IT support specialist interview questions and how to answer them
Remote IT support interviews usually run in two or three rounds: a screening call that checks your English, attitude and shift availability, a technical round with troubleshooting scenarios (sometimes a role-play where the interviewer plays a frustrated user), and a final call with the service desk manager. MSPs often add a short written or online test on Windows, networking and Microsoft 365.
The questions below come up again and again. In scenario questions, interviewers care more about the order you check things in and how you talk to the user than about getting the exact fix first time.
Updated October 2026 by the WorkRemote careers team
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About the role and your experience
Openers that check you understand the job and have done the work.
What would you do if you didn't know how to fix something?
Why they ask
Nobody knows everything. They want someone who researches sensibly and escalates in time.
How to answer
Mention the knowledge base, documentation, asking colleagues and escalating with good notes. Show you don't guess on production systems.
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First I'd check our knowledge base and any similar past tickets. Then Microsoft's documentation or the vendor's support pages. If I still couldn't solve it within the time our process allows, I'd escalate to Level 2 with clear notes on what I'd checked, so they don't repeat it. I wouldn't try random fixes on someone's work laptop.
Technical questions
What you know and how you'd do the work, often with a live task or test.
A user calls to say they can't log in to their laptop. Walk me through what you do.
Why they ask
The most common ticket on any service desk. It shows whether you troubleshoot in a sensible order.
How to answer
Verify identity first, then gather facts: what error, which account, is it only this device, did the password expire, is the account locked or disabled. Start with the most likely cause, and say when you'd escalate.
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First I'd confirm who they are using our verification process. Then I'd ask for the exact error message and whether they can log in anywhere else, like Outlook on the web. I'd check the account in Active Directory or Entra ID: is it locked out, disabled, or is the password expired? If the account is fine and it's only this laptop, I'd check if it's lost its connection to the domain, which on a remote laptop often means it hasn't been on the VPN for a while. I'd log what I found in the ticket at each step.
A computer has an IP address starting with 169.254. What does that tell you?
Why they ask
A classic networking check. It separates people who've memorised definitions from people who've fixed real problems.
How to answer
Explain that it's an APIPA address, assigned automatically when the machine can't reach a DHCP server. Then give your troubleshooting steps.
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It's an APIPA address, which Windows gives itself when it can't get one from DHCP. So the problem is between the machine and the DHCP server. I'd check the cable or Wi-Fi connection, run
ipconfig /releaseandipconfig /renew, and if other users on the same network have the same problem, check whether the DHCP server is down or its address pool is full.A user can reach a website by its IP address but not by its name. What's wrong?
Why they ask
Tests whether you understand DNS, which is behind a huge share of 'the internet is broken' tickets.
How to answer
Say it points to DNS resolution, then explain how you'd confirm and fix it.
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That points to DNS. I'd run
nslookupon the site name to see whether it resolves and which DNS server answers. If it fails, I'd check the DNS server settings withipconfig /all, tryipconfig /flushdnsin case of a bad cached entry, and check whether a VPN or a wrong manual DNS setting is involved. If it's affecting many users, it's likely the DNS server itself and I'd escalate.Explain how DHCP gives a computer its address.
Why they ask
A basic networking question used to check your foundations.
How to answer
Describe the four steps, often remembered as DORA, and what the client receives.
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It's four steps: Discover, where the client broadcasts asking for a DHCP server; Offer, where the server offers an address; Request, where the client asks for that address; and Acknowledge, where the server confirms it. Along with the IP address, the client usually gets the subnet mask, default gateway, DNS servers and a lease time.
What's the difference between an incident, a service request and a problem?
Why they ask
Service desks run on ITIL terms. Using them correctly shows you'll fit their process.
How to answer
An incident is something broken; a service request is something the user wants that isn't broken; a problem is the underlying cause behind one or more incidents.
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An incident is an unplanned interruption, like Outlook crashing. A service request is a normal ask, like access to a shared folder or a new monitor. A problem is the root cause behind repeated incidents, so if twenty people's Outlook crashes after the same update, we'd open a problem record to find and fix the cause, not just restart Outlook twenty times.
A user says they've lost their company laptop. What do you do?
Why they ask
Lost devices are a security risk. They want to see you act quickly and in the right order.
How to answer
Secure the account and data first, then the device, then the paperwork. Mention Entra ID, Intune and your company's process.
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First I'd reset their password and revoke their sign-in sessions in Entra ID so the laptop can't keep accessing email and files. Then I'd find the device in Intune and, following our policy, send a wipe, or a retire if it's a personal device that only holds company data. I'd log it as a security incident, tell the security team or manager as our process says, and arrange a replacement laptop by courier.
Outlook keeps asking a user for their password. How do you fix it?
Why they ask
A very common Microsoft 365 ticket with several possible causes.
How to answer
Check the account first (password changed, locked, MFA), then the client side (cached credentials, Outlook profile, updates), and test Outlook on the web to isolate the problem.
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I'd check whether they recently changed their password or if the account has a sign-in problem in Entra ID. Then I'd ask them to try Outlook on the web; if that works, the issue is on the laptop. I'd clear old Office entries from Windows Credential Manager, make sure Office is up to date, and if it still happens, create a new Outlook profile.
Group Policy changes aren't applying to a user's computer. How do you troubleshoot?
Why they ask
Common in companies with on-premises Active Directory. Shows practical Windows admin knowledge.
How to answer
Mention checking connectivity to the domain, forcing an update and reading which policies actually applied.
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I'd make sure the machine can reach a domain controller, which for a remote user means being on the VPN. Then I'd run
gpupdate /forceandgpresult /rto see which policies applied and which were filtered out. Often the computer or user is in the wrong organisational unit, or the policy is filtered to a group they're not in.
Behavioural questions
Past situations. Answer with a real example: what happened, what you did, what changed.
Tell me about a time you dealt with a frustrated or rude user.
Why they ask
Support staff deal with stressed people every day. They want to hear calm, empathy and results.
How to answer
Use a real story. Show you listened, didn't take it personally, fixed or escalated the problem and kept them updated.
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At my last job in a Lagos bank branch, a customer was shouting because his card had been retained by the ATM for the second time that week. I let him finish, apologised for the trouble and told him exactly what I could do: retrieve the card that afternoon and log a fault on the machine. I called him when the card was ready. He came back calmer and thanked me. I use the same approach on IT calls: listen first, then be specific about the next step.
Describe a technical problem you solved that you're proud of.
Why they ask
Shows your troubleshooting process and whether you've done hands-on work.
How to answer
Pick a real problem, from work, freelancing or your home lab. Explain the symptoms, what you tested, the fix and what you learned.
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In my home lab, my Windows 11 virtual machine kept failing to join the domain. I checked the error, then realised its DNS was pointing to my router, not the domain controller, so it couldn't find the domain. I changed the DNS setting, the join worked, and I wrote it up on my blog. Now DNS is the first thing I check on any domain problem.
How would you explain a fix to a user who isn't technical?
Why they ask
Much of IT support is talking people through steps on the phone or in chat.
How to answer
Use plain words, one step at a time, check what they see on screen, and avoid jargon.
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I'd go one step at a time and ask them to tell me what they see after each one: "Click the Start button at the bottom left. Do you see a gear icon? Click that." I'd avoid words like 'cache' or 'profile' and explain what we're doing in everyday terms, like "we're making Outlook forget the old password".
Situational questions
Hypotheticals about problems you'd meet in the job.
Someone calls claiming to be the CEO, says they're travelling and need their MFA reset right now. What do you do?
Why they ask
Help desk social engineering is a real attack method. They want to know you'll follow the process under pressure.
How to answer
Stay polite but follow the verification process with no exceptions, and use a known contact method. Explain why.
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I'd stay polite and explain I need to verify them first, as I would for anyone. I'd use our process, for example calling them back on the number in the HR system or confirming through their assistant or manager, not the number they're calling from. If they can't be verified, I wouldn't reset anything, and I'd tell the security team, because pressure plus urgency is exactly what attackers use. A real CEO is usually glad we checked.
You have three tickets: the CEO's printer isn't working, the whole sales team can't get email, and a new starter needs software installed by tomorrow. What order do you take them in?
Why they ask
Tests prioritisation by impact and urgency rather than by seniority.
How to answer
Explain impact and urgency. The outage affecting a whole team comes first. Say how you'd communicate with the others.
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The sales team's email first, because it's affecting many people and stopping their work, so it's high impact and high urgency. I'd tell the CEO's office I'm on a wider outage and give them a quick workaround, like printing to another printer. The new starter's software is due tomorrow, so I'd schedule it for later today. I'd post an update on the email outage so the sales team aren't all opening new tickets.
Remote work questions
How you'll work from Nigeria with a team elsewhere: hours, power, internet, communication.
This role covers US hours, which means working into the night in Nigeria. How would you manage that?
Why they ask
Many remote service desk roles cover US or Australian time zones. They need to know you'll be reliable on shift.
How to answer
Be honest about the hours you can work long-term and explain how you'll stay sharp and reachable.
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US Eastern is five hours behind Lagos for most of the year and six in the US winter, so a 9am to 5pm Eastern shift is 2pm to 10pm or 3pm to 11pm for me. I've planned my day around that: I sleep in the morning, keep my evenings free and I've told my family my working hours. My power and internet backup cover a full shift, so I won't disappear halfway through.
What happens if your power or internet fails during a shift?
Why they ask
Employers who hire in Nigeria know outages happen. They want to hear a real plan.
How to answer
Describe your backup power, two internet connections and how you'd tell the team if both failed.
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My laptop and router run on an inverter with batteries that last about eight hours, charged by solar during the day. My main internet is fibre, and I keep a MiFi on a different network that switches over in a minute or two. If both failed, I'd message the team lead from my phone straight away so someone could cover my queue, and move to a co-working space near me.
Remote interview tips
Expect role-play. Some interviewers play a confused or angry user. Stay calm, ask questions, confirm what they see on screen and talk in plain words.
Have your lab ready to show. If you've built an Active Directory home lab, have screenshots or the virtual machine open in case they ask you to share your screen.
Use a headset. Service desk interviewers listen for audio quality, because that's what users will hear. Test your microphone and headset before the call.
Write the time in both zones. Reply with "11am EST / 5pm WAT" or "2pm BST / 2pm WAT", and double-check around the March, October and November clock changes in the UK and US.
Be honest about shifts. If you can't work nights long term, say so now. It's better than taking a role you'll leave in three months.
Questions people ask
What technical questions are asked in an IT support interview?
Mostly troubleshooting scenarios (user can't log in, no internet, Outlook password prompts), networking basics like DNS, DHCP and 169.254 addresses, Active Directory or Entra ID account tasks, and ITIL terms such as incident versus service request.
Do IT support interviews include a test?
Often, especially at MSPs. Expect a short online quiz on Windows, networking and Microsoft 365, or a role-play call. Some employers ask you to write a sample ticket note or a short knowledge base article.
How should I answer "why do you want to work in IT support?"
Be specific: you like fixing problems for people, you've done it informally or in a lab, and you want to grow into systems administration, cloud or security. Avoid saying it's just a way into tech.
What should I wear for a remote IT support interview?
Something neat from the waist up and a plain background. For support roles, a clear headset, a quiet room and a steady connection matter more than the outfit, because they're judging what users will hear.
Updated October 2026 by the WorkRemote careers team
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