity Framework

d)

SOC 2

28.

Which standard is an international certification for Information Security Management?

a)

NIST

b)

ISO 27001

c)

PCI-DSS

d)

COBIT

29.

Which threat is characterized by being long-term, stealthy, and sophisticated, often sponsored by nations?

a)

APT (Advanced Persistent Threat)

b)

Phishing

c)

Worm

d)

Ransomware

30.

According to reports, what percentage of breaches involve the human element?

a)

25%

b)

50%

c)

82%

d)

95%