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How is risk affected if users have direct access to a database at the system level?
A. Risk of unauthorized access increases, but risk of untraceable changes to the database decreases.
B. Risk of unauthorized and untraceable changes to the database increases.
C. Risk of unauthorized access decreases, but risk of untraceable changes to the database increases.
D. Risk of unauthorized and untraceable changes to the database decreases.
Correct Answer: B
If users have direct access to a database at the system level, risk of unauthorized and untraceable changes to the database increases.
. Which of the following is a guiding best practice for implementing logical access controls?
A. Implementing the Biba Integrity Model
B. Access is granted on a least-privilege basis, per the organization\’s data owners
C. Implementing the Take-Grant access control model
D. Classifying data according to the subject\’s requirements
Correct Answer: B
Logical access controls should be reviewed to ensure that access is granted on a least-privilege basis, per the organization\’s data owners.
. Processing controls ensure that data is accurate and complete, and is processed only through which of the following? Choose the BEST answer.
A. Documented routines
B. Authorized routines
C. Accepted routines
D. Approved routines
Correct Answer: B
Processing controls ensure that data is accurate and complete, and is processed only through authorized routines.
The initial step in establishing an information security program is the:
A. development and implementation of an information security standards manual.
B. performance of a comprehensive security control review by the IS auditor.
C. adoption of a corporate information security policy statement.
D. purchase of security access control software.
Correct Answer: C
A policy statement reflects the intent and support provided by executive management for
proper security and establishes a starting point for developing the security program.
At the completion of a system development project, a postproject review should include which of the following?
A. Assessing risks that may lead to downtime after the production release
B. Identifying lessons learned that may be applicable to future projects
C. Verifying the controls in the delivered system are working
D. Ensuring that test data are deleted
Correct Answer: B
Explanation: A project team has something to learn from each and every project. As risk assessment is a key issue for project management, it is important for the organization to accumulate lessons learned and integrate them into future projects. An assessment ofpotential downtime should be made with the operations group and other specialists before implementing a system. Verifying that controls are working should be covered during the acceptance test phase and possibly, again, in the postimplementation review. Test data should be retained for future regression testing.
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An organization is implementing an enterprise resource planning (ERP) application to meet its business objectives. Of the following, who is PRIMARILY responsible for overseeing the project in order to ensure that it is progressing in accordance with the project plan and that it will deliver the expected results?
A. Project sponsor
B. System development project team (SPDT)
C. Project steering committee
D. User project team (UPT)
Correct Answer: C
Explanation: A project steering committee that provides an overall direction for the enterprise resource planning (ERP) implementation project is responsible for reviewing the project\’s progress to ensure that it will deliver the expected results. A project sponsor is typically the senior manager in
charge of the primary business unit that the application will support. The sponsor provides funding for the project and works closely with the project manager to define the critical success factors or metrics forthe project. The project sponsor is not responsible for reviewing the progress of the project. A system development project team (SDPT) completes the assigned tasks, works according to the instructions of the project manager and communicates with the user project team. The SDPT is not responsible for reviewing the progress of the project. A user project team (UPT) completes the assigned tasks, communicates effectively with the system development team and works according to the advice of the project manager. A UPT is not responsible for reviewing the progress of the project.
Which of the following systems or tools can recognize that a credit card transaction is more likely to have resulted from a stolen credit card than from the holder of the credit card?
A. Intrusion detection systems
B. Data mining techniques
D. Packet filtering routers
Correct Answer: B
Data mining is a technique used to detect trends or patterns of transactions or datA. If the historical pattern of charges against a credit card account is changed, then it is a flag that the transaction may have resulted from a fraudulent use of the card.
Normally, it would be essential to involve which of the following stakeholders in the initiation stage of a project?
A. System owners
B. System users
C. System designers
D. System builders
Correct Answer: A
Explanation: System owners are the information systems (project) sponsors or chief advocates. They
normally are responsible for initiating and funding projects to develop, operate and maintain information systems. System users are the individuals who use or are affected by the information system. Their requirements are crucial in the testing stage of a project. System designers translate business requirements and constraints into technical solutions. System builders construct the system based on the specifications from the systems designers. In most cases, the designers and builders are one and the same.
Which of the following database controls would ensure that the integrity of transactions is maintained in an online transaction processing system\’s database?
A. Authentication controls
B. Data normalization controls
C. Read/write access log controls
D. Commitment and rollback controls
Correct Answer: D
Commitment and rollback controls are directly relevant to integrity. These controls ensure that database operations that form a logical transaction unit will complete in its entirety or not at all; i.e., if, for some reason, a transaction cannot be fully completed, then incomplete inserts/updates/deletes are rolled back so that the database returns to its pretransaction state. All other choices would not address transaction integrity.
An IS auditor finds that, at certain times of the day, the data warehouse query performance decreases significantly. Which of the following controls would it be relevant
for the IS auditor to review?
A. Permanent table-space allocation
B. Commitment and rollback controls
C. User spool and database limit controls
D. Read/write access log controls
Correct Answer: C
User spool limits restrict the space available for running user queries. This prevents poorly formed queries from consuming excessive system resources and impacting general query performance. Limiting the space available to users in their own databases prevents them from building excessively large tables. This helps to control space utilization which itself acts to help performance by maintaining a buffer between the actual data volume stored and the physical device capacity. Additionally, it prevents users from consuming excessive resources in ad hoc table builds (as opposed to scheduled production loads that often can run overnight and are optimized for performance purposes), in a data warehouse, since you are not running online transactions, commitment and rollback does not have an impact on performance. The other choices are not as likely to be the root cause of this performance issue.
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