Which statement accurately describes the mapped user functionality in Informix?
A . The DBSA can control the access to the database at the table level by creating different security labels for each user.
B . The DBSA can create different roles for each user in order to verify whether the user who is attempting an operation has the necessaryprivileges.
C . The DBSA can configure the server to allow database access by external users who do not have operating system accounts on the hostcomputer.
D . The DBSA can grant access to the database server to users of the host computer operating system by implementing different authenticationmechanisms for each user.
Answer: C