CompTIA Certifications Practice Test, Questions & Answers

Recent CompTIA Certifications Quizzes

Segmentation Quiz: VLAN, DMZ or Air Gap?

This quiz evaluates your understanding of Network Segmentation (Security+) strategies, including VLANs, DMZs, and air gaps. Learn how organizations isolate network traffic, protect sensitive systems, and control access between...

Questions: 20 | Attempts: 14 | Last updated: Jul 2, 2026

Sample Question
Which network segmentation technique uses logical separation on a single physical switch to divide broadcast domains?

VLAN

DMZ

Air gap

Subnetting

Crypto Attack Quiz: Birthday, Collision or Downgrade?

This quiz evaluates your understanding of cryptographic attacks including birthday attacks, collision attacks, and downgrade attacks\u2014essential concepts for the Security+ certification. Master these Cryptographic Attacks...

Questions: 20 | Attempts: 10 | Last updated: Jul 2, 2026

Sample Question
What is the primary goal of a birthday attack in cryptography?

Find two different inputs that produce the same hash output

Compromise the birthday of a certificate holder

Exploit leap year dates in digital signatures

Reverse-engineer a one-way hash function

Password Attack Quiz: Brute Force or Rainbow Table?

This quiz evaluates your understanding of password attacks commonly tested in Security+ certification. Learn to distinguish between brute force attacks, rainbow tables, dictionary attacks, and other credential compromise...

Questions: 20 | Attempts: 10 | Last updated: Jul 2, 2026

Sample Question
What is a brute force attack?

Attempting all possible password combinations until access is gained

Using a precomputed table of password hashes to find matches

Guessing passwords based on common words or personal information

Intercepting network traffic to capture plaintext passwords

Malware Quiz: Worm, Trojan, RAT or Logic Bomb?

This quiz evaluates your understanding of common malware types central to Malware Analysis (Security+). You will distinguish between worms, trojans, remote access trojans (RATs), and logic bombs\u2014identifying their...

Questions: 20 | Attempts: 10 | Last updated: Jul 2, 2026

Sample Question
Which malware type self-replicates and spreads across networks without requiring user interaction?

Trojan horse

Worm

Logic bomb

Rootkit

Vulnerability Quiz: Zero-Day, Misconfig or EOL?

Test your understanding of critical vulnerability types in cybersecurity. This quiz covers zero-day exploits, misconfigurations, and end-of-life systems\u2014essential concepts for the CompTIA Security+ exam. Learn to identify,...

Questions: 20 | Attempts: 11 | Last updated: Jul 2, 2026

Sample Question
A zero-day vulnerability is best defined as a security flaw that:

Has a known patch available but remains unpatched

Is unknown to the vendor and actively exploited before disclosure

Affects only legacy operating systems

Requires physical access to exploit

Threat Vector Quiz: How Do Attackers Get In?

This quiz evaluates your understanding of common Threat Vectors (Security+), the primary methods attackers use to compromise systems and networks. You'll explore phishing, malware, social engineering, network vulnerabilities, and...

Questions: 19 | Attempts: 10 | Last updated: Jul 2, 2026

Sample Question
Which of the following best describes a threat vector in the context of cybersecurity?

A mathematical model used to encrypt data

A method or path an attacker uses to gain unauthorized access to a system

A type of firewall rule that blocks malicious traffic

A backup procedure for recovering compromised data

Certificate Quiz: Wildcard, SAN or Self-Signed?

This quiz tests your understanding of certificate types and deployment scenarios in Certificate Management (Security+). You'll evaluate when to use wildcard certificates, Subject Alternative Names (SANs), and self-signed...

Questions: 20 | Attempts: 10 | Last updated: Jul 2, 2026

Sample Question
A wildcard certificate with the CN *.example.com can secure which of the following domains?

Mail.example.com and secure.example.com

Example.com and sub.mail.example.com

Example.com only

Mail.sub.example.com

Steganography Quiz: Can You Find the Hidden Data?

This quiz evaluates your understanding of steganography and data hiding techniques essential for Security+ certification. Steganography (Security+) focuses on concealing information within innocent-looking media to prevent...

Questions: 20 | Attempts: 10 | Last updated: Jul 2, 2026

Sample Question
What is the primary goal of steganography?

To encrypt data using mathematical algorithms

To hide the existence of secret information within innocent-looking media

To authenticate the origin of digital files

To compress files to reduce storage space

Hashing Quiz: Can You Master SHA-256, bcrypt & Salting?

Test your understanding of cryptographic hashing techniques essential for CompTIA Security+. This quiz covers SHA-256, bcrypt, and the critical role of Hashing & Salting in protecting passwords and data integrity. Learn how salt...

Questions: 20 | Attempts: 10 | Last updated: Jul 2, 2026

Sample Question
What is the primary purpose of adding a salt to a password hash?

To increase the hash output size

To prevent rainbow table attacks and ensure identical passwords hash differently

To make the hashing algorithm faster

To reduce storage requirements for password databases

Asymmetric Crypto Quiz: Can You Master RSA, ECC & Diffie-Hellman?

This quiz tests your understanding of Asymmetric Encryption (Security+) fundamentals, including RSA, ECC, and Diffie-Hellman key exchange. Designed for college-level learners, it covers public-key cryptography concepts, algorithm...

Questions: 20 | Attempts: 10 | Last updated: Jul 2, 2026

Sample Question
In RSA encryption, which two mathematical operations form the basis of the algorithm?

Prime factorization and modular exponentiation

Elliptic curve operations and hash functions

Diffie-Hellman exchange and symmetric keys

AES encryption and key derivation

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