10+ IT Helpdesk Executive Interview Questions and Answers

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

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

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

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

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

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

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

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

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

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.

Python code to print 'Hello, World!'

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

• Enclose the text in single or double quotes

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