16 IT Interview Questions and Answers

Learn what skills and qualities interviewers are looking for from an IT professional, what questions you can expect, and how you should go about answering them.

If you’re looking for an IT job, you know that the competition is fierce. That’s why it’s important to go into your interview armed with answers to common IT interview questions.

In this guide, you’ll find questions and answers for both entry-level and experienced IT professionals. You’ll learn what to expect in an interview, how to demonstrate your skills, and what qualities employers are looking for.

We’ll also help you prepare for questions that are specific to your area of expertise, such as network administration, system administration, and programming.

By the end of this guide, you’ll be ready to ace your IT interview and land the job of your dreams.

What interests you about working in IT?

This question gives you an opportunity to show your passion for technology and your career choice. When answering, consider what aspects of IT you enjoy most and how they relate to the position you’re interviewing for.

Example: “I love the challenge of finding solutions to problems. I’m always looking for ways to improve processes and make things easier for others. I find that working in IT allows me to put my problem-solving skills to use while also helping others. For example, I recently worked with a company that was having issues with their servers. I was able to diagnose the problem and fix it, which helped the company save money on their IT budget.”

How did you get into IT?

This question is a great way to learn more about your potential future coworker. It can help you understand what inspired them to get into IT and what they hope to accomplish in their career. You can answer this question by sharing your own story of how you got into IT. You can also ask the interviewer about how they got into IT to learn more about the company culture.

Example: “I got into IT because I was always interested in computers and technology. When I was in high school, I took a computer science class and I absolutely loved it. I knew that this was the career for me. I also really enjoy working with people, so I knew that IT would be a good fit for me.”

Tell me about a time when you overcame a challenge at work.

This question allows you to demonstrate your problem-solving skills and ability to adapt to change. When answering this question, it can be helpful to provide details about the challenge, how you overcame it and the results.

Example: “In my previous role, I was tasked with creating a new website for a client. The website needed to be mobile-friendly and have a search engine optimization feature. I completed the project within the time frame set by my manager, but I noticed that the website didn’t have a search engine optimization feature. I spoke with my manager about the issue, and we decided to add the feature to the website.

I was able to complete the project within the same time frame as before, and I was able to add the search engine optimization feature. This allowed the client to rank higher in search engines.”

Do you have any certifications?

Employers may ask this question to see if you are committed to continuing your education and improving your skills. If you have certifications, be sure to list them. If you don’t have any certifications, you can still mention any other ways you have improved your IT skills.

Example: “I have the CompTIA A+ certification. I also took a course on networking and learned how to set up a home network. I am currently enrolled in a course on programming languages, which I plan to complete by the end of the year.”

Have you ever made a recommendation that your company adopted?

This question can help the interviewer determine how you apply your knowledge and skills to benefit your company. Use examples from your experience to highlight your ability to analyze situations and make recommendations that help your organization improve.

Example: “At my previous company, I noticed that the IT team was having trouble keeping up with the number of tickets we received. I recommended hiring more IT specialists to help with the workload. My manager approved my recommendation, and we hired two new IT specialists. The new hires helped reduce the number of tickets we received by 25% within the first month. I was happy that my recommendation helped improve the efficiency of the IT department.”

How would you describe a complex technical topic to someone who knows nothing about it?

This question is designed to test your communication skills. It’s a good idea to prepare for this question by writing out a brief summary of a complex technical topic and practicing explaining it to someone who has no background in the field.

Example: “When I was working as a server administrator, I had to explain the concept of DNS to a non-IT employee. I started by explaining that DNS stands for Domain Name System, which is essentially a phone book for the internet. I explained that when a user types in a domain name, like, it translates that domain name into an IP address, which is a unique set of numbers that computers use to communicate with each other. I also explained that DNS servers are responsible for translating domain names into IP addresses.”

What are some advantages of using the cloud?

The cloud is a popular topic in IT. It’s a way to store data and applications online, and it’s a growing trend in the industry. Your answer should show that you understand the cloud and its benefits. You can list some of the advantages of using the cloud and explain how they can help your employer.

Example: “Cloud computing has many advantages. It’s a cost-effective solution because you only pay for what you use. It also offers scalability, which means you can add or remove resources as needed. It’s also more environmentally friendly than other solutions.

Another advantage of using the cloud is that it’s easy to access. You can access it from anywhere with an internet connection. You don’t need to install any software, and you can use the same tools and applications you would on your computer.”

How do you troubleshoot an issue on a server?

Troubleshooting is an important skill for an IT professional to have. This question allows the interviewer to assess your troubleshooting skills and how you apply them to a specific situation. Use your answer to highlight your troubleshooting skills and the steps you take to resolve issues.

Example: “I first check the logs to see if there are any errors or warnings. If there are, I check the event viewer to see what the issue is. If there are no errors or warnings, I check the services to see if they are running properly. If they aren’t, I restart the service and check again. If the service is still not running, I restart the server and check again.”

What programming languages do you know?

This question is a great way for the interviewer to assess your programming knowledge. It is important to show that you have a wide range of programming language knowledge. When answering this question, list several programming languages you are familiar with and explain how you have used each one.

Example: “I am proficient in Java, C++ and Python. I have used Java in my previous role to create programs and applications. I also used C++ to create operating systems and Python to write scripts.”

It is important to be honest when answering these questions. If you are not proficient in a particular language, it is okay to say so. Explain that you are willing to learn new languages.

Example: “I am not as familiar with Perl, but I am open to learning it if necessary.”

How does JavaScript differ from Python?

Python and JavaScript are two of the most common programming languages in the IT industry. Your answer to this question shows the interviewer that you have a basic understanding of how these two languages differ. To answer this question, you can list the main differences between Python and JavaScript.

Example: “Python is a general-purpose programming language, while JavaScript is a scripting language. Python is an object-oriented language, while JavaScript is a scripting language. Python is a statically typed language, while JavaScript is a dynamically typed language. Python is compiled, while JavaScript is interpreted. Python is free, while JavaScript is proprietary.”

What makes a good software developer?

This question is an opportunity to show your knowledge of the IT field. You can answer this question by discussing the skills and abilities you think are important for a software developer. You can also share your own experience as a developer to show that you have the skills and abilities you listed.

Example: “A good software developer needs to be able to think creatively, communicate effectively, solve problems and learn new things. I have worked as a software developer for five years, and I have found that I am able to think creatively and solve problems. I am also good at communicating with my team members and clients to understand their needs and find solutions to their problems.”

What’s one piece of advice you’d give to new software developers?

This question is a great way to show your leadership skills and willingness to help others succeed. You can use it to share a helpful tip you’ve learned from your own experience, or you can share a piece of advice you’ve heard from a more experienced developer.

Example: “One piece of advice I’d give to new software developers is to always be sure to ask questions. The IT industry is constantly changing, and it’s important to keep up with the latest news and developments. Asking questions is the best way to learn, and it’s important to remember that no question is a silly one. If you’re unsure about something, it’s always best to ask.”

What do you think is the best way to learn more about coding?

This question is your opportunity to show the interviewer that you are committed to improving your coding skills. You can answer this question by sharing your preferred method of learning and how it has helped you in the past.

Example: “I think the best way to learn more about coding is by taking online coding courses. I have taken several coding courses in the past, and I find that they are a great way to learn new skills and refresh my memory on existing ones. I also find that taking courses helps me stay motivated to learn more about coding because I can set goals for myself, like completing a course in a certain amount of time.”

How do you handle conflict with coworkers?

IT professionals often work with other IT professionals, so it’s important to show that you can work well with others. Your answer should show that you’re willing to compromise and communicate with others to find a solution.

Example: “I try to avoid conflict with coworkers, but sometimes it’s inevitable. If I feel like I’m in a situation where I need to address conflict with a coworker, I try to remain calm and respectful. I listen to what my coworker has to say and try to understand their perspective. I also try to be as clear as possible when communicating my own ideas and opinions. I find that being respectful and clear helps me resolve conflicts with coworkers.”

What is DevOps?

This question tests your knowledge of the latest trends in IT. It also tests your ability to explain complex concepts in simple terms. Your answer should define DevOps and explain how it can benefit an organization.

Example: “DevOps is a software development methodology that combines the processes of software development and IT operations. It aims to improve communication between development and operations teams. It also provides a framework for continuous improvement and collaboration between teams. This leads to faster delivery of software products and services.

The benefits of DevOps include increased productivity, reduced costs, improved customer satisfaction and increased revenue. It also helps organizations meet the challenges of digital transformation.”

What is monitoring and why is it important?

Monitoring is a key IT function that helps ensure the security and stability of a company’s network. The hiring manager may ask this question to see if you understand the importance of monitoring and how it can help you succeed in the role. In your answer, define monitoring and explain why it’s important to the success of an IT department.

Example: “Monitoring is the process of collecting data about the performance of a network. It’s important because it helps me identify any issues that may be affecting the network’s stability or security. Monitoring allows me to identify any potential issues before they become major problems.”


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