Users must help protect an organization's information systems and data by

Guarding their passwords.

Prohibiting others from using their passwords.

Applying strict access controls.

Reporting all usual activities to the organization's IT security group.

Ensuring that portable computing and data storage devices are protected.

a$.1,2,3$ and $5$

b$.2,3,4$ and $5$

c$.1,2,3$ and $4$

d$.1,3,4$ and $5$