Top ITIL Interview Questions and Answers in 2026

Top ITIL Interview Questions and Answers 2026

ITIL is a globally recognized framework to ensure business success with a standard IT management system. It creates strategic reviews and accurate, flexible, and quality IT-enabled services. ITIL® is the primary framework containing a set of IT service management practices. It aims to bring IT services closer to the needs of the customer and meet an organization’s business needs.

Our revised list of ITIL interview questions and answers provides in-depth details and the types of questionnaires to expect. With such ITIL interview questions and answers revised, the dream career is just a round away.

The worst idea a candidate can afford to miss a chance is by skipping the most commonly asked ITIL interview questions and answers. Take a glance at the frequently asked ITIL interview questions and answers for experienced professionals or freshers in this article.

Don't miss out on mastering the ITIL Framework, which is the primary framework containing a set of IT service management practices. Ready to nail your ITIL interview? Dive into the Top 25 ITIL Interview Questions and Answers in 2024 to equip yourself with the insights and confidence you need to stand out!

 

List of Commonly Aske ITIL Interview Questions and Answers

Discover essential ITIL interview questions and expert answers in our comprehensive list of sets. Prepare to excel in your ITIL job interviews with these valuable insights and strategies.

 

Set -1 - ITIL Interview Questions and Answers

The Set 1 ITIL Interview Questions and Answers are itil basic questions and answers. This set of questions covers the most commonly asked questions in the ITIL interview.

1) What is a back-out plan?

Ans: There are instances where, after the release, you encounter some crisis and the release fails. In such cases, withdrawal of release has to be done, for which a plan is laid out in advance. This is called a back-out plan.

2) What is the first line of support?

Ans: The service desk is the first line of support. 

3) What does ITIL stand for?

Ans: ITIL stands for Information Technology Infrastructure Library.

4) Name a few ITIL-based models adopted by an organization

Ans: Microsoft MOF, Hewlett – Packard (HP ITSM Reference Model), and IBM (IT Process Model).

5) State the relationship between Availability, Availability service time, and downtime.

Ans: Availability % = (Available service time –downtime) / Available service time. 

 

Set - 2 - ITIL Interview Questions and Answers

6) What are the types of SLA?

Ans: There are three types of SLA.

• Service-based SLA
• Customer-based SLA
• Multi-level SLA

7) What does SACM stand for?

Ans: Service Asset and Configuration Management. 

8) What are the phases of a PDSA cycle?

Ans: The four phases in the PDSA Cycle are:

• Plan: Involves the identification and analysis of the problem.
• Do: Development and testing of a solution.
• Check: Check how effective the solution is and look for areas for improvement.
• Act: Implementation of the improved solution. 

9) What do you know about change requests and service requests?

Ans: The change request is a formal way of requesting a change or alteration in a processor system. A service request is a request made by the user for access to a system, queries, and information related to the service.

10) When is an issue escalated?

Ans: Usually, when a user finds some difficulty using the system or has some queries to make regarding it, they approach the service desk via chat, email or phone call. The service desk helps them resolve the issue by using the tracking tools. However, there are cases where issues cannot be resolved by the service desk. It is when the issue is escalated for further help. 

 

Set - 3 - ITIL Interview Questions and Answers

11) What is Configuration Management?

Ans: Configuration Management involves maintaining a list of inventory. Information related to the hardware and software of the organisation is kept in one place for reference.

12) What are the roles in the RACI model?

Ans: The roles in the RACI model involve:

• Responsible: Individual responsible for getting the job done.
• Accountable: Individual accountable for the tasks.
• Consulted: Individual who is to be consulted.
• Informed: Individual who is informed about the progress. 

13) Name a few knowledge management systems.

Ans: Mentioned below are the few knowledge management systems 

14) What type of information is stored in CMDB?

Ans: CMDB contains information that is responsible for holding a collection of IT assets known as configuration items (CI). Alongside this, it also holds information related to the relationship between these assets. 

15 On what standard is ITIL security management based?

Ans: ITIL security management is based on the ISO 27001 standard.

 

Set - 4 - ITIL Interview Questions and Answers

16) What does incident management do?

Ans: The incident management team controls the flow of incident information.

17) Give some examples where the incident management process can be used.

Ans: The incident management process can be used for bugs in an application, system downs, printer issues, and storage space alerts.

18) What information is needed to identify a known error?

Ans: The information related to the cause of the problem is required to identify the known error.

19) What are the metrics for performance measurement in service management?

Ans: There are four metrics for measuring performance:

 

Set - 5 - ITIL Interview Questions and Answers

20) What are the prerequisites to begin the testing process?

Ans: Below is the list of information required to begin a testing procedure,

• Acceptance criteria
• SLP
• Release plans 

21) Name a few components of SKMS

Ans: Listed below are the few components of SKMS:

• Availability management system.
• Configuration management system.
• Service portfolio.

 22) What are the types of testing?

Ans: The various testing types include:

• Security testing
• Usability testing
• Process testing
• Regression testing
• Compatibility testing

23) What is the difference between incident management and problem management?

Ans: Incident management is about fixing the problem away and helping the user get back to work. Problem management looks closely at the problem and tries to find the main reason why it happened.

24) What is the role of availability management?

Ans: The role of availability management is to make sure that the services are available to the user, during the times that are agreed on.

25) Define OLA.

Ans: OLA (Operational Level Agreement) is an agreement made between the service provider and a part of the same organization.

Are you aspiring to make a career in IT Service Management? If yes, you must consider getting an ITIL Certification. Getting certified and receiving certification from AXELOS - governing body will help you build a successful career in IT industry.

We, Sprintzeal, are an ATO (Accredited Training Provider) of AXELOS

 

ITIL Change Management Interview Questions

What is change management (change enablement) in ITIL?

Ans: It makes sure IT changes are assessed, approved and scheduled so that the most changes succeed with the least risk. ITIL 4 calls this practice “Change Enablement”.

What are the types of changes?

Ans: There are three types of changes: changes, Normal changes and Emergency changes. Standard changes are preapproved and low risk. Normal changes need an assessment and approval before they go ahead. Emergency changes are urgent. Used to fix a critical issue quickly.

What is a CAB?

Ans: CAB stands for Change Advisory Board. It is a group that reviews and gives advice on changes to make sure they are done properly and safely. ITIL 4 uses the idea of a “change authority," where approval is given at the right level instead of always going to one board.

 

ITIL V4 Interview Questions

What is ITIL 4?

Ans: ITIL 4 is the version that came out in 2019. It replaced the V3 lifecycle with the Service Value System or SVS. It focuses on co‑creating value. 

What are the seven guiding principles?

Ans: The seven guiding principles that I find useful are focus, value, starting where you are progressing iteratively with feedback collaborating and making visibility, thinking and working holistically keeping things optimizing and automating.

What are the components of the Service Value System?

Ans: The components of the Service Value System that I recognize are guiding principles, governance, the service value chain, practices and continual improvement.

What are the activities of the service value chain?

Ans: The activities of the service value chain are plan, improve, engage, design and transition obtain and build and deliver and support.

How many practices does ITIL 4 have?

Ans: 34, grouped as general management, service management and technical management practices. 

 

ITIL V5 Questions and Answers

What is ITIL 5?

Ans: ITIL 5 is the newest version of the framework, owned by PeopleCert. It was officially released on February 12, 2026, and is being introduced alongside ITIL 4, not as an immediate replacement. 

Is ITIL 4 still valid?

Ans: Yes. No retirement date has been announced for ITIL 4, so ITIL 4 and ITIL 5 certifications coexist for now. 

 

Is ITIL Certification worth it?

If you’re an IT professional, taking up the ITIL® certification course will contribute to the growth of your career in several ways. The latest model of the course is divided into five parts, each of which focuses on different stages of the ITSM (Information Technology Service Management) cycle.

Sprintzeal offers ITIL training in various modes of study. You can take up our ITIL V4 Foundation Certification Training to gain knowledge and credibility. It is a foundation-level course.

We also offer full-fledged, Instructor-led training for ITIL Intermediate Courses like further specialized modules to enhance your expertise.

Getting certified and adding one or many of these ITIL certifications to your resume will definitely give you an edge over other applicants.

For more details, mail us at Click Here or chat with us using the chat option on our homepage.

ITIL Interview Tips

Before proceeding with a job interview, the first key priority should be segregating of plan routine mainly for the various types of ITIL interview questions and answers.

Having discussed the phases of an interview and questionnaires, these ITIL interview questions and answers are asked often by the interviewers.

Here are some quick interview tips to help you do well in the interview:

• Be on time. Arrive when you are supposed to arrive.
• A candidate should arrive on time. Arriving when scheduled is important.
• A candidate should be ready to discuss achievements, both in life and in professional work.
• A candidate should watch speech style. Avoid filler words such as um or, like.
• A candidate should read the job description carefully. Finding points to discuss is helpful.
• A candidate should listen closely when the interviewer speaks. Taking a pause before replying gives clarity.
• A candidate should wear clothing and behave respectfully.
• Do not cut the interviewer off while they are talking.
• Bring all the papers that you need.
• Do a brief research on the company and understand their needs.
• Thank the interviewer for his or her time, and be polite with criticism too.

 

Additional Information – Phases of an ITIL interview

Here are the three major phases of an ITIL interview:

Phase 1: Invitation

When you apply for jobs at the organizations you aspire to work with, the first step from the employer’s side is a review.

 After reviewing your resume, if you are believed to be a good fit for the position, you will receive an invitation for an interview.

The invitation can be sent in various forms, like email, phone call, message, or even a letter. 

However, each of them is kept professional, and the same is expected of the candidate. Be sure to respond to the invitation professionally and promptly.

Phase 2: Meeting

The next phase is the face-to-face interview on the decided schedule. The main aim of this is to estimate the capabilities of the candidate and understand their personality.

It is important to create a first impression, with the employer by arriving on time and acting in a professional way. 

Showcase your strengths. In a very polite manner acknowledge your weaknesses.Be confident and positive, but don’t overdo it.

Phase 3: Follow-up

The last and certainly not the least important phase is follow-up." This phase can either make or break the opportunity.It is important to use a style of communication when following up.

You can send an email that thanks them for taking the time to interview you shows appreciation for the chance to speak or you can make a phone call to say thank you and ask about the job.

 

Conclusion for Top ITIL Interview Questions

We have tried to gather all the essential information required under ITIL interview questions and answers for the ITIL interview rounds. But know that ITIL is a vast topic, and several other ITIL interview questions can be asked too.

Prepare for the interview based on the type of industry you are applying for, as some of the sample answers provided for ITIL interview questions and answers may vary depending on the type of industry.

All in all, be honest, confident, and positive while contemplating the ITIL interview questions and answers while being interviewed, as these factors outshine all other qualities.

If you have any queries about the ‘top 25 ITIL interview questions and answers, reach out to us in the comment section below.

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FAQs

What does ITIL stand for?

ITIL stands for Information Technology Infrastructure Library. ITIL is a set of rules that many companies use to give IT services that match what business and customers want.

What are the common ITIL interview questions for freshers?

New candidates often hear questions such as: What does ITIL stand for? What is the service desk? What is the difference between an incident and a problem? What is a service request? What is a CMDB? This first section of the blog explains these basics.

What is the difference between incident management and problem management?

Incident management is about fixing problems so that users can get back to work. Problem management looks for the root cause of those problems. Works to stop them from reoccurring.

Are ITIL 4 and ITIL 5 interview questions different?

The main ideas – incident, problem, change enablement, SLAs and CMDB – are the same in both ITIL 4 and ITIL 5. ITIL 4 questions focus on the Service Value System, the four dimensions, the guiding principles and the service value chain. ITIL 5 was released in February 2026. Is introduced alongside ITIL 4. ITIL 4 remains valid. It is best to study both.

Is ITIL certification worth it for IT professionals?

Yes. Getting an ITIL certification shows that you know IT service management practices. It can make your resume stand out for jobs in service desk, ITSM, change management and IT operations. It also gives you a language that companies around the world use. Many people start with ITIL Foundation. Then move on to other modules.

How should I prepare for an ITIL interview?

Start by learning the basics – the service desk, SLA, OLA, CMDB, incident and problem. Then study ITIL 4 concepts such, as the Service Value System, guiding principles, service value chain and practices. Think of examples of how you fixed incidents or managed changes. Describe them with the STAR method. Read the job description carefully. Learn about the company’s IT environment.