CISA-KR 문제 111
Computer performance is the measure of how well a computer system can execute tasks and applications within a given time frame. Computer performance can be affected by various factors, such as hardware specifications, software configuration, network conditions, and user behavior. To analyze computer performance, it is important to use statistical metrics that can quantify the capacity utilization of the system resources, such as CPU, memory, disk, and network. These metrics can help identify the bottlenecks, inefficiencies, and anomalies that may degrade the performance of the system. Examples of such metrics include CPU utilization, memory usage, disk throughput, network bandwidth, and response time.
The other options are not as useful as statistical metrics when analyzing computer performance. An operations report of user dissatisfaction with response time is a subjective measure that may not reflect the actual performance of the system. Tuning of system software to optimize resource usage is a corrective action that can improve performance, but it is not a method of analysis. A report of off-peak utilization and response time is a limited snapshot that may not capture the peak performance or the average performance of the system.
References:
What is Computer Performance?
How to Measure Computer Performance
CISA-KR 문제 112
Sending a copy of the transaction logs to offsite storage on a daily basis would minimize the risk of losing transactions as a result of a disaster. This is because offsite storage provides a backup of the data that can be recovered in case of a catastrophic event that destroys or damages the onsite data. Storing a copy of the transaction logs onsite in a fireproof vault (B) would not protect the data from other types of disasters, such as floods, earthquakes, or theft. Encrypting or signing (D) a copy of the transaction logs and storing them on a local server would not prevent the loss of data if the server is affected by the disaster. Encryption and digital signatures are security measures that protect the confidentiality and integrity of the data, but not the availability.
Reference: CISA - Certified Information Systems Auditor Study Guide1, Chapter 5: Protection of Information Assets, Section 5.2: Backup and Recovery Concepts, Page 353.
CISA-KR 문제 113
다음 중 이 보고 구조와 관련된 가장 큰 우려 사항은 무엇입니까?
The greatest concern with the IT department and internal IS audit function both reporting to the CIO is the potential compromise of IS audit independence. Auditor independence refers to the impartiality and objectivity of an auditor in conducting an audit, free from conflicts of interest and bias1. It is crucial for ensuring the quality and reliability of financial reporting1. If the IS audit function reports to the CIO, who also oversees the IT department, it could create a conflict of interest that might compromise the impartiality and objectivity of the IS audit function.
References:
Auditor Independence - What is it, Rules, Importance, Examples
CISA-KR 문제 114
The most important factor to consider when developing a service level agreement (SLA) is the description of the services from the viewpoint of the client organization, because the SLA should reflect the needs and expectations of the client and specify the measurable outcomes and performance indicators that the provider must deliver34. The description of the services from the viewpoint of the provider, the detailed identification of work to be completed, and the provisions for regulatory requirements that impact the end users' businesses are also important elements of an SLA, but not as crucial as the client's perspective. References: 3: CISA Review Manual (Digital Version), Chapter 5, Section 5.3.1 4: CISA Online Review Course, Module 5, Lesson
3
CISA-KR 문제 115
The best way to detect unauthorized copies of licensed software on systems is to conduct periodic software scanning. Software scanning is a process of using specialized tools or programs to scan the systems and identify the software installed, the license status, the usage, and the compliance with the software policies and agreements. Software scanning can help to detect any unauthorized, unlicensed, or illegal copies of software on the systems, as well as any discrepancies or violations of the software licenses. Software scanning can also help to optimize the software inventory, reduce the software costs, and improve the security and performance of the systems12.
Some examples of software scanning tools are:
Microsoft Software Inventory Analyzer (MSIA): A free tool that scans Windows-based computers and servers and generates reports on the Microsoft products installed, such as operating systems, applications, and updates3.
Belarc Advisor: A free tool that scans Windows-based computers and generates reports on the hardware and software installed, including license keys, versions, usage, and security status4.
Lansweeper: A paid tool that scans Windows, Linux, Mac, and other network devices and generates reports on the hardware and software inventory, license compliance, configuration, and vulnerabilities5.
To conduct periodic software scanning, you need to:
Choose a suitable software scanning tool that meets your needs and budget.
Define the scope and frequency of the software scanning, such as which systems to scan, how often to scan, and what information to collect.
Configure and run the software scanning tool according to the instructions and settings.
Review and analyze the software scanning reports and identify any unauthorized copies of licensed software on the systems.
Take appropriate actions to remove or regularize the unauthorized copies of licensed software on the systems.
Document and report the results and findings of the software scanning.
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