Frequently Asking Interview Question and Answers

There should be a blend of hardwork and commitment required to crack any interview with ease. Now that you would be attending an interview in hardware and networking, we at SLA have compiled you a list of interview questions and answers.

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Hardware and Networking Interview Questions

Hardware and Networking Interview Question and Answers

  1. Mention different Types of Operating Systems
  2. Mention microsoft client and server Operating Systems
  3. Microsoft Server Operating Systems
  4. How will you check whether the SMPS is working or not?
  5. What are the Input and Output voltage of SMPS?
  6. What are the types of SMPS connectors
  7. What are the types of Hard Disk
  8. What are the Types of Partition?
  9. What are the types of RAM?
  10. How can we differentiate the various types of RAM?
  11. What is POST and BIOS?
  12. Whatare the layers of the OSI reference model?
  13. What is a LAN?
  14. What are routers?
  15. What is subnet mask?
  16. What is NIC?
  17. How many layers are there under TCP/IP?
  18. What is a private IP address?
  19. What are MAC addresses?
  20. Describe star topology
  21. What is the disadvantage of a star topology?
  22. What is the difference between a hub and a switch?
  23. What is ipconfig?
  24. Describe networking.
  25. What is one advantage of mesh topology?
  26. What are the full form of SATA, SCSI, FAT, NTFS, SMPS

1. Mention different Types of Operating Systems

Microsoft Windows, Linux, IOS, MAC, Unix

2. Mention microsoft client and server Operating Systems

Microsoft Client Operating Systems
Windows 95, Windows 98, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10

3. Microsoft Server Operating Systems

Windows Server 2000, Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows Server 2016

4. How will you check whether the SMPS is working or not?

Use a small copper wire and short the Green and Black wires.Give the power input to the SMPS,if the SMPS fan rotates then the SMPS is working otherwise not.

5. What are the Input and Output voltage of SMPS?

Input voltage:
230 volt AC current
Output voltage:
+5 v,-5 v,+12 v,-12 v,+3.3 v,-3.3 v and Ground

6. What are the types of SMPS connectors

Power Connector, Molex Connector, Mini Connector, Sub mini Connector, Sata Connector

7. What are the types of Hard Disk

IDE Hard Disk,SATA Hard Disk, SCSI Hard Disk

8. What are the Types of Partition?

Primary Partition,Extended Partition,Logical Drive

9. What are the types of RAM?

SRAM, DRAM, SDRAM, DDR1, DDR2, DDR3, DDR4

10. How can we differentiate the various types of RAM?

We can differentiate based on notches, no of pins,data transfer Speed

11. What is POST and BIOS?

POST stands for Power On Self Test.It is the process by which the computer checks whether all devices’ connection and power supply is proper.POST happens during startup.

BIOS Stands for Basic Input Output System.It maintains all hardware information.

Whatare the layers of the OSI reference model?

There are 7 OSI layers: Physical Layer, Data Link Layer, Network Layer, Transport Layer, Session Layer, Presentation Layer and Application Layer.

13. What is a LAN?

LAN is short for Local Area Network. It refers to the connection between computers and other network devices that are located within a small physical location.

14. What are routers?

Routers can connect two or more network segments. These are intelligent network devices that store information in its routing table such as paths, hops and bottlenecks. With this info, they are able to determine the best path for data transfer. Routers operate at the OSI Network Layer.

15. What is subnet mask?

A subnet mask is combined with an IP address in order to identify two parts: the extended network address and the host address. Like an IP address, a subnet mask is made up of 32 bits.

16. What is NIC?

NIC is short for Network Interface Card. This is a peripheral card that is attached to a PC in order to connect to a network. Every NIC has its own MAC address that identifies the PC on the network.

17. How many layers are there under TCP/IP?

There are four layers: the Network Layer, Internet Layer, Transport Layer and Application Layer.

18. What is a private IP address?

Private IP addresses are assigned for use on intranets. These addresses are used for internal networks and are not routable on external public networks. These ensures that no conflicts are present among internal networks while at the same time the same range of private IP addresses are reusable for multiple intranets since they do not “see” each other.

19. What are MAC addresses?

MAC, or Media Access Control, uniquely identifies a device on the network. It is also known as physical address or Ethernet address. A MAC address is made up of 6-byte parts.

20. Describe star topology

Star topology consists of a central hub that connects to nodes. This is one of the easiest to setup and maintain.

21. What is the disadvantage of a star topology?

One major disadvantage of star topology is that once the central hub or switch get damaged, the entire network becomes unusable.

22. What is the difference between a hub and a switch?

A hub acts as a multiport repeater. However, as more and more devices connect to it, it would not be able to efficiently manage the volume of traffic that passes through it. A switch provides a better alternative that can improve the performance especially when high traffic volume is expected across all ports.

23. What is ipconfig?

Ipconfig is a utility program that is commonly used to identify the addresses information of a computer on a network. It can show the physical address as well as the IP address.

24. Describe networking.

Networking refers to the inter connection between computers and peripherals for data communication. Networking can be done using wired cabling or through wireless link.

25. What is one advantage of mesh topology?

In the event that one link fails, there will always be another available. Mesh topology is actually one of the most fault-tolerant network topology.

26. What are the full form of SATA, SCSI, FAT, NTFS, SMPS

SATA: Serial Advanced Technology Attachment

SCSI: Small Computer System Interface

FAT: File Allocation Table

NTFS: New Technology File System

SMPS: Switch Mode Power Supply

Hope these interview questions have been a learning experience for you. Go through them diligently and crack the interview with confidence.