IIA-CIA-Part3 Exam Dumps - Business Knowledge for Internal Auditing

Understanding Labor Variances in Cost Accounting:

Labor efficiency variance measures the difference between the actual hours worked and the standard hours allowed for actual production.

Labor rate variance measures the difference between the actual labor cost per hour and the standard rate set for labor.

Why Options 1 (Favorable Labor Efficiency Variance) and 2 (Adverse Labor Rate Variance) Are Correct?

Favorable Labor Efficiency Variance (1):

Hiring more experienced researchers should lead to higher productivity, meaning that the team completes tasks faster, reducing the total labor hours required.

This results in a favorable labor efficiency variance because less time is spent on the project than initially expected.

Adverse Labor Rate Variance (2):

More experienced employees command higher salaries, leading to an increase in labor costs per hour compared to the budgeted rate.

This results in an adverse labor rate variance because the actual wage rate exceeds the standard rate.

Why Other Options Are Incorrect?

Option 3 (Adverse Labor Efficiency Variance):

This would occur if the new hires were less productive, which contradicts the scenario.

Option 4 (Favorable Labor Rate Variance):

A favorable variance in labor rate occurs when labor costs are lower than expected, which is unlikely when hiring more experienced (higher-paid) employees.

Hiring more experienced employees improves efficiency (favorable efficiency variance) but increases wages (adverse rate variance).

IIA Standard 1220 – Due Professional Care requires auditors to consider operational efficiency in decision-making evaluations.

Final Justification:IIA References:

IPPF Standard 1220 – Due Professional Care

IIA Practice Guide – Assessing Business Performance Metrics

A tape rotation schedule defines how often backup tapes are overwritten or archived, directly impacting data retention periods. This is essential for compliance, disaster recovery, and internal controls over data storage.

Correct Answer (C - The Tape Rotation Schedule Affects How Long Data is Retained)

Organizations use backup rotation schemes such as Grandfather-Father-Son (GFS), Tower of Hanoi, or FIFO (First-In-First-Out) to determine how long backups are kept before being overwritten.

This impacts data retention policies, regulatory compliance, and recovery capabilities.

The IIA’s GTAG 10: Business Continuity Management discusses backup strategies and retention management.

Why Other Options Are Incorrect:

Option A (System backups should always be performed real-time):

Real-time backups (continuous data protection) are useful but not always required. Many businesses use scheduled backups instead.

Option B (Backups should be stored in a secured location onsite for easy access):

Best practice recommends offsite or cloud storage to protect against disasters like fire or cyberattacks.

Option D (Backup media should be restored only in case of hardware or software failure):

Backups may also be restored for audit purposes, compliance checks, or business continuity testing.

GTAG 10: Business Continuity Management – Covers backup strategies, data retention, and disaster recovery.

IIA Practice Guide: IT Controls – Discusses backup policies and risks in data management.

Step-by-Step Explanation:IIA References for Validation:Thus, the tape rotation schedule (C) is correct because it determines how long data is retained.

Understanding IT Backup Risks in Disaster Recovery:

Disaster recovery plans rely on backup data to restore operations after a system failure.

An ineffective backup system increases the risk of data loss, operational downtime, and regulatory non-compliance.

Why Option B (Empty Backup Tapes) Is Correct?

If backup tapes contain empty spaces, it indicates data corruption or incomplete backups, leading to unrecoverable data loss in a disaster.

IIA GTAG 16 – Data Management and IT Auditing emphasizes that backups must be tested for integrity and completeness.

ISO 27001 and NIST SP 800-34 recommend periodic verification of backup data to prevent critical failures.

Why Other Options Are Incorrect?

Option A (Delayed return of backup tapes):

While delayed tape retrieval affects recovery speed, it does not indicate data loss.

Option C (More frequent backups than required):

Frequent backups improve data protection, not cause unacceptable loss.

Option D (Less frequent offsite backups):

While infrequent backups increase risk, they do not directly indicate data loss upon testing.

Backup tapes containing empty spaces indicate potential data loss, making it the most critical disaster recovery risk.

IIA GTAG 16, ISO 27001, and NIST SP 800-34 highlight the need for validated backup integrity.

Final Justification:IIA References:

IIA GTAG 16 – Data Management and IT Auditing

ISO 27001 – Information Security Backup Standards

NIST SP 800-34 – Contingency Planning for IT Systems

Understanding the BCG Matrix and Investment Classifications:

The Boston Consulting Group (BCG) Matrix classifies business investments into four categories:

Stars: High growth, high market share.

Cash Cows: Low growth, high market share.

Question Marks: High growth, low market share.

Dogs: Low growth, low market share.

Why the Investment is a Cash Cow:

The organization operates in a mature, slow-growth industry but has a dominant market position and generates consistent positive financial income.

This aligns with the definition of a Cash Cow, as it represents a stable and profitable business with low reinvestment needs.

Investors typically use Cash Cows to fund other investments, as they generate steady cash flow with minimal risk.

Why Other Options Are Incorrect:

A. A star:

A Star requires high growth and high market share, but the organization operates in a slow-growth industry, disqualifying it from this category.

C. A question mark:

A Question Mark is in a high-growth industry but lacks market dominance. Since this company is already dominant, it does not fit this category.

D. A dog:

A Dog has low growth and low market share, meaning it does not generate strong financial returns. The company described produces positive income, ruling out this category.

IIA’s Perspective on Business Strategy and Portfolio Management:

IIA Standard 2120 – Risk Management states that internal auditors must assess the strategic positioning of business investments.

COSO ERM Framework supports the use of strategic models like the BCG Matrix to evaluate investment performance and risk exposure.

IIA References:

IIA Standard 2120 – Risk Management and Strategic Planning

COSO Enterprise Risk Management (ERM) Framework

Boston Consulting Group (BCG) Matrix in Investment Analysis

Thus, the correct and verified answer is B. A cash cow.

A help desk function is responsible for providing technical support and maintenance services to end users. This includes troubleshooting issues, production support, and system maintenance rather than managing infrastructure or security architecture.

Let’s analyze each option:

Option A: Maintenance service items such as production support.

Correct. The help desk primarily provides user support, including:

Troubleshooting software and hardware issues

Resolving technical support requests

Assisting users with system access and operational questions

IIA Reference: Internal auditors assess IT service management, including help desk functions, to ensure efficient IT support and incident response. (IIA GTAG: Auditing IT Service Management)

Option B: Management of infrastructure services, including network management.

Incorrect. Infrastructure services (such as network and server management) fall under IT operations or network administration, not the help desk.

Option C: Physical hosting of mainframes and distributed servers

Incorrect. Hosting and maintaining physical servers is the responsibility of data center operations, not the help desk.

Option D: End-to-end security architecture design.

Incorrect. Security architecture design is handled by the IT security team or cybersecurity department, not the help desk.

Thus, the verified answer is A. Maintenance service items such as production support.

When auditing logical access controls for a workstation, the focus should be on user authentication methods, including:

Password policies (length, complexity, change frequency)

User access rights and permissions

Login activity logs to detect unauthorized access attempts

Correct Answer (B - Reviewing Password Policies and User List for Login Process)

Logical access controls ensure only authorized users can access a workstation.

Reviewing password length, complexity, and change frequency helps assess if security best practices are followed.

Reviewing the list of authorized users ensures that only appropriate personnel have access.

The IIA’s GTAG 9: Identity and Access Management recommends evaluating password policies and user access lists as key control measures.

Why Other Options Are Incorrect:

Option A (Reviewing access badges and room logs):

Physical access controls are important but do not assess logical access (login security, user authentication).

Option C (Reviewing failed access attempts and error messages):

Reviewing failed login attempts identifies security breaches but does not directly assess password policies or user access lists.

Option D (Reviewing unsuccessful passwords and activity logs):

Passwords should not be reviewed due to privacy and security policies. Logs should be checked, but reviewing actual passwords is a security violation.

IIA GTAG 9: Identity and Access Management – Covers password controls and user authentication.

IIA Practice Guide: Auditing IT Security Controls – Recommends reviewing password policies as a key security measure.

Step-by-Step Explanation:IIA References for Validation:Thus, B is the correct answer because reviewing password policies and user lists is essential for auditing logical access controls.

Understanding the "Something You Have" Concept:

Access control methods are classified into three main authentication factors:

Something You Know – Passwords, PINs, security questions.

Something You Have – Physical devices like keycards, smart cards, or security tokens.

Something You Are – Biometrics such as fingerprints, retina scans, or voice recognition.

Why a Card-Key Scanner is the Correct Answer:

A card-key scanner verifies access using a physical card, which aligns with the "something you have" authentication factor.

Users must possess the key card to gain entry, making it a classic example of physical token-based security.

Why Other Options Are Incorrect:

A. A retina characteristics reader – Incorrect, as retina scans fall under "something you are" (biometrics), not "something you have".

B. A PIN code reader – Incorrect, as PIN codes are "something you know", not a physical possession.

D. A fingerprint scanner – Incorrect, as fingerprints are biometric ("something you are"), not a physical object.

IIA’s Perspective on Physical Security Controls:

IIA Standard 2110 – Governance emphasizes the importance of using multi-factor authentication to enhance security.

IIA GTAG (Global Technology Audit Guide) on Access Control recommends the use of physical security devices like card-key scanners to prevent unauthorized access.

ISO 27001 Information Security Standard identifies "something you have" authentication methods as critical components of access control.

IIA References:

IIA Standard 2110 – Governance & IT Security

IIA GTAG – Physical Security & Access Controls

ISO 27001 Information Security Standard – Multi-Factor Authentication

Thus, the correct and verified answer is C. A card-key scanner.

Both hierarchies (traditional organizations with a clear chain of command) and open organizational structures (flatter, decentralized decision-making models) share certain fundamental management principles.

Let’s analyze each statement:

A superior can delegate the authority to make decisions but cannot delegate the ultimate responsibility for the results of those decisions.

Correct. In both hierarchical and open structures, managers can delegate decision-making authority, but they remain accountable for the outcomes.

IIA Reference: Internal auditors assess governance structures to ensure that accountability remains with senior management, even when authority is delegated. (IIA Standard 2110: Governance)

A supervisor's span of control should not exceed seven subordinates.

Incorrect. While some management theories suggest an ideal span of control, there is no universal limit of seven subordinates. The optimal number depends on factors like task complexity and organizational structure.

Responsibility should be accompanied by adequate authority.

Correct. Employees must have the necessary authority to fulfill their responsibilities effectively, regardless of the organizational structure.

IIA Reference: The IIA’s guidelines on effective governance and accountability emphasize the need for clear delegation of authority to ensure operational efficiency. (IIA Practice Guide: Organizational Governance)

Employees at all levels should be empowered to make decisions.

Incorrect. While this principle applies to open organizational structures, it does not align with traditional hierarchies, where decision-making authority is concentrated at higher levels.

Thus, the verified answer is A. 1 and 3 only.