11. Information System Data Integrity

Question 1

What are control systems

Answer 1

Control systems encompass polciies, standards, and procedures aimed at preventing and detecting violations.

Question 2

What are two categories of controls

Answer 2

General controls and application controls

Question 3

What are gneeral controls

Answer 3

Controls that have a pervasive impact on the data

• physical security
• logical access
• distributed computing

Question 4

What is physical security

Answer 4

who has the phyiscal meals to limit access to authorized personnel.

• lock and key
• security
• placement and equipment

Question 5

What are logical access controls?

Answer 5

Controls used for computer applications to limit access to authorized users

• user ID
• passowrds
• redundant physical devices
• biometric recognition

Question 6

What is distributed computing

Answer 6

Ability to carry on information system acitivites outside the physical boundaries of the organization. This creates a security concern but can be mitigated with encryption, firewalls, virus protection.

Question 7

What are application controls

Answer 7

controls that are built into software to ensure that the data is maintined and processed accurately.

• idnetification and authorization of users
• validity checks of data entry
• input controls