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Technical support specialist Interview Questions

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Indeed’s Employer Resource Library helps businesses grow and manage their workforce. With over 15,000 articles in 6 languages, we offer tactical advice, how-tos and best practices to help businesses hire and retain great employees.

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Whether you are preparing to interview a candidate or applying for a job, review our list of top Technical support specialist interview questions and answers.

  1. Besides technology, what do you think are important attributes a technical support specialist should have? See answer
  2. What do you see as the role of a technical support specialist? See answer
  3. What is your strategy for prioritising support issues? See answer
  4. Tell me how you troubleshoot problems. See answer
  5. Tell me what the various types of firewalls are. See answer
  6. About how much time do you take to resolve a typical technical support issue? See answer
  7. Name some tips that a technical support specialist should know. See answer
  8. Can you explain ghost imaging? See answer
  9. If a user complained about a slow-running system, what would you do? See answer
  10. Explain the use of device drivers. See answer
  11. How would you help a user who was having a problem configuring a printer on their computer? See answer
  12. Can you explain the differences between ROM and RAM? See answer
  13. Explain the blue screen of death and how you fix it. See answer
  14. As a tech support specialist, what’s the significance of a network’s encryption?
  15. Describe a computer’s hardware components.
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Our mission

Indeed’s Employer Resource Library helps businesses grow and manage their workforce. With over 15,000 articles in 6 languages, we offer tactical advice, how-tos and best practices to help businesses hire and retain great employees.

Read our editorial guidelines

15 Technical support specialist Interview Questions and Answers

Besides technology, what do you think are important attributes a technical support specialist should have?

A technical support specialist works with people, making interpersonal and communication skills essential to their role. This question should give insight into what attributes the candidate values in addition to their technical knowledge. What to look for in an answer:

  • Prioritisation and multitasking skills
  • Communication with diverse groups of people
  • Traits that support attitude and aptitude beyond technology
Example:

'It's important to show respect to others by taking their problems seriously. Self-discipline is important for meeting deadlines and delivering resolutions to the user. The tech should know the company's business, understand the role of each party and communicate with diverse groups of people, especially those who aren't tech-savvy. Being detail-oriented, thinking creatively and logically and having the ability to transfer knowledge to new situations are other important attributes.'

What do you see as the role of a technical support specialist?

A technical support specialist's job goes beyond installing and testing network systems and software. Asking this question gives you insight into how the candidate views the role. What to look for in an answer:

  • Analyse problems
  • Diagnostic testing
  • Maintain and monitor computers and networks
Example:

'The main duties are to install and configure hardware, operating systems and applications. Besides maintaining and monitoring systems and networks, they analyse and fix underlying issues and problems, test and evaluate new technology and perform safety checks. Other duties are answering, processing and logging support calls. They also validate and update software licences, manage supplies and replace parts.'

What is your strategy for prioritising support issues?

Technical support specialists typically receive multiple problem calls at once. It's important to know that the candidate has a process to prioritise and handle multiple problems. What to look for in an answer:

  • Prioritising skills
  • Time management skills
  • Analytical thinking and problem-solving skills
Example:

'I can prioritise instinctively. For instance, total network failure is a top priority because it affects everyone. Next is partial failures because those affect smaller groups of users, followed by small network failures that affect single groups of users. Following that, I would prioritise by a single workstation failure, where no tasks can be done, or partial failure, where some tasks can be done and lastly, minor issues.'

Tell me how you troubleshoot problems.

This question tells you how the candidate identifies and resolves problems and their attitude toward those tasks. What to look for in an answer:

  • A detailed troubleshooting strategy
  • An approach to identifying and fixing problems
  • Satisfying the user's needs as soon as possible
Example:

'First, I have to find and understand the exact problem. Next, I ask 'yes' and 'no' or quantifying questions. I try to get specific explanations of the problem and repeat my understanding of the problem. Then, I eliminate variables using error messages, event logs, screenshots, and the results of running diagnostics. The next step is to reproduce and isolate the problem and develop ideas about what's going wrong. Removing integrations helps so I can fix one thing at a time. The last steps are to fix the problem, test it, and put together a proactive plan for the future.'

As a tech support specialist, what's the significance of a network's encryption?

Using a key or password, encryption translates information into code so it can't be read by a user and is crucial for security. The candidate should discuss the significance and their viewpoint of encryption. What to look for in an answer:

  • Use of encryption
  • Definition of encryption
  • Places where encryption is used
Example:

'Using algorithms, encryption ensures that any intercepted data remains unreadable, and it's a vital tool for the security of data and systems. Within the company and shared communication channels, it changes data into an unreadable format when it's sent to another user. It's then decrypted so the user can read the information. Without getting too technical, a couple of network encryptions are wired equivalent privacy, or WEP and Wi-Fi protected access or WPA.'

Tell me what the various types of firewalls are.

Firewalls are another safeguard against cybersecurity, and the candidate should be aware of them and how they work. What to look for in an answer:

  • How firewalls work
  • Function of firewalls
  • Knowledge of different types of firewalls
Example:

'Firewalls are hardware or software devices that prevent cyberattacks and protects information when it's transferred between devices on the same network or remotely. They protect by setting rules for users and gather records of the traffic they receive so new rules can be established. Types of firewalls are circuit-level gateways, cloud, next-gen, packet-filtering, proxy and stateful inspection.'

About how much time do you take to resolve a typical technical support issue?

Problem-solving time varies based on the issue, and some issues are more difficult than others. Asking this question gives you insight into the candidate's time management and organisational skills. What to look for in an answer:

  • Time management skills
  • Average time to resolve tech problems
  • What to consider when analysing problems
Example:

'Every technical issue is different, so the time it takes to resolve issues varies. I consider the experience of the end-user and the software and equipment used. I try to minimise downtime, but some problems can take hours, and some require research, so I must go offline before responding to the user. In a normal shift, I would say that on average, I can resolve about 12 issues.'

Name some tips that a technical support specialist should know.

There are several tips known by tech support specialists that help simplify tasks. The candidate should know shortcuts and demonstrate how they're used. What to look for in an answer:

  • What tasks shortcuts perform
  • Use of alternative menus and shortcuts
  • Knowledge of easy problem-solving tactics
Example:

'There are so many shortcuts, but one of my favourites is the *.msc shortcut. For instance, services.msc launches services applets, and dsa.msc launches the active directory of users and computers. The SET command gives me information about users and their sessions, and WIN+R brings up the Run dialogue. A really helpful trick is to use the steps recorder and create mini-screencasts for showing coworkers how to do some problem-solving, and to monitor network connections, I use NETSTAT.'

Can you explain ghost imaging?

Ghost imaging is often used for the reinstallation of operating systems. Important to know for problem-solving, the candidate should explain the use and purpose of ghost imaging. What to look for in an answer:

  • Definition of ghost imaging
  • When to use ghost imaging 
  • The function of ghost imaging
Example:

'Ghost imaging is also known as cloning because it copies the contents of one hard disk over to another server in a compressed file called an image. It's a software-driven backup process used to reinstall operating systems, restore a system, or allow one system to be cloned onto other systems. Other uses include setting up servers, notebooks, or blocks of tablets.'

If a user complained about a slow-running system, what would you do?

There are many reasons a computer runs slow, and the candidate should have a strategy for resolving the issue. What to look for in an answer:

  • Steps for evaluating the system
  • Strategy for discovering a problem
  • Problem-solving and analytical thinking 
Example:

'To fix a lot of problems, the first thing to do is reboot the system. I'd scan for viruses, malware and check for conflicts within the device manager. Sometimes slow-downs are caused by insufficient memory, so I'd delete temporary files, browser cache, and unused files or programmes. I'd run the defrag programme, and as a last step, I'd upgrade the hard disk to increase RAM, install an updated processor, and update the operating system.'

Describe a computer's hardware components.

This is a technical question, so the candidate should answer concisely, directly, and with confidence. What to look for in an answer:

  • Knowledge of computer parts
  • Description of hardware components
  • Knowledge of significant hardware components
Example:

'The power supply, motherboard, network card, processor, memory, video interface and the bus system are the crucial hardware components. The hard drive, keyboard, mouse and monitor are also essential hardware.'

Explain the use of device drivers.

Device drivers are essential software programmes that control hardware devices that make a computer work correctly. The candidate must know why they're used. What to look for in an answer:

  • Understanding software interfaces
  • Understanding of device drivers' functions
  • Knowledge of computer components and software
Example:

'Device drivers are software programmes that are linked to the operating system. The software allows the computer to interact with its hardware, such as the keyboard and mouse, monitors, digital cameras, printers, networks, and storage. These devices interact with the operating system and require security.'

How would you help a user who was having a problem configuring a printer on their computer?

This is a technical question that the candidate can use to demonstrate their support skills. What to look for in an answer:

  • Problem-solving
  • Ability to provide tech support
  • Knowledge of configuring peripheral devices
Example:

'I'd first make sure the printer had power, that the computer and printer were connected to the hard drive, and choose the desired printer from the add printer menu. If working in a network environment, I'd use the option of adding a network, wireless, or Bluetooth printer and then install it and upgrade the printer drivers if necessary. Sometimes, a computer fails to recognise its network printer. In that case, I'd find the network and sharing centre in the control panel and enable the network to discover and file the printer sharing options.'

Can you explain the differences between ROM and RAM?

This is another technical question that the candidate should answer by comparing the computer's memory choices. What to look for in an answer:

  • Value of each memory
  • The function of each memory
  • Obvious knowledge of the two types of memory
'RAM temporarily stores data and stands for random access memory. That data is used to perform the computer's applications. Alternatively, ROM is where permanent data is stored and is used to operate and perform various programmes and commands, for instance, BIOS. It stands for read-only memory, and the data can't be changed and is stored permanently. RAM can be written to and erased.'
Example:

Explain the blue screen of death and how you fix it.

When the operating system fails, the monitor screen turns blue and designates a system crash due to internal issues. The technical support specialist should know the steps to correct the error. What to look for in an answer:

  • What the blue screen says
  • Knowledge to fix the error 
  • Steps to correct the problem
Example:

'The blue screen has a stop error or message that means you could lose your files if they're not backed up. This problem can be caused by the computer's hardware, driver software, or broken or flawed apps. The first thing I check for is installed, updated, or software changes made before the BSOD. I can use the screen's error or stop code to find the problem. First, I restart the computer and update the drivers. Or, I disconnect some of the hardware and reboot the computer in safe mode.  Other fixes are looking for bad hard drive sectors and cables, using the system restore, and installing any available updates. Also, from the boot menu, I can use the startup repair option.'

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