WorksheetsComputer Networks & Cybersecurity Quiz
Total questions: 30
Worksheet time: 15mins
Which of the following is the main function of a computer network?
Store files locally
Enable communication and resource sharing
Prevent malware infections
Encrypt all data by default
What does IP stand for?
Internet Protocol
Internal Program
Information Packet
Interconnected Processing
A MAC address operates at which OSI layer?
Layer 1 – Physical
Layer 2 – Data Link
Layer 3 – Network
Layer 4 – Transport
Which type of IP address is globally unique and routable on the internet?
Private IP
Public IP
Loopback IP
Reserved IP
Which device connects different networks together?
Switch
Hub
Router
Repeater
Which of the following is an example of a Private IP address?
172.31.25.6
8.8.8.8
156.214.33.12
1.1.1.1
Which is NOT a common topology in computer networks?
Star
Mesh
Ring
Stack
The primary purpose of firewalls is:
Encrypt user data
Block unauthorized traffic
Replace antivirus software
Manage DNS requests
Which of the following is a network security principle?
High Availability
Confidentiality, Integrity, Availability (CIA)
Redundancy only
Encryption only
Which protocol is used for secure browsing?
HTTP
HTTPS
FTP
Telnet
Which type of attack attempts to make a service unavailable by overwhelming it with requests?
Phishing
Man-in-the-Middle
DoS/DDoS
Spoofing
In networking, which term refers to the practice of dividing networks into smaller segments for security and efficiency?
Encryption
Segmentation
Forwarding
Spoofing
Which network device operates at Layer 2 of the OSI model?
Router
Switch
Firewall
Gateway
Which of the following is the loopback IP address?
192.168.1.1
255.255.255.255
127.0.0.1
10.0.0.1
Which is NOT an example of a cyber threat?
Malware
Phishing
Load Balancing
DDoS
Which malware spreads automatically without user action?
Virus
Worm
Trojan
Spyware
A program that disguises itself as legitimate software but contains malicious code is:
Worm
Trojan
Backdoor
Adware
Which type of malware encrypts files and demands payment?
Ransomware
Adware
Virus
Worm
Hackers supported by governments are known as:
Hacktivists
Script Kiddies
Nation-State Actors
Cybercriminals
Which type of threat actor is motivated by political or social agendas?
Hacktivists
Script Kiddies
Nation-State
Cybercriminals
Which threat actor uses pre-built tools without much technical knowledge?
Insider
Script Kiddie
Hacktivist
Nation-State Actor
Which attack tricks users into providing sensitive information via fake emails or websites?
DDoS
Phishing
Spoofing
SQL Injection
Smishing is phishing done via:
Voice calls
SMS messages
Social media posts
Which type of phishing specifically targets high-level executives?
Spear Phishing
Clone Phishing
Whaling
Vishing
Which is an example of a Zero-Day Attack?
Exploiting a vulnerability before the vendor releases a patch
Launching a phishing email campaign
DDoS using IoT botnets
Insider accidentally sharing data
Which attack floods a system with traffic from multiple devices?
DoS
DDoS
Phishing
APT
Which framework includes “Identify, Protect, Detect, Respond, Recover”?
ISO 27001
GDPR
NIST Cybersecurity Framework
SOC 2
Which standard is an international certification for Information Security Management?
NIST
ISO 27001
PCI-DSS
COBIT
Which threat is characterized by being long-term, stealthy, and sophisticated, often sponsored by nations?
APT (Advanced Persistent Threat)
Phishing
Worm
Ransomware
According to reports, what percentage of breaches involve the human element?
25%
50%
82%
95%
