I am a tech, if these very rudimentary questions cannot be EASILY ANSWERED by your candidate, then for the love of of all that is holy put this candidate on your Do Not Hire list.
Q) Tell me how I would obtain an IP address on a computer using only the command prompt.
A) IPCONFIG
Q) What is a MAC address and how would you find it?
A) The MAC is a hexadecimal hardware address defined and set by the manufacturer of the NIC(Network Interface Card) in the computer. IPCONFIG is the command used to display this address.
Q) Tell me the difference between a physical and logical connection.
A) A physical connection is local, pertaining to physically connected objects such as a printer to a USB port or an ethernet cable to a NIC card. A logical connection is made through a network. It pertains to a connection to a printer through a network, or to a server in another state.
Q) What is a NIC card, and what does it do?
A) A Network Interface Card provides the physical connection of a computer to a network.
Q) If a user tells you that their monitor stopped working, what's the first thing you check?
A) Power
Q) At the command prompt, what command would you use to check connectivity?
A) PING
Q) What command is used at the RUN prompt to check for startup programs and processes?
A) MSCONFIG
Q) Name one of two things you would check if a Windows install disk you placed in the optical drive is not being recognized.
A) 1. scratched or damaged disk 2) Drive being used is not a DVD reader.
Q) What would a crossover cable be used for?
A) Connecting two computers via ethernet to each other.
Q) If a disc is not available, how would you obtain software drivers for attached hardware?
A) Manufacturer's website.
I made these up on the fly, if I think of more, I'll update the list.