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25+ Top IT Interview Questions & Answers🏅

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IT, Information Technology, is known to be one of the most stressful professions, therefore, the interviewer as of now has a set arrangement of questions that are to be asked to the people applying for a post in the IT department. These inquiries are carefully created. This article goes through some typical IT Interview questions and answers.

IT Interview Questions & Answers

1. Which desktop operating systems are you familiar with?

You should have acquainted yourself with the system utilized by the association you are planning to join. Concentrate your answer on those systems, yet in addition say different systems with which you have understanding.

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2. What are the disadvantages of utilizing imaging software?

This question is intended to test your familiarity with imaging software. Describe image testing and the credits of specific software to demonstrate your familiarity with imaging.

3. Define Hard-Disk Partitions?

Hard disk partitions the hard disk drive into smaller segments to enable better space management. Each segment on the disk would then be able to be considered as a different plate allowing different file systems to be used on each.

4. What is the difference between RAM and ROM?

RAM stands for Random Access Memory. It is utilized for the temporary storage of data that is being worked on. ROM is Read-Only Memory and is utilized for permanent storage of data that should never be changed, like BIOS for example.

5. How do you deal with multiple tasks and deadlines?

To help you manage your team’s workload and hit deadlines, here are 6 steps to prioritizing projects that have a lot of moving parts.

  • Collect a list of all your tasks.
  • Identify urgent vs. important.
  • Assess value.
  • Order tasks by estimated effort.
  • Be flexible and adaptable.
  • Know when to cut.

6. If the audio for your computer is not working, what would you check?

Check the following: Speaker volume, cable associations, power to the speakers, and device drivers.

7. What are the lights on a Modem/LAN Card and what do they indicate? The lights are:

Power light – shows if the power is on

Link light – shows if the modem is accepting broadband or web signals from the ISP

Data light – demonstrates if the web is working

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Connectivity light – demonstrates if the modem is associated with a PC

8. What are a portion of the Ports accessible on a PC?

Normal ports are PS/2 ports, for keyboard and mouse. USB ports. Sound ports.LAN or Ethernet ports. VGA ports.

9. What does DHCP remain for and what is its purpose?

Dynamic Host Configuration Protocol – it appoints dynamic IP addresses to network devices allowing them to have a different IP address each time they are connected to the network.

10. What does DNS stand for and what is it utilized for?

Domain Name Service (or System or Server) – it makes an interpretation of domain names into IP addresses.

11. What is the purpose of BOOT.INI?

Boot.ini is utilized to choose which operating system options are shown during the start-up process.

12. Identify a few Firewalls

There are two basic types of firewalls– the network layer, which makes decisions based on source and destination addresses, and the application layer, which are hosts that run on proxy servers and allow no direct traffic between networks. Comodo and Zone’s Alarm are two normally utilized firewalls.

13. What is the process of troubleshooting?

Troubleshooting is a type of problem-solving, regularly connected to repairing failed items or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it and make the product or process operational again.

14. What is the use of Eclipse?

Eclipse is an integrated development environment (IDE) used in computer programming, and is the most broadly utilized Java IDE. It contains a base workspace and an extensible module system for customizing the environment.

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15. What is an IP address?

Each device associated with the public Internet is assigned a unique number known as an Internet Protocol (IP) address. IP tends to comprise four numbers isolated by periods (additionally called a ‘dotted quad’) and look something like 127.0.0.1

16. What are the pseudo-elements?

A CSS pseudo-elements is utilized to style specified parts of an element. For instance, it can be utilized to Style the primary letter, or line, of an element. Insert content sometime recently, or after, the substance of elements.

17. Tell me about some common abbreviations?

CRT = Cathode Ray Tube
LCD = Liquid Crystal Diode
HTML = Hyper Text Markup Language
DOS = stands for Disc Operating System
ROM = Computer memory which never erased
Oracle = Data Base Program
Microsoft Excel = database program
Scanner = an Input Device
Nano Second = Processing speed of the computer is measured in Nano Second
Binary = The computer uses in operations of mathematics-
Windows-11 = Version of MS Windows

18. What is a Secure Digital Card (SD card)?

A Secure Digital (SD) card is a tiny memory card used to make storage portable among various devices, such as car navigation systems, cellular phones, eBooks, PDAs, smartphones, digital cameras, music players, camcorders, and personal computers.

19. What is RAID in Information Technology?

RAID is an information storage virtualization technology that combines multiple disk drive components into a logical unit for the purposes of data redundancy or performance improvement.

20. What is SATA?

SATA-Serial ATA is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives.

21. What is ATA?

ATA-Advanced Technology Attachment is the official name that American National Standards Institute group X3T10 uses for what the computer industry calls Integrated Drive Electronics

22. What is LCD?

LCD is the technology used for displays in notebooks and other smaller computers. Like Light-emitting diode and gas-plasma technologies, LCDs allow the display to be much thinner than the cathode ray tube technology.

23. What is PIC Slot?

Designed by Intel, Compaq, and Digital, the PCI bus first appeared in PCs in 1993 and co-existed with the ISA bus for many years. Later, motherboards had only PCI slots and one specialized slot for the display adapter; first AGP and then PCI Express.

24. What is a Subnet Mask?

A subnet (short for “subnetwork”) is an identifiably separate part of an organization’s network. Typically, a subnet may represent all the machines at one geographic location, in one building, or on the same local area network (LAN).

25. What is DHCP?

DHCP is Dynamic Host Configuration Protocol. In a networked environment, it is a method to assign an ‘address’ to a computer when it boots up. Benefit: A system administrator need not worry about computers being able to access networked resources.

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