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Thursday, 24 September 2015

50 TOP Desk top Support Interview questions and Answers

1)      What is active directory?
Active directory authorizes and authenticates all users and computers in a window domain network, ensuring the security of the computer and software. Through active directory various functions can be managed like creating admin users, connecting to printers or external hard drives.

2)       What is DHCP and what it is used for?
DHCP stands for dynamic host configuration protocol. It is used to allocate IP addresses to a large number of the computer system in a network.  It helps in managing the large number of IP’s very easily.

3)      What is scope and super scope?
Scope consists of an IP address like gateway IP, subnet mask, DNS server IP. It can be used to communicate with the other PCs in the network. The superscope becomes when you combine two or more scopes together.

4)      What is DNS?
DNS mean Domain Naming Service and it is used for resolving IP addresses to name and names to IP address. DNS is like a translator for computers, computers understand the number and not the alphabet. For example, if we type like hotmail.com, the computer don’t understand this so they use DNS which converts (hotmail.com) into (numbers) and then executes the command.

5)      What is forward and reverse lookup in DNS?
When we convert IP address into names is called Reverse lookup, while converting names into IP address is called Forward lookup.

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