TECHNICAL SUPPORT/ DESKTOP SUPPORT / ENGINEER INTERVIEW QUESTIONS. Q: Tell me something about yourself. Tell about your education, place you belong to, some struggle in life which shows that you have positive attitude and will to fight the odds. 1) What is Active Directory? A central component of the Windows platform, Active Directory directory service provides the means to manage the identities and relationships that make up network environments. For example we can create, manage and administrator users, computers and printers in the network from active directory. 2) What is DNS? Why it is used? What is "forward lookup" and "reverse lookup" in DNS? What are A records and mx records? DNS is domain naming service and is used for resolving names to IP address and IP addresses to names. The computer understands only numbers while we can easily remember names. So to make i...