IT Helpdesk Executive

10+ IT Helpdesk Executive Interview Questions and Answers

Updated 16 Jul 2024
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Q1. What is the port number of DNS, DHCP, active directory

Ans.

DNS - 53, DHCP - 67/68, Active Directory - 389

  • DNS port number is 53

  • DHCP port numbers are 67 and 68

  • Active Directory port number is 389

Q2. What is Ip and how many versions its have

Ans.

IP stands for Internet Protocol. It is a set of rules that governs the communication between devices on the internet.

  • IP is a unique address assigned to each device connected to the internet

  • It is a numerical label assigned to each device

  • There are two versions of IP - IPv4 and IPv6

  • IPv4 uses 32-bit addresses and IPv6 uses 128-bit addresses

IT Helpdesk Executive Interview Questions and Answers for Freshers

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Q3. If internet goes down what you will check first

Ans.

I would check the network connection, router settings, and contact the internet service provider.

  • Check network connection on the device

  • Verify router settings and restart if necessary

  • Contact internet service provider for outage information

Q4. How you will do the housekeeping of server

Ans.

Housekeeping of servers involves regular maintenance tasks to ensure optimal performance and security.

  • Regularly update software and firmware to patch security vulnerabilities

  • Monitor server performance and address any issues promptly

  • Clean up unnecessary files and logs to free up disk space

  • Implement backup and disaster recovery plans to prevent data loss

  • Document server configurations and changes for future reference

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Q5. What you will do if domain controller goes down

Ans.

I will troubleshoot the issue, check for backups, and work on restoring the domain controller.

  • Troubleshoot the issue to identify the root cause

  • Check for backups and restore if available

  • Work on restoring the domain controller to bring it back online

Q6. Do you know about IP

Ans.

IP stands for Internet Protocol, a set of rules governing the format of data sent over the internet.

  • IP is responsible for routing data packets between devices on a network

  • There are two versions of IP - IPv4 and IPv6

  • IP addresses are unique identifiers assigned to devices on a network

  • IP addresses can be either static or dynamic

  • IP is a layer 3 protocol in the OSI model

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Q7. What does Ping command do.?

Ans.

Ping command is used to test the connectivity between two devices on a network.

  • Ping sends a small packet of data to the destination device and waits for a response.

  • It measures the time taken for the packet to reach the destination and come back.

  • It can be used to check if a device is reachable, troubleshoot network issues, and test internet connectivity.

  • Example: ping google.com

Q8. In which technology you are best

Ans.

I am best in troubleshooting hardware and software issues, network configurations, and providing technical support to end users.

  • Troubleshooting hardware and software issues

  • Network configurations

  • Providing technical support to end users

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Q9. What is the work of ping command

Ans.

Ping command is used to test the reachability of a host on an IP network.

  • Ping sends ICMP echo request packets to the target host

  • It waits for the host to respond with an ICMP echo reply

  • Ping measures the round-trip time for the packets to reach the host and come back

  • It can also show packet loss and network latency

Q10. What is networking? Role of IT helpdesk?

Ans.

Networking is the process of connecting devices to share resources and information. IT helpdesk plays a crucial role in maintaining network infrastructure.

  • Networking involves connecting devices to share data and resources

  • IT helpdesk ensures smooth functioning of network infrastructure

  • Helpdesk troubleshoots network issues and resolves them

  • Helpdesk ensures network security and monitors network performance

  • Helpdesk assists users in connecting to the network and accessing resource...read more

Q11. What are the colour code of 568b

Ans.

The colour code of 568b is a standard for wiring Ethernet cables.

  • The colour code follows a specific pattern of pairing colours with their corresponding white-striped colour.

  • The order of the colours is: orange-white, orange, green-white, blue, blue-white, green, brown-white, brown.

  • This colour code is used for wiring Ethernet cables in a straight-through configuration.

  • An example of a correctly wired Ethernet cable using the 568b colour code is: orange-white, orange, green-white...read more

Q12. What is the colour code of 568b

Ans.

The colour code of 568b is a standard for wiring Ethernet cables.

  • The colour code follows a specific pattern of pairing wires in the cable.

  • The pairs are twisted together to reduce interference.

  • The colour code for 568b is: orange-white, orange, green-white, blue, blue-white, green, brown-white, brown.

  • This colour code is commonly used in Ethernet networks.

Q13. Waht is ip And how version of Ip

Ans.

IP stands for Internet Protocol. It is a set of rules that governs the communication between devices on a network.

  • IP is a unique identifier assigned to each device on a network

  • There are two versions of IP - IPv4 and IPv6

  • IPv4 uses a 32-bit address and can support up to 4.3 billion unique addresses

  • IPv6 uses a 128-bit address and can support an almost infinite number of unique addresses

  • IP addresses are used to route data packets between devices on a network

Q14. Plzz write a python code

Ans.

Python code to print 'Hello, World!'

  • Use the print() function in Python to display text

  • Enclose the text in single or double quotes

Q15. Basic troubleshooting steps

Ans.

Basic troubleshooting steps involve identifying the problem, researching solutions, implementing fixes, and testing to ensure resolution.

  • Identify the issue by asking questions and gathering information

  • Research possible solutions through knowledge base, documentation, or online resources

  • Implement fixes by following step-by-step instructions or using troubleshooting tools

  • Test the solution to ensure the problem is resolved

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