Certified Information Systems Security Professional (CISSP) — Question 418

Which service management process BEST helps information technology (IT) organizations with reducing cost, mitigating risk, and improving customer service?

Answer options

• A. Kanban
• B. Lean Six Sigma
• C. Information Technology Service Management (ITSM)
• D. Information Technology Infrastructure Library (ITIL)

Correct answer: D

Explanation

The correct answer is D, Information Technology Infrastructure Library (ITIL), as it provides a framework for best practices in IT service management, focusing on cost reduction, risk management, and customer service improvement. Options A and B, while valuable methodologies, do not specifically address the broader IT service management processes like ITIL does. Option C, ITSM, is a broader category that includes practices such as ITIL; however, ITIL is specifically recognized for its comprehensive approach to these challenges.