Top 55 Interview Questions for Microsoft System Administrators – Blog

Top 55 Interview Questions for Microsoft System Administrators – Blog

A system administrator is responsible for the maintenance, configuration, reliability, and upkeep of computer systems, especially multi-user computers such as servers. A person responsible for overseeing the operation of a computer network or a particular type of electronic communication. He is responsible for computer system care, configuration, reliability, and functioning. The System Administrator’s responsibilities include troubleshooting, installing, configuring and troubleshooting software, hardware, and application upgrades, as well as infrastructure improvements.
1. Describe the function and purpose of Windows Server.
Windows Server is an operating platform that uses a centralised computer to allow users and machines to be linked to a network with specific capabilities and predetermined rules.
2. What is a Windows Domain?
Windows Domain is part of a domain controller’s database and a consolidated location where users can access their computers, printers, security features, and user accounts.
3. What is DNS and what port does it use?
Domain Name System (DNS), a system that converts domain name into numeric IP addresses, is what you need. DNS uses port 53, either TCP or UDP.
4. What are the most common and most important queries DNS can answer?
DNS can perform two types of queries: iterative or recursive.
5. What is Active Directory? How does it work?
Active Directory is a Windows Server OS Service that authenticates users and computers within a Domain. It can enforce security regulations and deploy apps to domain-connected computers.
6. Where is Active Directory located?
Use file name NTDS.DIT. It is located in the folder %SystemRoot%ntds.
7. What is a Lingering Object? How does it work?
If an object is deleted from Active Directory when the Domain Controller is offline, a lingering object may be created. A temporary Tomb Stone is created when an object is deleted from Active Directory. This temporary Tomb Stone must be copied by Domain Controller before it expires.
8. What is the best way of backing up Active Directory?
NTBACKUP is available with 2003 server to back up Active Directory. To perform backup with 2008 server, a command prompt will be displayed. Type “wbadmin begin systemstatebackup-backuptarget.e:”
9. Are you familiar with the term “garbage collecting”?
Active Directory’s Garbage Collection feature allows you to clear out space. This happens automatically every 12 hours (defrag).
10. Do you know what the SYSVOL folder looks like?
Domain Controller contains a copy on a local hard disk of the System Volume folder. To replicate across domains, user logon scripts as well as Windows Group Policy can be shared.
11. What is RAID in Microsoft System Administrator and how does it work?
RAID stands for Redundant Array of Independent Disks and is used to provide data redundancy across multiple hard disks. You can also use striping settings to increase read/write speed across your server. RAID 1 stores identical data on multiple discs (redundancy). RAID 0: Data is evenly distributed across two or more disks to improve performance (no redundancy).
12. Which CMD commands would you use to test network connectivity?
To test network connectivity, the ping and ipconfig commands can be used.
13. What is IntelliMirror’s purpose?
IntelliMirror, a Windows Server OS feature, helps to manage user data, computer information and settings. This policy identifies business responsibilities, group memberships and locations. When a user transfers to another computer, their applications, settings, saved files, and other data will be retained.
14. What is group policy?
Network administrators can use group policy in Active Directory to manage the working environment of users or computer accounts. Administrators can use it to manage their network environment.