A.Each user belongs to at least one user group, also can belong to multiple user groups

B.Each user group can include multiple users and user groups

C.Each user group can belong to multiple user groups

D.The system has a default user group by default, which is also the system default authentication domain.

A.True

B.False

A.Getting started with Linux is more difficult and requires some learning and guidance.

B.windows is open source, you can do what you want.

C.Windows can be compatible with most software playing most games

D.Linux is open source code, you can do what you want.

A.True

B.False

A.Asymmetric encryption algorithm

B.Symmetric encryption algorithm