Certified Tester - Infrastructure

The Certified Tester - Infrastructure certification exam by CREST is delivered online, with a passing score of 66%.

The Certified Tester - Infrastructure practice question bank includes 180 questions across 3 levels (approximately 60 per level), each of which is available in three wording variants. That gives you up to 540 practice question variations to study. On every attempt, questions appear in random order and answer options are shuffled, so each session evaluates your knowledge from a fresh angle.

Certified Tester - Infrastructure is a EXPERT level certification offered by CREST. Preparation is considered very complex and typically requires intermediate experience.

Certified Tester - Infrastructure is organized into 5 exam domains, starting with Network Infrastructure and Protocols, Operating System and Database Security, Application Security and Web Technologies. Practice with the Certilum diagnostic engine to simulate the CREST exam, pinpoint weak domains and measure your readiness before test day.

The Certified Tester - Infrastructure exam has a difficulty score of 6.5/10 (Challenging). Preparation complexity is very complex. It typically requires intermediate experience. With a passing score of 66%, thorough preparation is recommended. Certilum's diagnostic engine helps you identify weak domains before test day.

• Network scanning and enumeration
• Vulnerability identification and exploitation
• Penetration testing tool proficiency
• Report writing and risk assessment
• Legal and ethical compliance understanding

• Basic understanding of networking (CCNA-level or equivalent)
• Familiarity with Linux and Windows command line
• Experience with at least one scripting language (Python, Bash, PowerShell)

High - The exam requires deep analytical thinking and practical problem-solving under time pressure, combining theoretical knowledge with hands-on exploitation scenarios.

Certilum’s 12‑week study plan for Certified Tester – Infrastructure: weeks 1‑4 networking/OS fundamentals with interactive quizzes, weeks 5‑8 web application security and exploitation tools, weeks 9‑12 methodology, reporting, and mock exams. Structured domain summaries and tool cheat sheets reinforce weak areas under timed conditions.

Focus on practical lab environments such as Hack The Box, TryHackMe, and custom lab setups replicating real-world infrastructure. Combine structured study with official CREST resources, practice tests, and community forums. Dedicate 2-4 months of regular practice, emphasizing tool proficiency and methodology documentation.