Desktop Support Interview Questions

desktop support interview questionsSo you’re going for a desktop support position and you want to be prepared? While you should already know everything you need to know before applying for such a position, it’s always a good idea to refresh your mind before a big interview.

Let’s go over some desktop support interview questions you can expect to face when you go in, and some sample answers to give you some ideas.

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First, we will mention a few questions that you will need to answer with your personal experience.

What desktop operating systems are you already familiar with?

This is a question that you can prepare for, by researching the company you are interviewing with to find out what O they use.  Be sure to do a bit of preparatory reading on the systems you are familiar with, so you can showcase your skills to the fullest extent.

Here are some other questions about your own experience that you should be prepared for –

  1. Would you rather work with end-users, with peers, or on your own?
  2. What do you like most/least about desktop support?
  3. Have you used imaging software before?  What types?
  4. Have you used software distribution tools before?

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Now let’s look at some more technical questions.

Q:  What are some common sources of computer viruses?

Some common sources are Internet downloads, email attachments, and infected disks.

Q:  How can you prevent computer virus infection?

Obviously, use a good quality anti-virus software, update it regularly, and use it regularly.  Be sure that it is checking every file on the computer.  Backup your system periodically in case a major infection occurs, and be aware of all software and programs that run on your computer.  Never click a suspicious link or download a suspicious file.

Q:  How would you figure out what a user’s problem is?

You can begin by asking – When did the problem start, and did you see any error messages?  What happened right before the problem occurred?  Did you download something or install new hardware or software when it happened?  Has this happened before?  Has anyone else used the system recently?

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Q:  What is DNS, and what are forward DNS lookup and reverse DNS lookup?

DNS stands for domain naming service, and it matches up IP addresses with their common names.  Forward DNS lookup refers to converting names to IP adAdresses; reverse DNS lookup refers to converting IP addresses to names.

Q:  What types of LAN cables are in common use?

Two types, CAT 5 and CAT 6.  CAT 5 can support up to 100 Mbps, and CAT 6 can support up to 1 Gbps.

Q:  At what point in a LAN cable’s length do you usually see a drop in transfer speed?

After about 80 meters (260 feet) you will usually see a reduction in speed.

Q:  Can you tell me the difference between a hub and a switch?

A hub will send network traffic to all ports that it is connected to.  A switch will only send traffic to the particular port it is set for.

Q: What does the IPCONFIG command tell us?

The IPCONFIG command will display the IP address assigned to the computer, as well as the gateway IP address and the DNS IP address.

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Q:  What does RIS stand for, and what does it consist of?

RIS means remote installation service.  This service lets a technician save an installed image on a network server, and then install this particular configuration on a new piece of hardware.  This can save a lot of time, because it lets you install software on many machines without needing to physically go from computer to computer with an installation disk.