CompTIA Certifications Practice Test, Questions & Answers

Recent CompTIA Certifications Quizzes

App Attack Quiz: Can You Master Buffer Overflow & Injection?

Master the fundamentals of Application Attacks (Security+) with this college-level quiz. Test your understanding of buffer overflow vulnerabilities, injection attacks, and other critical application security threats. Learn to...

Questions: 20 | Attempts: 10 | Last updated: Jul 1, 2026

Sample Question
What is a buffer overflow attack?

Writing data beyond allocated memory boundaries to overwrite adjacent memory

Flooding a network with excessive traffic to cause denial of service

Intercepting unencrypted data in transit between systems

Exploiting weak password policies to gain unauthorized access

Wireless Attack Quiz: Evil Twin or Deauth?

This quiz tests your understanding of Wireless Attacks (Security+) including evil twin networks, deauthentication attacks, and related threats. You'll evaluate attack vectors, defense mechanisms, and real-world scenarios to...

Questions: 20 | Attempts: 10 | Last updated: Jul 1, 2026

Sample Question
What is an evil twin attack?

A rogue access point mimicking a legitimate network to intercept traffic

A virus that duplicates itself across wireless devices

An attack that floods a network with duplicate packets

A method to crack WPA3 encryption using brute force

Endpoint Security Quiz: Can You Master EDR, HIDS & Hardening?

This quiz evaluates your knowledge of Endpoint Security (Security+) fundamentals, including endpoint detection and response (EDR), host-based intrusion detection systems (HIDS), and system hardening techniques. Designed for...

Questions: 20 | Attempts: 14 | Last updated: Jul 1, 2026

Sample Question
What is the primary function of an Endpoint Detection and Response (EDR) solution?

Monitor and respond to threats on endpoints in real-time

Replace all antivirus software on a network

Encrypt all data at rest on devices

Manage user passwords across the organization

Firewall Quiz: Can You Master IDS vs IPS?

This quiz tests your understanding of firewalls, IDS, and IPS technologies essential for CompTIA Security+ certification. Explore the differences between intrusion detection and prevention systems, firewall rules, packet...

Questions: 20 | Attempts: 10 | Last updated: Jul 1, 2026

Sample Question
Which layer of the OSI model do stateless firewalls primarily operate on?

Layer 2 (Data Link)

Layer 3 (Network)

Layer 4 (Transport)

Layer 7 (Application)

IAM Quiz: Can You Master SSO, Federation & Provisioning?

This quiz evaluates your understanding of Identity & Access Management (Security+) concepts including single sign-on, federation, and provisioning. Test your knowledge of authentication protocols, identity verification methods,...

Questions: 20 | Attempts: 10 | Last updated: Jul 1, 2026

Sample Question
What is the primary benefit of Single Sign-On (SSO) in enterprise environments?

Users log in once and access multiple applications without re-entering credentials

It eliminates the need for password policies

It increases the number of authentication factors required

It removes the need for firewalls

Digital Signature Quiz: Can You Prove Integrity?

This quiz tests your understanding of Digital Signatures (Security+) and cryptographic mechanisms for verifying message authenticity and integrity. Learn how digital signatures use asymmetric encryption to prove that data has not...

Questions: 19 | Attempts: 13 | Last updated: Jul 1, 2026

Sample Question
Which cryptographic algorithm is commonly used to create digital signatures?

RSA

AES

MD5

SHA-256 alone

Hashing Quiz: MD5, SHA & Salting Decoded

Test your understanding of cryptographic hashing and security best practices. This quiz covers MD5, SHA algorithms, salting techniques, and their role in protecting data integrity. Ideal for Security+ candidates and those...

Questions: 20 | Attempts: 10 | Last updated: Jul 1, 2026

Sample Question
What is the primary purpose of a cryptographic hash function?

To encrypt data for confidentiality

To produce a fixed-size fingerprint that verifies data integrity

To generate random numbers for encryption keys

To compress files for storage

Encryption Quiz: AES, RSA or ECC?

Test your understanding of modern Encryption Algorithms (Security+) including AES, RSA, and ECC. This quiz covers symmetric encryption, asymmetric encryption, key sizes, security properties, and practical applications of these...

Questions: 20 | Attempts: 13 | Last updated: Jul 1, 2026

Sample Question
What is the block size of the AES encryption algorithm?

64 bits

128 bits

256 bits

512 bits

Zero Trust Quiz: Can You Verify Everything?

Test your understanding of Zero Trust Architecture (Security+) principles and implementation. This quiz covers identity verification, least privilege access, microsegmentation, and continuous authentication in modern security...

Questions: 19 | Attempts: 12 | Last updated: Jul 1, 2026

Sample Question
What is the core principle of Zero Trust Architecture?

Trust all internal networks by default

Never trust, always verify every access request

Trust users once they authenticate

Trust devices on the corporate network

Port Numbers Quiz: 20, 22, 80, 443 — Know Them All?

Master Common Networking Ports (Network+) with this college-level quiz focusing on the essential port numbers every IT professional should know. Test your understanding of SSH (22), Telnet (23), SMTP (25), DNS (53), HTTP (80),...

Questions: 20 | Attempts: 10 | Last updated: Jul 1, 2026

Sample Question
Which port number is used by SSH (Secure Shell)?

20

22

23

25

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