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IT Support Interview Questions

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1. What are the tools that will be helpful to you in identifying the problems and solving them?

It has a limitation on the size of the data, also most microprocessor does not support floating point operations.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.

2. What is TCP/IP?

Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.It has a limitation on the size of the data, also most microprocessor does not support floating point operations.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.

3. What do you mean by OSI?

It has a limitation on the size of the data, also most microprocessor does not support floating point operations.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

4. What is the disadvantage of microprocessor?

Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.It has a limitation on the size of the data, also most microprocessor does not support floating point operations.

5. What is SATA?

OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.SATA stands for Serial Advanced Technology Attachment. It is high speed computer bus interface designed to connect the host bus adapters to mass storage devices, such as hard disk drives and optical drives.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.

6. What is heat sink and what is the use in the system?

Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.To lower the temperature of a device, a heat sink component is used. It is there on the microprocessor and if it is not functioning well then the computer will shut down automatically.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

7. What is over clocking? What are the advantages of over clocking?

It is a process where the computer component is forced to run at a higher clock rate.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.

8. What is your troubleshooting process?

I first gather info and facts from the customer, then identify and verify the issue. Next, I try common quick fixes. If that's not successful, I use additional resources to research the issue. Once a solution is found, I perform appropriate repairs or replacement if necessary. After the solution is implemented, I test thoroughly to ensure everything is OK.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.

9. What is Jumper and why you need it?

TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Jumper is a metal bridge that closes an electric circuit. A jumper consists of a plastic plug that fits over a pair of protruding pins. It is used to change the board's parameters.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

10. What does it mean by interrupt?

TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.To perform a particular task, interrupt is a signal send by external device to the processor.

11. What is DHCP?

OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.DHCP stands for Dynamic Host Configuration Protocol, it is a network protocol, and it enables the server to assign automatically, IP address to a computer.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.

12. What do you mean by packaging a Microprocessor? What are the different packaging's available?

The process of packaging a microprocessor to the computer motherboard is known as a microprocessor. The different types of microprocessor's packaging are: PGA - SPGA - SECC - LGATCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

13. What is the expected period of an average call while dealing with the customers?

The expected period of an average call would be around 2-3 minutes, sometimes less or more depending on the problem complexity.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.

14. How you keep yourself updated with the current technology?

OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.I keep myself connected with social networking sites, the first platform for any technological advancement news and also keep surfing on the latest technology on internet.

15. What is stack and can we use ROM as stack?

Stack is a portion of RAM used for saving the content of the program counter and general purpose registers. ROM cannot be used as a stack, as it is not possible to write on ROM.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

16. The advantages of over clocking are:

Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.Increases the CPU's performance - It is cost-saving - Makes PC games and Applications to run fasterOSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.

17. What does a '?' sign in device manager indicate?

When this sign appears, it indicates the device is not properly installed. Such problem arises in case of brand new plug-in cards.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.

18. What are the different types of DRAM?

TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.SRAM, VRAM, SGRAM, DDR-SDRAM

19. What are RJ45 and RJ11 connectors?

TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.RJ45 connectors are used for LAN/internet connections while RJ11 connectors are used for Table cable connectors.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

20. What is Latch?

OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.It is a temporary storage device controlled by a timing signal, which can store 1 or 0. It is a D-type flip flop storage device.

21. What is the difference between Static and Dynamic?

TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Static is something that stays the same. In this instance, the question refers to a static IP address; these addresses are manually set and remain the same for the set duration (for in-house equipment, indefinitely; for guests, the duration of their stay). Dynamic is something that changes. For IP addresses, it means that the address can change every time a computer connects to the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

22. Explain the Cache memory? What is the advantage of a processor having more cache memory?

Cache memory is the memory area between Processor and Ram. If the cache memory increases, the speed of the system will also increases.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

23. How will you cope up with a customer, who complains about a brand new printer and system, and yet failing to get a proper print copy?

24. Name some of the latest Computer Processors.

Intel Pentium Quad Core, Intel I3, I5 and I7 processor are some of the latest Computer Processor.TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

25. Why 8085 processor is called 8 bit processor?

TCP/IP stands for Transmission Control Protocol or Internet protocol. It is used to connect hosts on the internet, by transferring data over the network.Manuals, Knowledge, team-members and experience are the tools that will be helpful to trouble shoot the problem and solving them.It is called 8 bit processor as it has 8 bit ALU (Arithmetic Logic Unit).OSI stands for open system interconnection. It is a standard description or a reference model of how message should be conveyed between any two points within a telecommunication network. It is made up of several layers and each layer provides services to the layer above.

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25 Questions

❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know? Privacy | Terms |

Without work one finishes nothing. - Ralph Waldo Emerson© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
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Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com