1. Why active directory not asking for os setup(server). when we install the active directory?

Active directory is a centralized data base, group of servers, computer, user are common NTDS base this used in organization. Or company.

This not for OS level, its microsoft based its like installed tool server manager ADDS and Mondaory for DNS.

2. What is the use of ping command?

by using the ping command we can know wether our network is dead or alive..........

3. What is patch management?

Patch management is an area of systems management that involves acquiring, testing, and installing multiple patches (code changes) to an administered computer system. Patch management tasks include: maintaining current knowledge of available patches, deciding what patches are appropriate for particular systems, ensuring that patches are installed properly, testing systems after installation, and documenting all associated procedures, such as specific configurations required. A number of products are available to automate patch management tasks, including Ringmaster's Automated Patch Management, Patch Link Update, and Gibraltar's Ever guard

4. What is difference between TCP/IP and UDP?

TCP - Transfer Control Protocol.

* a. Reliable
* b.Connection oriented.
* c.Acknowledgement

UDP - User Datagram Protocol.

* a.Non Reliable
* b.Connectionless
* c.No Acknowledgement

5. What is NVT (Network Virtual Terminal)?

It is a set of rules defining a very simple virtual terminal interaction. The NVT is used in the start of a Telnet session.

6. What is RIP (Routing Information Protocol)?

It is a simple protocol used to exchange information between the routers.

7. What is SLIP (Serial Line Interface Protocol)?

It is a very simple protocol used for transmission of IP datagrams across a serial line.

8. What is Kerberos?

It is an authentication service developed at the Massachusetts Institute of Technology. Kerberos uses encryption to prevent intruders from discovering passwords and gaining unauthorized access to files.

9. What is IGP (Interior Gateway Protocol)?

It is any routing protocol used within an autonomous system.

10. What is EGP (Exterior Gateway Protocol)?

It is the protocol the routers in neighboring autonomous systems. It is used to identify the set of networks that can be reached within or via each autonomous system.

Download Interview PDF