In this part we going to see the System administrator Interview questions.It pretty sure  that all IT professional must be aware of basic questions of  windows  and hardware .Here i only included some of  the questions from my knowledge  if you  have any questions please include in the comments

1. Explain about Boot process of Windows xp?
2. Difference between Outlook Express and MS Outlook?
3. Difference between Windows xp and Windows 7?
4. What is a DOMAIN? What is the difference between a domain and a workgroup?
5. What are the services used for printer, Wireless and windows firewall?
6. Explain about RAID?
7. How to join a system to the domain?
8. What is IP address?
9. What is DNS?

10.  What is a router? Why we use it?

11.  What is defragment?

12.  What is the difference between a switch and a hub?

13.  What are the Startup options in windows xp?

14.  What is BSOD?

15.  What are the main differences between Windows 2000 and XP?

16.  What would you use to connect two computers without using switches?

17.  What IP address is assigned to the computer when the DHCP server is not available?

18.  What is VPN?

19.  What is VLAN?

20.  What is difference between MSI and EXE file?

21.  How do you backup emails on MS Outlook?

22.  What is IP range in networking side?

23.  Explain about device driver?

24.  What is PING utility?

25.  What is the difference between POP3 and IMAP Mail Server?

26.  What is the difference between Basic dick and dynamic disk?

27.  What is difference between Dial-Up Internet Connection and broadband connection?

28.  What is DHCP and how it works?

29.  What are the standard port numbers for SMTP, POP3, IMAP4, RPC, LDAP and Global Catalog?

30.  What is Active directory Schema?

31.  What is IPv6?\

32.  What is a LM host file used for?

33.  Difference between FAT and NTFS?

34.  What is an incremental backup?

35.  How a TCP/IP network works?

36.  What is Group Policy?

37.  What tools do I use to manage Group Policy?

38.  How long does it take to process policy settings?

39.  What is Security Policy?

40.  What is loopback address?

41.  What is the difference between unix and windows operating systems?

42.  What causes a computer to reboot itself?