Top Interview Questions For Technical Support Professional
In today’s digital world, businesses of all kinds rely on Information Technology (IT), making a tech team indispensable. Among the professionals in this team, the Technical Support Professional plays a crucial role in overseeing and maintaining an organization’s computer hardware and software systems. With the growth of businesses, the demand for Technical Support Professionals has also increased. Moreover, the role provides an excellent opportunity for anyone looking to build a career in IT with zero experience. Although they are a company’s junior-level professionals, you must prepare for and pass the interview round to become one. So in this article, we will provide Technical Support Professional interview questions with answers.
Technical Support Interview Questions:
1. What do you know about a Technical Support Professional’s role?
The role of a Technical Support Professional is to maintain and monitor an organization’s computers and networks.
A Technical Support Professional is expected to do the following:
- Install and configure computer hardware, OS, and software
- Help in the setup of systems or the resolution of problems
- Troubleshoot system and network issues, including diagnosing and resolving hardware and software flaws
- Create new user accounts and profiles, and deal with password issues
- Detect and resolve hardware and software faults
- Evaluate and test new technology
2. What is cache memory? What are the benefits?
Cache memory is a high-speed semiconductor computer memory that boosts the CPU’s speed and performance. It serves as a buffer between memory and the CPU.
Benefits of cache memory:
Cache memory is significantly faster than primary and secondary memory, and it saves all of the data and instructions that the CPU frequently uses, increasing the CPU’s performance.
3. How do you troubleshoot an issue?
There are four steps to troubleshooting (almost) any IT issue:
- Step 1: Identify the problem
- Step 2: Gather more information and eliminate variables
- Step 3: Recreate the problem and develop a root cause hypothesis
- Step 4: Based on the findings, attempt a repair
4. What is GUI or Graphical User Interface?
The Graphical User Interface (GUI) serves as a link between humans and machines. Its user-friendly interface uses windows, menus, icons, and other graphical elements, simplifying everyday applications.
5. What is BIOS?
The BIOS (Basic Input Output System) is firmware or software that is primarily used to boot the computer’s operating system. BIOS is a pre-installed program in the computer’s motherboard that is executed when the computer is turned on. It checks and configures all input and output devices to determine whether they are connected and functioning correctly.
6. What is a microprocessor? What is its purpose?
A microprocessor is an integrated circuit with decision-making capability that executes a set of computer instructions and tasks. It is the central processing unit in a computer system, performing arithmetic and logical functions and executing program instructions.
7. What do you mean by chipset?
A chipset refers to a group of electronic components on the motherboard that enables communication between the processor and other components. It serves as a traffic controller for the CPU, GPU, RAM, storage, and peripherals.
8. What do you know about Boot.ini? What are the various sections?
Boot.ini is a text file that is hidden at the root of the system partition, usually c:\\Boot.ini. It stores the boot options for BIOS-enabled systems.
Boot.ini is divided into two sections:
- Boot loader
- Operating Systems (OS)
9. What do you understand about Ping? How does it work?
Ping stands for Packet Internet Groper. It is a protocol that checks and measures latency or the response time it takes to send or receive a packet of data between two devices on a network, such as a computer, to provide troubleshooting.
Ping sends an ICMP (Internet Control Message Protocol) echo request to a particular network interface and then waits for a response.
10. What is the distinction between an SDK and an API?
| SDK | API |
| It stands for Software Development Kit. | It stands for Application Programming Interface. |
| It is a collection of tools, code samples, libraries, processes, guides, and relevant documents for developing software applications on specific platforms. | It is a collection of libraries comprising the core language with which you can work immediately. |
| It is a development kit that makes it easier to use an API. | It is an interface that allows the software to communicate with one another. |
11. What do you know about overclocking? What are some of the benefits of overclocking?
Overclocking is the process of boosting the CPU’s clock rate above the motherboard’s default setting to make it run faster. It boosts computer performance by allowing more operations to be performed per second.
The following are the primary benefits of overclocking:
- It improves the performance of the CPU.
- It saves money.
- It accelerates the performance of PC games and applications.
12. Do you know what system files are?
Any file with the hidden system attribute enabled is referred to as a system file.
- INI- allows you to select the operating system
- COM- used to obtain information about hardware run by ntldr
- SYS- used to boot Windows from SCSI disc devices
- NTLDR- used to boot the Windows OS
- Registry data files
13. What functions does an operating system perform?
The operating system is software that enables computer applications to function.
- System performance management
- Memory administration
- Organizes and prioritizes applications
- Organizes and manages files and folders
- Protects computer data
- Aids for detecting errors
14. What are the different components of a PC?
A PC (Personal Computer) is a low-cost, digital computer built for one user.
The following are the components of a PC:
- Motherboard
- CPU (Central Processing Unit)
- RAM (Random Access Memory)
- Storage (Hard drive)
- Keyboard
- Mouse
- GPU (Graphics Processing Unit)
- Network card
- Sound card
- Cooling fan
- Power supply
 15. One GHz generates how many cycles per second?
One GHz generates one billion cycles per second.
16. What is a microprocessor’s packaging? What are the various packaging options available?
The process of connecting a microprocessor to a computer’s motherboard is known as packaging.
The following are the various types of microprocessor packaging available:
- PGA
- SPGA
- SECC
- LGA
17. What does the ‘?’ symbol mean in device management?
This ‘?’ symbol indicates that the device is not installed correctly, which is a problem with plug-in cards.
18. What is a graphics card?
A graphic card, also known as a graphic adapter or video controller, is an integrated circuit that generates and displays images and video on a device’s screen. It converts graphical data from graphics into a signal that the monitor can understand to display an image on your monitor.
19. What are the types of Hard Disc Drive (HDD) connectors?
The various Hard Disc Drive (HDD) connectors are as follows:
- PATA
- SATA
- SCSI
20. What are the various types of CPU technologies?
The various CPU technologies include the following:
- Hyper-threading
- Dual core
- Multi-core
- Throttling
- Microcode
- Overclocking
- Cache
Technical Support Professional with InfosecTrain
Employers around the world rely on CompTIA A+ to identify the go-to person in technical support roles because it is the only industry-recognized credential. Becoming CompTIA A+ certified empowers individuals to support security, networking, virtualization, cloud computing, data management, and other fundamental technologies, giving them a competitive edge in the job market. So if you wish to become a Technical Support Professional and start your career in IT, you can join InfosecTrain for the CompTIA A+ certification training course. The course will enhance your ability to perform IT support responsibilities and further help you ace your Technical Support Professional interview.
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