In order to integrate user authentication between Linux and an Active Directory, you should create a realm trust.
What is a directory service?
A directory service can be defined as a software system that's designed and developed to store, organize and provide end users with a name and an access to directory information, so as to effectively and efficiently unify (synchronize) all network resources.
For instance, an Active Directory is a directory service software that would be most appropriate to install on an exclusive Linux network because it uses Lightweight Directory Access Protocol (LDAP).
In Computer technology, an administrator (end user) should create a realm trust in order to integrate user authentication between Linux and an Active Directory.
Read more on directory services here: brainly.com/question/15187174
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