Why should each system user and administrator have individual accounts? (Choose TWO.)

A.
Using generic user names and passwords increases system security and reliability.

B.
Using separate accounts for each user reduces resource consumption, particularly disk space.

C.
By using individual login names and passwords, user actions can be traced.

D.
If users do not have individual login names, processes can automatically run with root/administrator access.

E.
A generic user name and password for users and security administrators provides anonymity, which prevents useful logging and auditing.