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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Networking Concepts | 20% | - TCP/IP, IP addressing, and connectivity - Network types, topologies, and protocols - Internet, cloud, and remote access technologies |
| Topic 2: Information Security | 15% | - Data protection and compliance basics - Security controls: access, encryption, backups - Threats, vulnerabilities, and risks |
| Topic 3: Computer Hardware | 20% | - System architecture and performance factors - Core components: CPU, memory, storage - Input/output devices and peripherals |
| Topic 4: Data Management and Business IT | 10% | - Databases and data storage concepts - IT infrastructure, continuity, and support |
| Topic 5: Introduction to IT as a Discipline | 15% | - IT department functions and business support - IT roles and career paths - Ethics and professional responsibilities in IT |
| Topic 6: Software and Operating Systems | 20% | - Types of software: system vs application - OS fundamentals: Windows, macOS, Linux - File management, installation, and updates |
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質問 # 12
Which of the following is required for communication over the Internet?
正解：E
解説：
Communication over the Internet relies on packet-switched networks. Here's why:
1.Packet Switching:
oThe Internet uses a packet-switching approach to transmit data.
oIn this method, data is divided into smaller packets before transmission.
oEach packet contains a portion of the original data along with addressing information.
oThese packets are then sent independently across the network.
oAt the destination, the packets are reassembled to reconstruct the original data.
2.Advantages of Packet Switching:
oEfficiency: Packet switching allows multiple users to share the same network resources efficiently.
oRobustness: If a link or node fails, packets can find alternative routes to reach their destination.
oScalability: The network can handle varying traffic loads without significant reconfiguration.
3.Other Options:
oAn IP Alias: An IP alias is an additional IP address associated with a network interface. It is not a requirement for communication over the Internet.
oA LAN (Local Area Network): A LAN is a local network within a limited geographical area. While LANs are essential for local communication, they are not directly required for Internet communication.
oA circuit-switched network: Circuit-switched networks establish dedicated connections between sender and receiver. The Internet does not use this approach.
oAn analog signal: Analog signals were used in older communication systems (e.g., telephone lines), but the Internet primarily relies on digital signals.
References:
*1ITExamAnswers: 5.4.3 Communications Principles Quiz Answers
*2GCFGlobal.org: Computer Basics - Connecting to the Internet
質問 # 13
What are two roles of the Internet in the business ecosystem?
Choose 2 answers
正解：A、D
解説：
The Internet plays two important roles in the business ecosystem:
1.Marketing of products and services: The Internet provides a platform for businesses to promote their products and services globally, reaching a wider audience.
2.Connecting remote employees and offices across wide distances: Through the Internet, remote employees can collaborate, communicate, and work effectively regardless of geographical boundaries.
References
1.The Role of Internet in Business
2.The great transformer: The impact of the Internet on economic growth
質問 # 14
A person is updating procedures for handling integer data within a database. Which value is an example of this data type?
正解：C
解説：
Integer data is a numeric data type used to store whole numbers without fractional or decimal parts. In Information Technology and database systems, integers are commonly used for counts, quantities, identifiers, and values that naturally occur as whole numbers. The value "the number of baseball games in a season" is a count and is expressed as a whole number, making it a clear example of integer data. By contrast, 3.14159 includes decimal places and is typically stored as floating-point or decimal data rather than integer. A single keystroke is character data because it represents a symbol such as A or 7, not a quantity. Whether a bank account does or does not have money in it is a two-state condition and is best represented as Boolean data, such as true or false. Using correct data types improves storage efficiency, supports accurate validation rules, and helps ensure correct query behavior. Therefore, the correct example of integer data is the number of baseball games in a season.
質問 # 15
When would a business intelligence (BI) system be useful in making a decision?
正解：A
解説：
A BI system shines in this scenario because it leverages the power of data from various sources and turns that into actionable insights:
*Customer Sentiment Analysis: BI systems can incorporate natural language processing to analyze customer reviews, gauging sentiment and preferences towards organic food. Trends and patterns can be identified.
*Cost Analysis: BI can pull in data on ingredient costs (organic vs. conventional), preparing a comprehensive analysis of how switching to more organic food would impact operational expenses.
*Decision Support: By combining customer sentiment, cost analysis, and potentially market trends (through external data integration), a BI system can provide a holistic view of the trade-offs and the potential impact of increasing organic food usage.
質問 # 16
A local nonprofit organization that promotes healthy living in low income communities is planning an outreach program for members of the community that have type 2 diabetes. The organization plans to partner with local hospitals and health centers in order to reach patients.
Which government regulation do the healthcare providers need to consider to ensure that they do not illegally provide patient information?
正解：A
解説：
Healthcare providers need to consider the Health Insurance Portability and Accountability Act of 1996 (HIPAA) to ensure that they do not illegally provide patient information1. HIPAA establishes national standards to protect individuals' medical records and other individually identifiable health information, including protected health information2. It applies to health plans, health care clearinghouses, and health care providers that conduct certain health care transactions electronically2. The Privacy Rule within HIPAA sets a baseline of protection for health information and allows patients to choose whether their health information may be disclosed for specific purposes such as treatment, payment, and health care operations3. Therefore, healthcare providers partnering with local hospitals and health centers should adhere to HIPAA guidelines to safeguard patient privacy.
質問 # 17
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