Desktop Support and Help Desk Engineer

Desktop Support and Help Desk Engineer Interview Questions and Answers

Updated 19 Jul 2021

Q1. if computer not turning on plz explain the Steps of troubleshooting

Ans.

Steps to troubleshoot a computer that won't turn on

  • Check power source and connections

  • Check power button and cables

  • Check for any signs of damage or overheating

  • Try a different power outlet or power supply

  • Check BIOS settings and hardware components

  • Consult manufacturer's troubleshooting guide or seek professional help

Q2. types of ip address and there classes with there range

Ans.

There are 3 types of IP addresses: IPv4, IPv6, and MAC. IPv4 has 4 classes: A, B, C, and D.

  • IPv4: 4 classes - A (1.0.0.0 to 126.0.0.0), B (128.0.0.0 to 191.255.0.0), C (192.0.1.0 to 223.255.255.0), D (224.0.0.0 to 239.255.255.255)

  • IPv6: 8 groups of 4 hexadecimal digits separated by colons (e.g. 2001:0db8:85a3:0000:0000:8a2e:0370:7334)

  • MAC: 6 groups of 2 hexadecimal digits separated by colons (e.g. 00:1B:44:11:3A:B7)

Q3. what is pst in outlook

Ans.

PST is a file format used by Microsoft Outlook to store email messages, contacts, calendar events, and other data.

  • PST stands for Personal Storage Table.

  • It is used to store data locally on a computer.

  • PST files can be imported and exported to transfer data between different computers or email clients.

  • Outlook has a size limit for PST files, which can cause issues if exceeded.

  • PST files can be password protected for security purposes.

Q4. what is network layer do

Ans.

The network layer is responsible for routing and forwarding data packets between different networks.

  • It is the third layer of the OSI model

  • It provides logical addressing and routing services

  • It determines the best path for data to travel between networks

  • Examples of network layer protocols include IP and ICMP

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Q5. types of osi layers

Ans.

OSI (Open Systems Interconnection) model has 7 layers.

  • Physical layer

  • Data link layer

  • Network layer

  • Transport layer

  • Session layer

  • Presentation layer

  • Application layer

Q6. diff lan wan man

Ans.

LAN, WAN, and MAN are types of computer networks that differ in their geographical coverage and connectivity.

  • LAN (Local Area Network) is a network that covers a small geographical area, such as a home, office, or building.

  • WAN (Wide Area Network) is a network that covers a large geographical area, such as a city, country, or even the world.

  • MAN (Metropolitan Area Network) is a network that covers a larger geographical area than a LAN but smaller than a WAN, such as a city or me...read more

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