The modern world is unimaginable without computers. A desktop support engineer helps the employee with any issues with the desktop. A desktop support engineer provides customers and users with technical support and troubleshooting assistance about their computer hardware and software. Most of the time, they help to set up and configure the IT infrastructure to ensure optimal operation. Desktop Support Engineers must help with the initial configuration, installation, and upkeep of computers and other IT components. 

A job in IT assistance may be the best fit for you if you love interacting with people and dealing with computers, networking equipment, and other people. It's possible to enter practically any tech-related field with an IT/Desktop support career. It's also a terrific method to pick up exceptional technical skills from the finest in the business.

You should be able to show as a candidate for this position that you are good at solving problems and take pleasure in engaging with people. You should be prepared for the desktop support engineer interview questions with responses.

IT support professionals known as desktop support engineers help customers with hardware and software difficulties. Their duties include providing on-site or remote technical support for computer hardware setup, software installation and upgrade, and basic IT problem-solving. The desktop support engineer interview questions will test your understanding of these skills and whether you are suitable for the role.

Top Desktop Support Engineer Interview Questions for 2024

1. What is the active Directory?

All machines and users inside a window domain network are authorized and authenticated by Active Directory, assuring the safety of the hardware and software. Active Directory may be used to manage various tasks, including adding administrators and setting up connections to external hard drives and printers. 

2. What is DHCP, and explain the use of DHCP? 

Dynamic host configuration protocol is what it's called. It assigns IP addresses to a significant portion of the network's computer systems. It makes handling a lot of IP addresses quite simple. 

3. Who is a desktop support engineer?

Desktop support engineers are primarily IT professionals that address information technology (IT)-related problems for businesses or individuals. They are responsible for helping businesses and people with server or rack problems and installing, patching, updating, diagnosing and addressing security issues with this equipment. They may also help with server and security issues that affect organizations and in setting up and maintaining laptops.

4. What is DNS (Domain Naming Service)?

DNS (Domain Name System) essentially serves as the Internet's version of a phone book. Humans utilize domain names like and to access information online. For browsers to access Internet resources, DNS is used to get the IP address of the domain name. Using IP addresses, a web browser communicates with the Internet. 

Every internet-connected device has an IP address that other computers may use to discover. DNS servers eliminate the need for people to learn complicated addresses like 2550:ab00:2628:1::c629:d5a6 or IP addresses like (with IPv4) (in IPv6).

5. Is a Default Gateway necessary?

The unaddressed traffic from a routing device is sent to the local area sub-net through a default gateway. Having a default gateway is not required. You don't need to provide a router if your network is without one.

You only utilize the default gateway address when attempting to connect to a computer on a different network. You will notice an error if you attempt to connect to other networks without it.

6. What is SID (Security Identifier)?

To uniquely identify you, computers or domain controllers employ Security Identifiers (SIDs), which are special identifying codes. Its goal is to employ a string of alphanumeric characters to uniquely identify a person, a group of users, or another security principle. All of the security principal's features, including its name, are connected with the SID allocated to it for the duration of the principal's existence (within a certain domain). It is made such that a principal's name can be changed (for instance, from "Make Smith" to "Make Jones") without having any impact on the security properties of the objects connected to that principal. 

7. Is it possible to reach a client from a place other than the server?

Access to a client can be enabled via the MSTSC command (Remote Desktop Command) from a place other than the server. Essentially, it gives you access to a different person's computer as if you were standing next to it. To achieve this, you must be connected to the same network or be aware of the distant computer's IP address.

To use this command, open a run window and enter the following: mstsc/v:COMPUTER/f. Here, V and f stand for the remote computer and full screen, respectively. Select next. For the Remote Desktop dialogue box to appear, you may alternatively type mstsc and press Enter.

8. How fast is a BUS?

A bus is a straightforward circuit that links one motherboard component to another using an electrical route. A bus will transport data between computer components more rapidly when it can handle more data simultaneously. The pace at which data may be moved from one computer component to another is called "bus speed." Megahertz (MHz), a unit of measurement used to quantify how fast a bus travels and how much data it can carry at once, is the speed of the bus.

9. Define rights, policies, and permissions?

Administrators can provide or revoke access to various network resources, including printers, files, and folders.

OUs (Organizational Units), domains, sites, and other Active Directory containers are allocated policies. Organizations often develop policies and apply them to their resources and objects.

Users and groups are assigned permissions, and you, as the administrator, decide which users have access to which resources. The user's rights outline their intended method of resource access. 

10. Are you familiar with the "Windows Cannot Connect For Updates" issue?

There are often two causes for this problem:

  • Damaged, absent, or destroyed data or
  • If update services are turned off.

The user has two options when this mistake occurs: either they can fix it themselves, or they may report it to Microsoft. Launch the Run command, and put services.msc into it, then press Enter to start fixing the problem yourself. Locate the Windows updating option in the new window and use the right-click menu to pick properties.

Enter "enable" in the start-up blank, then click "start." Once you click OK, the problem will be fixed.

11. What exactly is a "Blue Screen of Death"?

It is a message that appears on the computer's screen following a system crash or a fatal system fault, such as:

  • Excessive processing and CPU use.
  • Memory error
  • Installing flawed software.

The operating system can no longer function reliably. However, the error can be fixed by cleaning the RAM chip, and if it persists, check it on another machine to determine whether the problem is with RAM. Each fault on the Blue Screen of Death has a specific code. Simply copy it, look it up on Google, or talk to someone familiar with it.


1. How Do I Ace a Support Interview?

Five Pointers to Succeed in IT Interviews

  1. Be a softie in IT. 
  2. Regardless of your position, soft skills are prized in today's industry.
  3. Regarding your knowledge, be sincere. 
  4. The technical interview is a necessary evil of applying for an IT position.
  5. Control the conversation.
  6. With your enthusiasm, be enthusiastic.
  7. Come on, geek out.

2. How Do I Interview for Desktop Support?

You have plenty of opportunities to talk about yourself in any field and job. Hiring managers use this question to get to know you better and offer you a chance to talk about your skills and experience that are pertinent to the job.

Describe the responsibilities of your current position and your most important qualifications.

Describe a situation where your desktop support knowledge was useful in resolving it.

Consider the qualities the hiring manager seeks in a candidate and reply accordingly. Don't criticize your old employer or supervisor, either.

3. What is the job profile of a desktop support engineer?

Database administrators organize, store, and change data using specialized tools. Data administration could be a career path from desktop support. A second specialization option is to work as a system DBA, in charge of a database's technical features, or as an application DBA, in charge of creating database support. A strong command of database languages like SQL and a bachelor's degree, particularly in computer science or information technology, are prerequisites for beginning a career in this field. To enhance their resumes, most DBAs also hold numerous certifications from companies like Oracle.

4. What are the roles and responsibilities of a desktop support engineer?

  • Addressing customer support inquiries.
  • Making contact with clients to learn more about the issue.
  • Visiting the client's place or establishing a remote connection.
  • Solving hardware and software problems.
  • Installing and maintaining computer hardware and accessories.
  • Installing and updating computer software and operating systems.
  • Resolving connectivity and networking problems.
  • Recommending hardware or software upgrades.
  • Delivering fundamental instruction in computer management and operation.
  • Procuring supplies and completing task reports.


The desktop support engineer interview questions will help you to ace your interviews and will help you to get the desired job. Apart from this, make sure to brush up on your concepts and prepare for the HR interviews as well because the non-technical interviews are of similar importance. If you ace both the HR and interview rounds, you can get into a top company at the desired profile. If you are looking to enhance your skills further, we highly recommend Simplilearn’s Post Graduate Program in Full Stack Web Development in collaboration with Caltech CTME. This program is ranked the best coding Bootcamp by Career Karma. 

If you have any questions or doubts, feel free to post them in the comments section below. Our team will get in touch with you at your earliest convenience.

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