AD Full Form Name: AD Meaning

Full Form of AD:

Anno Domini

AD Full Form is Anno Domini. AD refers to the calendar dating system of Julian and Gregorian calendars that are mostly and commonly used in the Western World. It marks the difference in years from the birth of Jesus Christ to the current date. So, according to this system, we are living in 2016 AD. This dating system is treated as an alternative to the CE ( Common Era ) system. One more interesting fact is that this notation does not include a year zero (0). 1 AD is the immediately following year of 1 BC. Whereas BC (Before Christ) indicates any time before the birth of Christ, AD determines the time after the holy incident took place.

The use of this system was first devised in 525, but it came into use after 800. AD (where Dominus means Lord) precisely means in the year of the Lord. Advocates of Christianity find this term as justified and reasonable because this system is based on the birth date of Christ and it also uses the name of their Lord within it. Critics and experts note such belief as purely religious and nothing else. As a result, scholars and experts tend to avoid the use of this dating system in literary or scholarly works.

AD Full Form: Active Directory

Full Form of AD is Active Directory. The AD or Active Directory is a directory service used by the domain networks of Windows and is developed by the Microsoft itself. The majority of the operating systems belonging to the Windows Server include AD as a set of services and processes. The responsibility of the AD initially included the management of centralized domain only. However, it converted to an umbrella title in the year 2008 and started including a large number of services that are based on the directory and related to identity. The server in charge of executing the AD DS or Active Directory Domain Services is referred to as a domain controller.

This server is responsible for authorizing and authenticating all computers as well as users in a domain type network of windows. It enforces and assigns security policies for all updating and installing software. This also holds true for all computers. The domain services performed by the AD DS are used by the majority of the technologies in the Microsoft server. The examples of these technologies include Exchange Server, Domain Name Services, Encrypting the File System, Share Point Server, Services related to Remote Desktop, Bit Locker and much more.

Another kind of services offered by the AD is certificate services. A public key infrastructure is established by the AD CS or Active Directory Certificate Services. It has the ability to revoke, validate and create public key certificates for an organization’s internal usage. These certifications can be utilized for encrypting files, network traffic and emails. Another thing to keep in mind is that for AD CS to work, an AD DS infrastructure is needed.

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