A company's management has expressed concern over the varied system architectures that the organization uses.

Potential security and control concerns would include all of the following except:

a. Users may have different user ID codes and passwords to remember for the several systems that they use.

b. There are difficulties in developing uniform security standards for the various platforms.

c. Backup file storage administration is often decentralized.

d. Having data distributed across many computers throughout the organization increases the risk that a single disaster would destroy large portions of the organization’s data.