System administrator interview questions and answers in pdf

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system administrator interview questions and answers in pdf

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24 sysadmin job interview questions you should know | Opensource.com

Explain three main features of Active Directory? Active Directory enables single sign on to access resources on the network such as desktops, shared files, printers etc.

Active Directory provides advanced security for the entire network and network resources. Active Directory is more scalable and flexible for administration. What do you mean by Active Directory functional levels? The functional level of a domain or forest controls which advanced features are available in the domain or forest.

Although lowest functional levels help to coexist with legacy Active Directory, it will disable some of the new features of Active Directory. But if you are setting up a new Active Directory environment with latest version of Windows Server and AD, you can set to the highest functional level, thus all the new AD functionality will be enabled. It is possible to take a backup copy of existing Domain Controller, and restore it in Windows Server machine in the remote locations with slower WAN link.

How do we install Active Directory in Windows 7 Computer? Active Directory is designed for Server Operating System, and it cannot be installed on Windows but we can install adminpack tools for server component.

What are the prerequisites to install Active Directory in a Server? Windows Server Operating System. Free hard disk space with NTFS partition. Windows Server installation CD or i folder. What is FSMO role? Flexible Single-Master Operation FSMO roles, manage an aspect of the domain or forest to prevent conflicts, which are handled by Single domain controllers in domain or forest.

The tasks which are not suited to multi-master replication. Explain Infrastructure Master Role. Infrastructure master role is a domain-specific role and its purpose is to ensure that cross-domain object references are correctly handled.

For example, if you add a user from one domain to a security group from a different domain, the Infrastructure Master makes sure this is done properly. Infrastructure master does not have any functions to do in a single domain environment. If the Domain controller with Infrastructure master role goes down in a single domain environment, there will be no impact at all. Whereas in a complex environment with multiple domains it may impact creation and modification of groups and group authentication.

What are the two forest specific FSMO roles? PDC Emulator. I want to promote a new additional Domain Controller in an existing domain. Which are the groups I should be a member of?

You should be a member of Enterprise Admins group or the Domain Admins group. Also you should be member of local Administrators group of the member server which you are going to promote as additional Domain Controller. It will list all the FSMO role handling domain controllers.

Can I configure two RID masters in a domain? Can I configure two Infrastructure Master Role in a forest? If yes, please explain. There should be only one Domain Controller handling Infrastructure master role in a domain. Hence if you have two domains in a forest, you can configure two Infrastructure masters one in each domain. If PDC emulator crashes, there will be immediate impact on the environment. Network time synchronization will be impacted. It will also impact DFS consistency and Group policy replication as well.

What are the physical components of Active Directory? Domain controllers and Sites,Domain controllers are physical computers which is running Windows Server operating system and Active Directory data base. Sites are a network segment based on geographical location and which contains multiple domain controllers in each site.

What are the logical components of Active Directory? Domains, Organizational Units, trees and forests are logical components of Active Directory. What are the Active Directory Partitions? Or what are Active Directory Naming Contexts? Or what is AD NC? Active Directory database is divided into different partitions such as Schema partition, Domain partition, and Configuration partition. Apart from these partitions, we can create Application partition based on the requirement.

What is group nesting? This will help for easy administration and reduced replication traffic. Explain Group Types and Group Scopes? Group types are categorized based on its nature. There are two group types: Security Groups and Distribution Groups. Security groups are used to apply permissions to resources whereas distribution groups are used to create Exchange server email communication groups.

Group scopes are categorized based on the usage. What is the feature of Domain Local Group? Domain local groups are mainly used for granting access to network resources. A Domain local group can contain accounts from any domain, global groups from any domain and universal groups from any domain. For example, if you want to grant permission to a printer located at Domain A, to 10 users from Domain B, then create a Global group in Domain B and add all 10 users into that Global group.

How will you take Active Directory backup? Active Directory is backed up along with System State data. What are the Active Directory Restore types? There are two types of Active Directory restores, Authoritative restore and Non-Authoritative restore.

How is Authoritative Restore different from non-Authoritative Restore? Non-Authoritative means, a normal restore of a single Domain controller in case that particular domain controller OS or hardware crashed. After non-authoritative restoration completed, compares its data base with peer domain controllers in the network and accepts all the directory changes that have been made since the backup. This is done through multi master replication.

Whereas, in Authoritative restore, a restored data base of a Domain controller forcefully replicated to all the other domain controllers. Authoritative restore is performed to recover an active directory resource or object eg. Explain me, how to restore Active Directory using command line? This is non-authoritative restore. Once non-authoritative restore is completed, we have to perform authoritative restore immediately before restarting the Domain Controller.

This will restore all the data in authoritative restore mode. What is a tombstone? What is the tombstone lifetime period? A tombstone is a container objects for deleted items from Active Directory database, even if objects are deleted, it will be kept hidden in the active directory data base for a specific period. This period is known as tombstone lifetime. What do you understand by Garbage Collection? Garbage collection is a process of Active Directory. This process starts by removing the remains of previously deleted objects from the database.

These objects are known as tombstones. Then, the garbage collection process deletes unnecessary log files. And the process starts a defragmentation thread to claim additional free space. The garbage collection process is running on all the domain controllers in an interval of 12 hours.

What is Lost and Found Container? In multimaster replication method, replication conflicts can happen. This container also used to store orphaned user accounts and other objects. Where can I locate Lost and Found Container? Yes, it is included. Have you ever installed Active Directory in a production environment?

Do we use clustering in Active Directory? No one installs Active Directory in a cluster. There is no need of clustering a domain controller.

Because Active Directory provides total redundancy with two or more servers. What is Active Directory Recycle Bin? It helps to restore accidentally deleted Active Directory objects without using a backed up AD database, rebooting domain controller or restarting any services.

What is RODC? Why do we configure RODC?

System Administration Interview Questions & Answers

If you are a person with the right degree in computer engineering or related electrical engineering, we bring the most important questions for a job interview. Even if you have a great skill in web technology or network administration, these questions are just for you. The role of a system administrator is to upkeep configurations and reliable operation of the computer system, especially when there are multiple users like the server. A system administrator is a person who manages the operations of computer systems or other electronic communication systems. The role is to build configurations and also troubleshoot the software or hardware enhancement.


System. Administrators may also be called SysAdmins. System Administrator Interview Questions. System Administrators are responsible for the proper operation.


7 Systems Administrator Interview Questions and Answers

Are you a person with a degree in computer engineering or electrical engineering? A system administrator is a person who is responsible for the upkeep configuration and reliable operation of computer system especially multi user computer such as servers. A person who manages the operation of a computer system or particular electronic communication service.

ATG System Administrator Interview Questions 2021

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Jump to navigation. As a geek who always played with computers, a career after my masters in IT was a natural choice. So, I decided the sysadmin path was the right one. In the process of my career, I have grown quite familiar with the job interview process. Here is a look at what to expect, the general career path, and a set of common questions and my answers to them. Organizations need someone who understands the basics of how a system works so that they can keep their data safe, and keep their services running smoothly. You are right.

System Administrators, or SysAdmins, configure and maintain the day-to-day operations of networked computer systems. They make sure that the company's server and client computers perform well and remain secure. The most suitable System Administrator candidates will demonstrate a clear understanding of all the technical feats required to keep your company's networked computers running smoothly. Beware of candidates with poor interpersonal skills, as they may be unable to professionally respond to support queries from people with varying levels of technical knowledge. A good candidate will demonstrate that they overcame their frustration and handled the situation with a professional attitude. It is important that System Administrators do not express annoyance when supporting employees who rely on them to solve a variety of technical difficulties. Look for candidates who understand that a DC is a domain controller, and that backup files should generally not be older than days.

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