CISA-KR 문제 126
The answer B is correct because Software as a Service (SaaS) provider is the most efficient solution for a multi-location healthcare organization that wants to be able to access patient data wherever patients present themselves for care. SaaS is a cloud computing model that allows users to access software applications over the internet, without having to install, maintain, or update them on their own devices or servers. SaaS providers host and manage the software applications and the underlying infrastructure, and handle any issues such as security, availability, and performance.
SaaS can offer several benefits for a multi-location healthcare organization, such as:
Accessibility: SaaS applications can be accessed from any device and location that has an internet connection, which enables the healthcare organization to access patient data across different facilities and regions, and provide seamless and coordinated care to the patients.
Scalability: SaaS applications can scale up or down according to the demand and usage of the healthcare organization, which allows the organization to accommodate fluctuations in patient volume, data volume, or service requirements.
Cost-effectiveness: SaaS applications are usually offered on a subscription or pay-per-use basis, which reduces the upfront and ongoing costs of purchasing, installing, and maintaining software licenses, hardware, and IT staff.
Security: SaaS providers are responsible for ensuring the security and privacy of the software applications and the data they store, which can help the healthcare organization comply with the relevant regulations and standards, such as HIPAA (Health Insurance Portability and Accountability Act) or GDPR (General Data Protection Regulation).
Some examples of SaaS providers that offer solutions for healthcare organizations are:
Epic: Epic is a leading provider of electronic health record (EHR) systems that enable healthcare organizations to store, manage, and share patient data across different settings and specialties. Epic also offers cloud-based solutions that allow healthcare organizations to access Epic's software applications over the internet, without having to host them on their own servers.
Salesforce Health Cloud: Salesforce Health Cloud is a cloud-based platform that helps healthcare organizations connect with patients, providers, payers, and partners. Salesforce Health Cloud enables healthcare organizations to manage patient relationships, coordinate care teams, engage patients through personalized journeys, and leverage data and analytics to improve outcomes and efficiency.
DocuSign: DocuSign is a cloud-based platform that enables users to sign, send, and manage documents electronically. DocuSign can help healthcare organizations streamline workflows, reduce errors, and enhance compliance by automating the process of obtaining signatures for consent forms, contracts, prescriptions, referrals, and other documents.
The other options are not as efficient as option B. Infrastructure as a Service (IaaS) provider (option A) is a cloud computing model that provides users with access to computing resources such as servers, storage, network, and operating systems over the internet. IaaS can offer some benefits such as flexibility, scalability, and cost-effectiveness for a multi-location healthcare organization, but it also requires more technical expertise and management from the organization than SaaS. The organization would still need to install, configure, update, and secure the software applications that run on the IaaS infrastructure. Network segmentation (option C) is a technique that divides a network into smaller subnetworks based on criteria such as function, location, or security level. Network segmentation can improve the performance, security, and manageability of a network by reducing congestion, isolating threats, and enforcing policies. However, network segmentation alone does not enable a multi-location healthcare organization to access patient data wherever patients present themselves for care. The organization would still need a software solution that can store, manage, and share patient data across different segments of the network. Dynamic localization (option D) is a process that adapts the content and functionality of a software application to suit the preferences and needs of users in different locations or regions. Dynamic localization can enhance the user experience and satisfaction by providing relevant information in local languages, currencies, formats, and regulations. However, dynamic localization does not address the core issue of accessing patient data wherever patients present themselves for care. The organization would still need a software solution that can store, manage, and share patient data across different locations or regions.
References:
Epic
Salesforce Health Cloud
DocuSign
CISA-KR 문제 127
Substantive testing provides the most reliable audit evidence on the validity of transactions in a financial application. Substantive testing is an audit procedure that examines the financial statements and supporting documentation to see if they contain errors or misstatements. Substantive testing can help to verify that the transactions recorded in the financial application are authorized, complete, accurate, and properly classified.
Substantive testing can include methods such as vouching, confirmation, analytical procedures, or physical examination.
CISA-KR 문제 128
CISA-KR 문제 129
The best way to reduce the risk of inaccurate or misleading data proliferating through business intelligence systems is to establish rules for converting data from one format to another, because this ensures that the data quality and integrity are maintained throughout the data transformation process. Data conversion rules define the standards, procedures, and methods for transforming data from different sources and formats into a common format and structure that can be used by the business intelligence systems12. Implementing data entry controls for new and existing applications, implementing a consistent database indexing strategy, and developing a metadata repository to store and access metadata are not the best ways to reduce the risk of inaccurate or misleading data proliferating through business intelligence systems, because they do not address the issue of data conversion, which is a critical step in the data integration process for business intelligence systems. References: 1: CISA Review Manual (Digital Version), Chapter 4, Section 4.3.3 2: CISA Online Review Course, Module 4, Lesson 3
CISA-KR 문제 130
In an online application, data architecture provides the most information about the transaction audit trail, as it describes how data are created, stored, processed, accessed and exchanged among different components of the application. Data architecture includes data models, schemas, dictionaries, metadata, standards and policies that define the structure, quality, integrity, security and governance of data. Data architecture can help the IS auditor to trace the origin, flow, transformation and destination of data in an online transaction, and to identify the key data elements, attributes and relationships that are relevant for audit purposes. A system/process flowchart is a graphical representation of the sequence of steps or activities that are performed by a system or process. A system/process flowchart can provide some information about the transaction audit trail, but it is not as detailed or comprehensive as data architecture. A system/process flowchart shows the inputs, outputs, decisions and actions of a system or process, but it does not show the data elements, attributes and relationships that are involved in each step or activity. A file layout is a specification of the format and structure of a data file. A file layout can provide some information about the transaction audit trail, but it is not as detailed or comprehensive as data architecture. A file layout shows the fields, types, lengths and positions of data in a file, but it does not show the origin, flow, transformation and destination of data in an online transaction. Source code documentation is a description of the logic, functionality and purpose of a program or module written in a programming language. Source code documentation can provide some information about the transaction audit trail, but it is not as detailed or comprehensive as data architecture. Source code documentation shows the instructions, variables and parameters that are used to perform calculations and operations on data, but it does not show the data elements, attributes and relationships that are involved in each instruction or operation. References: CISA Review Manual (Digital Version) 1, Chapter 4: Information Systems Operations and Business Resilience, Section 4.2: Data Administration Practices.
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