(DOC) System Administrator interview questions and answers | Shant Sharma – .+ [UPDATED] System Administration Interview Questions
Are you a person with a degree in computer engineering or electrical engineering? Are you a person with commendable skills in Windows system administrator interview questions and answers pdf free download free technology, network administration then logon to www. 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. He is responsible for the upkeep configuration and reliable operation of computer systems. System Administrator tasks builds configure and trouble shoot software and hardware enhancements, application deployments and infrastructure upgrades So place yourself as Network and System Administrator, Administration Executive, Information Security Engineer by looking into Wisdom Jobs interview question and answers given.
Question 1. What Is Active Directory? Answer : Active Directory provides a centralised control for network administration and security. Server computers configured with Active Directory are known as domain controllers.
Active Directory stores all information and windows system administrator interview questions and answers pdf free download free for a deployment in a central database, and allows administrators to assign policies and deploy and update software. Answer : A domain is defined as a logical group of network objects computers, users, devices that share the same Active Directory database.
A tree can have multiple domains. Question 3. What Is Domain Controller? Windows system administrator interview questions and answers pdf free download free : A domain controller DC or network domain controller is a Windows-based computer system that is used for storing user account data in a central database.
It is the centrepiece of the Windows Active Directory service that authenticates users, stores user account information and enforces security policy for a Windows domain. A domain controller allows system administrators to grant or deny users access to system resources, such as printers, documents, folders, network locations, etc. Question 4. What Is Group Policy? Answer : Group Policy allows you to implement specific configurations for users and computers.
Question 5. What Are Gpos group Policy Objects? Answer : A Group Policy Object GPO is windows system administrator interview questions and answers pdf free download free collection of settings that control the working environment of user accounts and computer accounts.
GPOs define registry-based policies, security options, windows system administrator interview questions and answers pdf free download free installation and maintenance options, script options, and folder redirection options. LDAP is the industry standard directory access protocol, making Active Directory widely accessible to management and query applications. Question 7. Question 8. What Is The Sysvol Folder? Question 9. What Is Garbage Collection? Answer : Garbage collection is the online defragmentation of the Active Directory which happens every 12 hours.
Question When Do We Use Wds? Answer : Windows Deployment Services is a server role used to deploy Windows operating systems remotely. WDS is mainly used for network-based OS installations to set up new computers. Answer : Email servers can be of two types:. There cannot be more than one incoming mail server for an email account.
In order to download your emails, you must have the correct settings configured in your email client program. The outgoing mail server can belong to your ISP or to the server where you setup your email account. Answer : Forests, trees, and domains are the logical divisions in an Active Directory network. A domain is defined as windows system administrator interview questions and answers pdf free download free logical group of network objects computers, users, devices that share the same active directory database.
A tree is a collection of one or more domains and domain trees in a contiguous namespace linked in a transitive trust hierarchy. At the top of the structure is the forest.
A forest is a collection of trees that share a common global catalog, directory schema, logical structure, and directory configuration. The forest represents the security boundary within which users, computers, groups, and other objects are accessible.
Why Do We Use Dhcp? Answer : Dynamic Host Configuration Protocol assigns dynamic IP addresses to network devices allowing them to have a different IP address each time they are connected to the network. What Are Lingering Objects? Answer : A lingering object is a deleted AD object that still remains on the restored domain controller in its local copy of Active Directory. They can occur when changes are made to directories after system backups are created. When restoring a backup file, Active Directory generally requires that the backup file be no more than days old.
This can happen if, after the backup was made, the object was deleted on another DC more than days ago. Answer : When restoring a backup file, Active Directory generally requires that the backup file be no more than days old.
If you attempt to restore a backup that is expired, you may face problems due to lingering objects. How Do You Backup Ad? We need to use the command line to backup Active Directory. When the backup process has адрес you should get a message that the backup completed successfully. If it did not complete properly you will need to troubleshoot. Answer : Installation and replacement are some of the most frequently performed operations with hardware.
Sometimes a system administrator might need to rebuild a hardware component. Typical duties include engineering, support and maintenance, and research for the purpose of innovation and upgrading. Answer : System administrators are experts at handling hardware and software. They are quick with both their hands and their head. They can work alone, but they know when and how to communicate with others, whether to report ссылка на продолжение, learn information needed to fix problems, or instruct employees regarding technical issues.
Answer : Analytical thinking and problem solving is crucial to be able to analyze software or hardware malfunction. They are also necessary to be able to improve or upgrade systems so that they suit company needs.
Assertiveness also plays a role because administrators have to make decisions. They decide on solutions, security measures, and things like system upgrades. Answer : Administrators are typically called in to offer technical support for teams working on a project.
Support might mean technical troubleshooting or the development and explanation of technological strategy with regards to the project goals and means. It offers features like security permissions to limit other users’ access to foldersquotas so one user can’t fill up the diskshadowing backing up and many читать больше features that help Windows.
Answer : VOIP :Short for Voice Over Internet Protocol, a category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls by sending voice data in packets using IP rather than by traditional circuit transmissions.
What Is Loop Back? Answer : Loopback address is What Is Proxy Server? Answer : A proxy server is a computer that acts as a gateway between a local network e. Proxy servers provide increased performance and security. In some cases, they monitor employees’ use of outside resources. Answer : Antivirus: The prime job of an anivirus is protect your system from computer viruses. Your computer may be standalone or part of network or connected to Перейти на источник you need an antivirus program.
It actively monitors when you are using your system for any virus threat from different sources. These attacks may not be virus type. In some cases hackers can take control of your system remotely and steal your data or important information from system. If your system is directly connected to internet or a large network than you can install a software firewall in your PC to protect your self from unauthorized access.
Firewall is available either in software or in hardware form. For a single PC you may need a software firewall while a large corporate implements hardware firewall to protect all of their systems from such attacks.
What Is Wins Server? This allows users to access resources by computer name instead of by IP address. If you want this computer to keep track of the names and IP addresses of other computers in your network, configure this computer as a WINS server.
Приведу ссылку Is The Windows Registry? Answer : The Windows Registry, usually referred to as “the registry,” is a collection of databases of configuration settings in Microsoft Windows operating systems.
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Windows system administrator interview questions and answers pdf free download free
It uses frames for the transmission of data in the network. The DNS stands for the domain name system.
The IP addresses are always changing so the DNS makes the IP address into human friendly names so that the humans can remember it much more easily. This is less likely to change. In this case, the DNS performs the same operation as that of a standard phone book, but with the updates on hourly or daily basis. Due to the tired nature of the DNS, it makes it possible to have repeated queries that can be responded quickly. Enterprise admin group: The members of the enterprise admin group have complete control of the domains in the forest.
To perform an authoritative restore, we first need to perform a non-authoritative restore process. As we know that the authoritative restore has the ability to increment the version number of the attributes, this will make us restore an object in the directory.
On the flip side, when we talk about the non-authoritative restore to determine the changes since the last backup, it will contact the replication partners after a domain controller is back online. Your answer should reflect that you are well aware about the responsibilities of the system administrator or what are the tasks that are to be performed by the system administrator.
For example: Tasks like software installation and updates, providing system access control, creating backups, data recovery, etc. This server object provides support for concurrency and sharing. Depending on the operating system, the Tracert, also called as traceroute, allows you to see exactly what all the routers you touch when you move along the chain of connections to reach the final destination.
It is a layer 5 protocol that is non-routable. It allows the applications to communicate with one another over LAN or we can call it a local area network. It is a networking protocol that was developed by IBM and Microsoft in It is a primary protocol for the Lan manager and windows for workgroups. It supports both connection based and connectionless communication.
It implements flow control and error detection. It is one of the fastest and most efficient protocols. We should use it only on smaller network sizes as it relies more heavily on broadcast packets than on the TCP or an IP i.
As the name suggests, it is used to reserve resources across a network so when we have a look into the working of the RSVP. In the RSVP, the request of the host is carried throughout the network.
It then visits each node in the network. It has two local modules for reservation of resources: the admission control module and the policy module. The admission module checks whether there are sufficient available resources. Whereas, the policy module checks about the permission of making a reservation.
After these two checks are performed, the RSVP uses packet classifier and the packet scheduler for desired QoS requests. DHCP refers to dynamic host configuration protocol. This protocol is used to assign the IP address to the computers. In other words, we can say that we will have different IP addresses. In some cases it can also happen that the IP address is changed when the computer is in the network. We can say that a clear-cut advantage of the DHCP protocol is that rather than using the administrator for managing the IP address, we use the software.
Both the hub and the switch are roughly the same. They both have a larger number of potential connections and are used for the same basic purpose to create a network. The only difference is the way they handle the connections in case of hub. They broadcast all the data to every port, and hence, can make serious security and reliability concerns as well as there will occur a number of collisions on that network. On the flip side, when we talk about switches, the connections are created dynamically so the requesting portal only receives the information that is designed for it.
One of the benefits of TCP is that it establishes the connection on both the ends before any data starts to flow. It is also used to sync up the data flow as if a case arrives when the packets arrive out of order, so the receiving system should be able to figure out how the puzzle of packets are supposed to look like.
Whereas, when we talk about the TCP, it makes everybody stay on the same page. The TCP always needs a confirmation from the other side that the message is received or not. When we want to communicate with the inside of a secured network, there is the use of a port forwarding table within the router or other connection management device that will allow the specific traffic to be automatically forwarded on to a particular destination. Most probably it does not allow access to the server from outside directly into your network.
Powershell : it was introduced in the year We can open power shell by typing PowerShell. It operates on both the batch commands and the PowerShell commands. It allows the user to navigate easily between the functions by providing the ability to create aliases for cmdlets or scripts. The output that comes is in the form of an object and can be passed from one cmdlet to other cmdlets.
It can also execute a sequence of cmdlets that are put together in a script. It is built on a net framework so it has access to the programming libraries and can be used to run all types of programs. It supports the Linux based system and can connect with the Microsoft cloud products and integrates directly with WMI.
It also has an ISE. We can open a command prompt from run by typing cmd. It cannot operate on both the batch commands and the PowerShell commands; it only operates on batch commands.
There is no support for the creation of aliases of commands. The output that is formed is in the form of text. We can not transfer or pass the output from one command to the other command. When we want to run a certain command, the command that is run first, must be finished.
In this case, there is no such command like the help command like in the case of PowerShell to get the information regarding the commands.
There is no separate ISE, there is only a command line interface it can only run console type of programs.
There is a need for an external plugin for WMI interaction. The RDP stands for Remote desktop protocol as the name itself suggests about the nature of this protocol it is one of the primary method by which we can access the windows system remotely for troubleshooting purpose and is a software driven method whereas when we talk about the KVM it refers to keyboard video and mouse it allows fast- switching between different systems but by using the same keyboard monitor and mouse.
It is a hardware driven method or system in which a junction box is placed between the user and the systems the KVM does not require any kind of active network connection so it is very useful to use the same kind of setup on multiple networks without doing the cross talk. It is primarily designed for transferring large files which also has the capability of resuming the download in the case the download is interrupted. There are two different techniques following which we can access the FTP server; they are the Anonymous access and the standard login.
SSH — The SSH stands for secure shell and is very well known by the linux users the secure shell is used to create a secure tunnel between devices for example :- systems, switches, thermostats , etc. In this manner it makes the system go from a regular domain name to an actual piece of hardware. EFS: it refers to the encrypted file system. It can only occur on NTFS formatted partitions. For a larger purpose the better alternative is a Bitlocker.
It is one of the application protocols that allow the connection on any port and is a very small and versatile utility. It allows the admin to connect to the remote devices.
It has a negotiable protocol architecture because of which many extensions were adopted. Most of the implementation of telnet has no authentication which can ensure that the communication Is carried out between the two desired hosts.
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Distinguish between a computer process and a thread. COM 4. COM 5. What Is Group Policy? COM 6. COM 7. What do you understand by domains, forests and trees? COM 8. COM 9. Can we link third-party Directory service to an Active Directory?
COM What do you know about working of IntelliMirror? How you can install an app MSI file when the is not available? ZAP text file can be used in its place. What is the goal of installing local DNS servers? To resolve requests concerning the domains on network, local DNS servers can offer record data to distant DNS servers.
On separate drives it allows you to combine one or more volumes so that they are accessed by a single drive letter TEMOK. What Are the System Administrator Roles? The System Administrator role varies in the organization. Can you name Different Version of Windows Server? What is the global catalog? The Global Catalog is a kind of database that comprises all of the data relating to objects in Active Directory environment domains. Explain the difference between local, universal and global groups?
Domain local groups allocate access approvals to international groups of domains for local resources of the domain. The Universal groups grant access to all trusted domains resources. We can authoritatively restore the objects from domain and configuration partition. Authoritative restores of schema-naming are not supported here. Explain different types of active directory partitions.