IT Helpdesk jobs

During a Helpdesk interview, the interviewers will want to asses more than basic technical know-how. You will also be qustioned on how you listen and question effectively, interpret and solve problems, give simple technical support and keep track of problems and resolutions.
 
Below are some IT helpdesk questions:

What IT help desk tools are you familiar with?

What software applications and networking programs tools do you use?

Have you been responsible for maintaining a network setting? What was the base size, and expectations?

What is the IT trouble shooting procedure?

What programs have you used to log calls?

Describe you experience in: firewalls, spy ware detection and virus ware implementation.

Describe your knowledge in: PC hardware and operating systems.

Describe your experience in: Windows, Linux/Unix Operating Systems/Networking and TCP/IP

What is the port number for HTTP?

What is DNS ? What does DNS do ? What protocol does PING use ?

What command you use to list all the ports ? What does FTP means ? “ TCP “ ? “ DHCP”?

What is pop3 and smtp and what ports they work on?

What ports the telnet , dns , smtp , pop3 , ftp use ? At the command prompt how do you know if the PC has network connectivity?

What is the difference between Internet and Intranet?

What is an IP address?

What are classes IP addresses?

How do you obtain system information on win 2000?

At the command prompt what command you use to know the IP address from the machine?

What command would you use to list a file?

Explain how you dealt with a difficult customer?

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