IT Helpdesk Executive
10+ IT Helpdesk Executive Interview Questions and Answers
Q1. What is the port number of DNS, DHCP, active directory
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
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
Q3. If internet goes down what you will check first
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
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
Q5. What you will do if domain controller goes down
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
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.?
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
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
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?
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
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
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
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
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
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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