View Full Isaca CISA Exam Dumps and Practice Test Dumps

 

Question 241. What is the primary purpose of a physical security control assessment?

1) To determine whether software licenses are current
2) To evaluate whether physical safeguards adequately protect information assets
3) To calculate application processing time
4) To determine the organization’s marketing strategy

Answer: 2) To evaluate whether physical safeguards adequately protect information assets

Explanation:

A physical security assessment evaluates safeguards designed to protect facilities, equipment, personnel, and information from unauthorized physical access or environmental threats. The auditor may examine access barriers, visitor controls, surveillance, environmental protection, equipment placement, and emergency procedures. The objective is to determine whether physical controls are appropriately designed and operating effectively in relation to identified risks. Physical weaknesses can expose systems to theft, tampering, damage, or service interruption even when logical security controls are strong. The assessment should therefore consider the sensitivity and criticality of assets and whether the physical protection provided is consistent with organizational requirements and risk tolerance.

Question 242. Which control is most effective for preventing unauthorized individuals from entering a restricted data center?

1) Publicly displaying the data center location
2) Increasing the number of system administrators
3) Installing additional application monitoring software
4) Implementing controlled physical access using authentication and authorization mechanisms

Answer: 4) Implementing controlled physical access using authentication and authorization mechanisms

Explanation:

Restricted areas such as data centers should use physical access controls that authenticate individuals and determine whether they are authorized to enter. Examples include access cards, biometric systems, security personnel, and controlled entry points. Access should be based on business need and reviewed periodically. Visitor access should normally be controlled and documented rather than allowing unrestricted entry. Strong physical access controls reduce the risk of unauthorized individuals tampering with servers, network equipment, storage media, or other critical assets. The auditor should evaluate whether access mechanisms are appropriate for the facility’s risk level and whether physical entry records are maintained and reviewed when necessary.

Question 243. Why should visitors to a sensitive data center normally be escorted?

1) To reduce the possibility of unauthorized access or tampering with equipment
2) To improve network performance
3) To simplify database administration
4) To increase application availability

Answer: 1) To reduce the possibility of unauthorized access or tampering with equipment

Explanation:

Visitors may not understand the organization’s security requirements or may not be authorized to access sensitive areas independently. Escorting visitors helps ensure that they remain within approved locations and prevents unauthorized interaction with systems, equipment, or information. Visitor controls should generally include identification, authorization, logging, and appropriate supervision. Depending on the sensitivity of the facility, temporary access credentials may also be issued and recovered after the visit. Auditors should assess whether visitor procedures are consistently followed and whether records can demonstrate who entered restricted areas. Effective visitor management is an important component of protecting physical infrastructure from unauthorized activity.

Question 244. What is the primary purpose of an uninterruptible power supply (UPS) in an information processing facility?

1) To provide long-term replacement for all generators
2) To encrypt electrical infrastructure
3) To provide temporary power and protect equipment from short-duration power interruptions
4) To prevent unauthorized network access

Answer: 3) To provide temporary power and protect equipment from short-duration power interruptions

Explanation:

An uninterruptible power supply provides immediate temporary electrical power when the primary power source fails or experiences certain disturbances. This allows critical equipment to continue operating long enough for a controlled shutdown or for another power source, such as a generator, to become available. UPS systems can also help protect equipment from certain voltage fluctuations and power-quality problems. The capacity and runtime should be appropriate for the organization’s requirements. During an audit, the auditor may review maintenance records, testing results, capacity calculations, and failure procedures. UPS protection is particularly important for systems where unexpected shutdowns could cause data corruption or service disruption.

Question 245. Which environmental control is specifically intended to detect excessive heat or smoke in a server facility?

1) Badge reader
2) Fire and environmental detection system
3) Password policy
4) Database audit trail

Answer: 2) Fire and environmental detection system

Explanation:

Server facilities require environmental monitoring because excessive heat, smoke, fire, humidity, or water can damage equipment and interrupt critical services. Fire and environmental detection systems can identify hazardous conditions early and initiate appropriate alerts or protective responses. Depending on the facility, controls may include smoke detectors, temperature sensors, humidity sensors, water-leak detection, and fire suppression systems. Auditors should assess whether monitoring devices are appropriately positioned, maintained, tested, and connected to response procedures. Environmental controls should also be consistent with the criticality of the equipment being protected. Early detection reduces the potential impact of environmental incidents on information processing operations.

Question 246. Why should fire suppression systems in a data center be carefully selected?

1) Because every suppression method has identical effects on electronic equipment
2) Because fire suppression is unrelated to business continuity
3) Because unsuitable suppression methods can damage equipment or create additional operational risks
4) Because suppression systems eliminate the need for smoke detection

Answer: 3) Because unsuitable suppression methods can damage equipment or create additional operational risks

Explanation:

Fire suppression systems in information processing facilities must be selected with consideration for the equipment, people, and operational environment. Some traditional suppression methods can damage electronic equipment or make recovery more difficult. Appropriate systems are designed to control fire while minimizing unnecessary damage to critical infrastructure. The organization should also maintain inspection, testing, maintenance, and emergency procedures for the suppression system. Auditors should determine whether the selected system is appropriate for the facility’s risks and whether required inspections have been performed. Fire suppression should complement, rather than replace, detection, evacuation, emergency response, and business continuity measures.

Question 247. What is a major purpose of capacity management?

1) To ensure information systems have sufficient resources to meet current and anticipated business requirements
2) To determine employee vacation schedules
3) To replace all preventive security controls
4) To approve every software purchase

Answer: 1) To ensure information systems have sufficient resources to meet current and anticipated business requirements

Explanation:

Capacity management focuses on ensuring that computing, storage, network, and other IT resources can support current and expected workloads. Insufficient capacity can cause slow performance, service degradation, or outages, while excessive capacity may result in unnecessary costs. Effective capacity management uses performance information, workload trends, business forecasts, and growth expectations to support planning decisions. Auditors should determine whether capacity requirements are monitored and whether management has processes for identifying potential resource constraints. Capacity planning should consider both normal growth and significant changes in business activity. Proper capacity management helps maintain reliable service while supporting efficient use of IT resources.

Question 248. Which metric would provide the most useful indication of a system approaching a capacity constraint?

1) Number of employees attending security training
2) Number of audit reports issued
3) Percentage of office visitors escorted
4) Sustained resource utilization approaching defined performance thresholds

Answer: 4) Sustained resource utilization approaching defined performance thresholds

Explanation:

Resource utilization metrics can help identify whether an information system is approaching a capacity constraint. Depending on the environment, relevant indicators may include processor utilization, memory usage, storage consumption, network bandwidth, database capacity, or transaction-processing volumes. A single temporary spike may not indicate a capacity problem, so trends and sustained utilization should be considered against established thresholds. Auditors should evaluate whether management monitors appropriate metrics and has procedures for responding to deteriorating capacity conditions. Effective monitoring allows organizations to plan upgrades or optimization before resource exhaustion causes service degradation. Capacity thresholds should be aligned with business requirements and expected service levels.

Question 249. What is the primary purpose of a demilitarized zone (DMZ) in network architecture?

1) To isolate publicly accessible services from the internal trusted network
2) To eliminate the need for authentication
3) To store all confidential employee records
4) To replace endpoint security controls

Answer: 1) To isolate publicly accessible services from the internal trusted network

Explanation:

A demilitarized zone is a network segment designed to host services that need controlled exposure to external networks while providing separation from the organization’s internal network. Public-facing systems such as web servers may be placed in a DMZ so that compromise of one system does not automatically provide direct access to internal resources. Firewalls and other network controls regulate traffic between external networks, the DMZ, and internal systems. Auditors should evaluate whether segmentation and access rules appropriately restrict communication paths. A properly designed DMZ reduces the potential impact of attacks against externally accessible services and supports a layered network security architecture.

Question 250. Which firewall rule characteristic should an auditor consider when evaluating unnecessary network exposure?

1) Rules that permit broad access from any source to any destination
2) The number of employees in the finance department
3) The age of the organization’s audit charter
4) The physical size of the server room

Answer: 1) Rules that permit broad access from any source to any destination

Explanation:

Overly broad firewall rules can create unnecessary network exposure by allowing traffic beyond what business requirements justify. Rules that permit unrestricted source addresses, destinations, ports, or protocols should receive particular attention during a security review. The auditor should evaluate whether each rule has a documented business purpose, appropriate authorization, and defined scope. Unused or obsolete rules should be removed according to established change procedures. Rule reviews should also consider whether the order of rules produces the intended security behavior. Properly restricted firewall configurations support least-privilege network communication and reduce the attack surface created by unnecessary connectivity.

Question 251. What is a key security benefit of network segmentation?

1) It guarantees that no security incident can occur
2) It limits the ability of an attacker to move between different network environments
3) It removes the need for monitoring
4) It eliminates all software vulnerabilities

Answer: 2) It limits the ability of an attacker to move between different network environments

Explanation:

Network segmentation separates systems or users into distinct network zones with controlled communication between them. If one segment is compromised, segmentation can restrict an attacker’s ability to move laterally into other environments. Sensitive systems, administrative networks, user networks, and externally accessible services can therefore receive different security controls. Auditors should assess whether segmentation reflects business and security requirements and whether traffic between segments is appropriately controlled and monitored. Segmentation does not eliminate vulnerabilities or guarantee that an incident cannot spread, but it can reduce the potential scope and impact of unauthorized activity by limiting unnecessary network paths.

Question 252. What is the main security concern with an unsecured wireless network?

1) It may permit unauthorized users to gain network access or intercept communications
2) It always prevents legitimate users from connecting
3) It automatically deletes audit logs
4) It prevents all malware infections

Answer: 1) It may permit unauthorized users to gain network access or intercept communications

Explanation:

Wireless networks can introduce additional security risks because signals may extend beyond controlled physical boundaries. If wireless access is inadequately secured, unauthorized users may connect to the network or attempt to intercept communications. Appropriate controls can include strong authentication, encryption, secure configuration, network segmentation, monitoring, and controlled access points. Auditors should examine whether wireless configurations follow organizational security standards and whether unauthorized access points can be detected. Wireless security should also account for guest access, because guest devices may require connectivity without receiving access to sensitive internal resources. Proper wireless controls help reduce unauthorized connectivity and protect information transmitted over the network.

Question 253. Which control is most appropriate for securing remote administrative access to critical systems?

1) Allowing administrators to connect without authentication
2) Using shared credentials for convenience
3) Requiring strong authentication and restricting administrative access through controlled secure channels
4) Publishing administrative connection details publicly

Answer: 3) Requiring strong authentication and restricting administrative access through controlled secure channels

Explanation:

Remote administrative access presents significant risk because privileged users can make changes that affect critical systems. Strong authentication, encrypted communication, controlled connection methods, and appropriate authorization help reduce this risk. Administrative access should be limited to approved personnel and monitored for unusual activity. Organizations may also use dedicated management networks or controlled remote-access gateways to reduce exposure. Shared administrator credentials should generally be avoided because they weaken accountability. Auditors should evaluate whether remote administrative access is appropriately authorized, protected, logged, and reviewed. Controls should reflect the sensitivity of the systems and the potential consequences of unauthorized privileged activity.

Question 254. Why is network redundancy important for critical services?

1) It guarantees unlimited system capacity
2) It removes the need for disaster recovery planning
3) It prevents all cyberattacks
4) It can maintain service availability when a network component fails

Answer: 4) It can maintain service availability when a network component fails

Explanation:

Network redundancy provides alternative communication paths or components so that the failure of one element does not necessarily interrupt a critical service. Redundancy may involve multiple network links, switches, routers, connectivity providers, or other components. The design should eliminate or reduce single points of failure and should be tested to confirm that failover operates as intended. Auditors should examine whether redundancy requirements are based on business availability needs and whether components are sufficiently independent. Redundancy does not prevent every outage, but it can improve resilience by allowing services to continue operating when an individual network component or path becomes unavailable.

Question 255. What should an auditor verify when reviewing a critical network’s single point of failure?

1) Whether there is an alternative component or path capable of supporting required operations
2) Whether employees have completed annual training
3) Whether the audit report uses the correct font
4) Whether application passwords are changed every day

Answer: 1) Whether there is an alternative component or path capable of supporting required operations

Explanation:

A single point of failure is a component whose failure could interrupt an important service because no adequate alternative exists. During an audit, identifying such points helps determine whether availability risks are appropriately managed. The auditor should assess whether redundant components, communication paths, power sources, or other alternatives are available where business requirements justify them. It is also important to verify that failover mechanisms are tested and that the alternative arrangement has sufficient capacity. Simply having a backup component may not be enough if it cannot support the required workload. The assessment should therefore consider design, independence, capacity, and recovery behavior.

Question 256. What is the primary objective of performance monitoring for critical information systems?

1) To eliminate the need for capacity planning
2) To identify performance degradation and potential service problems
3) To replace all security monitoring
4) To prevent users from accessing applications

Answer: 2) To identify performance degradation and potential service problems

Explanation:

Performance monitoring collects information about system behavior so that problems can be detected and addressed before they significantly affect users or business operations. Useful metrics may include response time, throughput, resource utilization, transaction rates, and error levels. Monitoring should use meaningful thresholds and escalation procedures appropriate to the system’s criticality. Auditors should evaluate whether performance information is reviewed, retained, and used to support corrective action. Performance monitoring can also contribute to capacity planning by identifying long-term trends. It does not replace security monitoring, but it provides important operational information for maintaining reliable and responsive information services.

Question 257. Which practice best protects backup media stored at an alternate physical location?

1) Leaving the media accessible to all IT employees
2) Storing the media without environmental protection
3) Applying appropriate physical security, environmental protection, and access controls
4) Removing all identification from the media

Answer: 3) Applying appropriate physical security, environmental protection, and access controls

Explanation:

Backup media can contain complete copies of sensitive organizational information and therefore require protection comparable to the original data. Off-site media should be protected against unauthorized access, theft, environmental damage, and loss. Controls may include secure storage facilities, restricted access, inventory records, appropriate environmental conditions, and encryption where suitable. The organization should also maintain procedures for transporting and retrieving media. Auditors should verify that backup storage arrangements support both security and recovery requirements. Simply storing media at a different location does not automatically provide adequate protection. The alternate facility should be assessed for its ability to preserve the confidentiality, integrity, and availability of backup information.

Question 258. Why should critical IT equipment be positioned away from areas vulnerable to water leakage?

1) To reduce the risk of environmental damage and service interruption
2) To increase employee productivity
3) To reduce the number of audit procedures
4) To simplify password administration

Answer: 1) To reduce the risk of environmental damage and service interruption

Explanation:

Water leakage can damage servers, network devices, storage systems, electrical equipment, and other infrastructure. Locating critical equipment away from known water risks, such as plumbing lines or areas prone to flooding, is a basic environmental protection measure. Additional controls may include raised flooring, water-leak detection sensors, drainage arrangements, and appropriate facility design. Auditors should consider whether environmental risks have been identified and whether preventive and detective controls are adequate for the facility. Physical placement is particularly important because environmental incidents can affect multiple systems simultaneously. Reducing exposure to water hazards supports the availability and physical integrity of critical information-processing resources.

Question 259. What is the purpose of maintaining an IT equipment maintenance schedule?

1) To ensure equipment receives required preventive maintenance and remains reliable
2) To determine employee performance ratings
3) To replace access control reviews
4) To eliminate all hardware failures

Answer: 1) To ensure equipment receives required preventive maintenance and remains reliable

Explanation:

Preventive maintenance helps keep critical IT equipment operating reliably and can reduce failures caused by neglected maintenance or deteriorating components. Maintenance schedules may cover servers, power systems, cooling equipment, network devices, storage infrastructure, and other critical assets. The schedule should be based on manufacturer recommendations, operational requirements, environmental conditions, and risk. Auditors can review maintenance records to determine whether required activities are performed on time and whether exceptions are documented. Preventive maintenance cannot eliminate every equipment failure, but it can reduce avoidable disruptions and help identify developing problems before they cause significant operational impact.

Question 260. Which physical control best supports accountability for access to a highly restricted facility?

1) Allowing employees to enter without identification
2) Using a controlled access system that records individual entry and exit activity
3) Keeping the facility unlocked during business hours
4) Allowing employees to share access cards

Answer: 2) Using a controlled access system that records individual entry and exit activity

Explanation:

A controlled physical access system can provide accountability by associating facility entry and exit events with individual authorized users. Access cards, biometric mechanisms, or other controlled methods can help establish who entered a restricted location and when. Shared access credentials weaken accountability because activity cannot be reliably associated with a specific individual. Auditors should evaluate whether access rights are authorized, whether records are protected, and whether access logs are reviewed when required. Physical access records can also support investigations when unauthorized activity occurs. The control should be appropriate to the sensitivity of the facility and integrated with established physical security procedures.