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| Section | Objectives |
|---|---|
| Topic 1: Data, Databases & Information Systems | - Databases
|
| Topic 2: IT Roles, Governance & Professional Practices | - Governance & Processes
|
| Topic 3: Computer Hardware & Software Fundamentals | - Software Systems
|
| Topic 4: Networking & Internet Fundamentals | - Network Devices
|
| Topic 5: Cybersecurity & Emerging Technologies | - Security Fundamentals
|
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NEW QUESTION # 104
A person is updating procedures for handling integer data within a database. Which value is an example of this data type?
Answer: B
Explanation:
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.
NEW QUESTION # 105
A person is preparing a pizza, which needs to be baked for 18 minutes at 400°F. Which component of the data- information-knowledge-wisdom DIKW hierarchy is exemplified by the value 18 in this scenario?
Answer: C
Explanation:
In the DIKW hierarchy, the value 18 by itself represents data because it is a raw numeric fact without meaning until it is connected to context. In Information Systems fundamentals, data is defined as unprocessed facts such as numbers, symbols, or measurements that do not explain their purpose on their own. The number
18 could represent many things: minutes, dollars, items, or a temperature reading. Once the number is connected to the statement baked for 18 minutes, it becomes information because the data has been given context and meaning. Knowledge would involve understanding how baking time interacts with oven type, pizza thickness, or cooking technique, and being able to apply that understanding to adjust cooking when conditions change. Wisdom would involve making the best overall decision, such as considering health, safety, and preventing burning based on real-world judgment. Since the question asks specifically about the value 18 in isolation, it matches the DIKW definition of data as a raw fact. Therefore, the correct answer is data.
NEW QUESTION # 106
What is the hardware component that contains soldered parts and slots for other pieces of hardware that can be removed?
Answer: D
Explanation:
The motherboard is the main circuit board in a computer that contains soldered components and provides slots and connectors for removable hardware. In Information Technology hardware fundamentals, the motherboard holds essential components such as chipset circuitry, connectors, and sometimes integrated devices like audio or network controllers. It also provides sockets and slots for components that may be installed or replaced, such as the CPU socket, RAM slots, and expansion slots like PCIe for graphics cards or other add-on cards.
The motherboard includes pathways called buses that enable communication among the processor, memory, storage, and peripheral devices. A hard drive is a storage device and does not serve as the central board for system components. The system clock is a timing mechanism, not a physical board containing multiple slots.
An expansion bus refers to a communication pathway standard, not the full board that hosts multiple connectors and soldered parts. Therefore, the component described is the motherboard.
NEW QUESTION # 107
A company needs a database in which data is stored in a plain text document and is separated by delimiters, such as commas. Which type of database is needed?
Answer: B
Explanation:
A flat-file database is designed to store data in a single, plain text file where values are arranged in records and fields, often separated by delimiters such as commas, tabs, or semicolons. A common example is a CSV file, which stores each record on its own line and separates fields with commas. In Information Technology fundamentals, flat-file storage is frequently introduced as a simple way to maintain structured data without requiring a complex database management system. Flat-file databases work well for smaller datasets, simple lists, data exports, and situations where relationships between multiple tables are not required. However, because everything is typically stored in one file, flat-file systems can become inefficient and error-prone when data grows large or when updates must maintain consistency across repeated values. Hierarchical databases organize data in parent-child trees, distributed databases store data across multiple machines, and cloud databases focus on hosting and access models. For delimiter-separated plain text storage, the correct type is a flat-file database.
NEW QUESTION # 108
What are two signs of a phishing e-mail?
Choose 2 answers
Answer: A,C
Explanation:
1.Poor grammar and spelling errors: Phishing emails often contain mistakes in language, grammar, or spelling. These errors can be a red flag that the email is not legitimate.
2.An email from an organization you don't recognize: Be cautious if you receive an email from an unfamiliar organization. Verify the sender's legitimacy before taking any action.
References:
*1Cofense: 10 Signs of a Phishing Email
*2CrowdStrike: How to Spot a Phishing Email
*3Malwarebytes: Phishing Email - How to Identify and Avoid Phishing Attacks
*4SecurityMetrics: 7 Ways to Recognize a Phishing Email
NEW QUESTION # 109
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