Introduction to IT - D322
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Free Introduction to IT - D322 Questions
There are 30 questions on a final exam. The exam will be given in room 126 at 2.00 p.m., and students have one hour to complete it
What is the data-information-knowledge-wisdom (DIKW) pyramid component exemplified by the value "2.00"
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Information
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Data
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Wisdom
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Knowledge
Explanation
Correct Answer B: Data
Explanation
The value "2:00" by itself is a raw fact without context, making it data in the DIKW hierarchy. It only becomes information when it's connected to the exam schedule, and becomes knowledge or wisdom when it's used for planning or decision-making.
Why the Other Options Are Incorrect:
A. Information
If the statement were "The exam is at 2:00 p.m.," it would be information. But "2:00" alone is just a data point.
C. Wisdom
Wisdom involves applying knowledge to make decisions—this doesn't demonstrate that.
D. Knowledge
Knowledge involves understanding relationships or patterns. A standalone time doesn't show that.
What is a professional organization that publishes a set of ethical IT guidelines
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National Institute of Standards and Technology (NIST)
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Association of Information Technology Professionals (AITP)
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National Security Agency (NSA)
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Institute for Telecommunication Sciences (ITS)
Explanation
Correct Answer B: Association of Information Technology Professionals (AITP)
Explanation:
The AITP is a professional organization that promotes ethical standards, career development, and continuing education in the IT field. It provides a code of ethics and guidelines for professional behavior among IT practitioners.
Why the Other Options Are Incorrect:
A. National Institute of Standards and Technology (NIST)
Focuses on technical standards and cybersecurity frameworks, not ethics guidelines.
C. National Security Agency (NSA)
A government agency focused on intelligence and security, not a professional body that publishes ethics codes.
D. Institute for Telecommunication Sciences (ITS)
A research division under the Department of Commerce, not a professional organization for IT ethics.
Which term describes the JavaScript computer coding language
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Machine
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Assembly
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Interpreted
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Compiled
Explanation
Correct Answer C: Interpreted
Explanation:
JavaScript is an interpreted language, meaning its code is executed line-by-line at runtime by a web browser or interpreter, rather than being compiled into machine code beforehand.
Why the Other Options Are Incorrect:
A. Machine
Machine language consists of binary code that is directly executed by a computer’s CPU. JavaScript must be interpreted, not run directly as machine code.
B. Assembly
Assembly language is a low-level language that is closer to machine code and specific to a CPU architecture. JavaScript is a high-level language.
D. Compiled
Compiled languages are transformed into machine code before execution. JavaScript is not compiled in the traditional sense but interpreted at runtime.
How can uptime be improved
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By increasing the speed of information system startup processes
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By increasing the time interval between system backups
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By increasing the amount of time that resources are available for use
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.By increasing the time between system maintenance events
Explanation
Correct Answer C: By increasing the amount of time that resources are available for use
Explanation:
Uptime refers to the period during which a system or resource is fully operational and accessible. To improve uptime, you must maximize system availability and reduce downtime, which means ensuring resources are consistently accessible.
Why the Other Options Are Incorrect:
A. By increasing the speed of information system startup processes
Faster startup helps with recovery time, but it doesn't increase uptime itself—it just reduces the delay after downtime.
B. By increasing the time interval between system backups
Longer backup intervals increase risk of data loss and don't improve uptime.
D. By increasing the time between system maintenance events
Delaying maintenance can lead to system failures, decreasing uptime instead of improving it.
Which factor affects the choice of an operating system
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Frequency of use
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User interface
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Coding language
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Driver compatibility
Explanation
Correct Answer D: Driver compatibility
Explanation:
D. Driver compatibility
Driver compatibility is a key factor in choosing an operating system because hardware devices (printers, graphics cards, USB devices, etc.) require specific drivers to function properly. If the OS doesn’t support the required drivers, the hardware may not work.
Why the Other Options Are Incorrect:
A. Frequency of use
How often you use a system does not determine which OS is best suited for your hardware or software needs.
B. User interface
While the user interface can affect the user experience, it’s usually a secondary consideration after compatibility, performance, and support.
C. Coding language
The programming language used to build software is not typically a factor in choosing an operating system, unless you're a developer targeting a specific platform.
What is the name of a network that consists of a collection of computers in a single building or building complex
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Wide area network (WAN)
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Personal area network (PAN)
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Extended area network (EAN)
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Local area network (LAN)
Explanation
Correct Answer D: Local area network (LAN)
Explanation:
A Local Area Network (LAN) is a network that connects computers and devices within a limited area, such as a single building, office, or campus. It allows for high-speed communication and resource sharing among connected devices.
Why the Other Options Are Incorrect:
A. Wide area network (WAN)
A WAN covers a large geographical area, often connecting LANs across cities, countries, or globally (e.g., the internet).
B. Personal area network (PAN)
A PAN is designed for very short-range connections—typically within a few meters—such as between a smartphone and wireless earbuds.
C. Extended area network (EAN)
EAN is not a standard term in networking. It’s sometimes used informally but not recognized as a formal category like LAN, WAN, or PAN.
Which category represents one of the three broad types of risks that a project may encounter
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Risks in integration
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Risks of disagreement
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Risks in planning
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Risks of dependencies
Explanation
Correct Answer D: Risks of dependencies
Explanation:
Dependency risks occur when the success of one task or deliverable relies on the completion or success of another. This is one of the three broad types of project risks, alongside technical risks and external risks. Dependency risks can lead to delays if a prerequisite task is not completed on time.
Why the Other Options Are Incorrect:
A. Risks in integration
Integration may be part of technical risk but is not recognized as a broad risk category on its own.
B. Risks of disagreement
Disagreements may cause issues but are generally considered part of stakeholder or interpersonal risks, not a broad formal risk category.
C. Risks in planning
Planning errors can introduce risk, but "risks in planning" is not a recognized broad category like dependency, technical, or external risks.
There are 30 questions on a final exam. The exam will be given in room 126 al 2:00 p.m., and students have one hour to complete il
What is the data-information-knowledge-wisdom (DIKW) pyramid component exemplified by the statement, "1 have extra lime, so I should review my answers"
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Wisdom
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Knowledge
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Data
-
Information
Explanation
Correct Answer A: Wisdom
Explanation:
The statement "I have extra time, so I should review my answers" reflects the application of knowledge to make a thoughtful, purposeful decision. This is the hallmark of wisdom—using what you know to take the best course of action.
Why the Other Options Are Incorrect:
B. Knowledge
Knowledge is understanding that extra time remains and that reviewing is beneficial—but not yet acting on it.
C. Data
Data would be facts like "there are 30 questions" or "15 minutes remain."
D. Information
Information is data with context, like "the exam is one hour long." It doesn't include making decisions or applying judgment.
The leader of an IT department decided to use a database in which access to the dala is restricted to the patlis in the trees and is, therefore, predictable.
Which type of database is described
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NoSOL
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Relational
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Cloud
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Hierarchical
Explanation
Correct Answer D: Hierarchical
Explanation:
D. Hierarchical
A hierarchical database organizes data in a tree-like structure, where each record has one parent and possibly many children. Access to data is predictable and follows fixed paths, making it suitable for applications requiring a clear parent-child relationship.
Why the Other Options Are Incorrect:
A. NoSQL
NoSQL databases are more flexible and don't rely on tree-like structures or fixed access paths.
B. Relational
Relational databases organize data in tables and allow flexible access through queries, not restricted paths.
C. Cloud
"Cloud" refers to where the database is hosted, not how it is structured or accessed. It can host any type of database.
What is a priority of business continuity
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High availability of resources
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Frequent preventive maintenance
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Rapid system development
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High on-sight redundancy
Explanation
Correct Answer A: High availability of resources
Explanation:
A key priority of business continuity is ensuring that critical systems and resources remain available during and after a disruption. This minimizes downtime and allows operations to continue or resume quickly.
Why the Other Options Are Incorrect:
B. Frequent preventive maintenance
This helps with system reliability but is more aligned with IT operations than business continuity planning.
C. Rapid system development
Speed in development is part of software engineering goals, not continuity planning.
D. High on-sight redundancy
While redundancy is important, on-site redundancy can be a risk if the site itself is compromised. Business continuity focuses on overall availability, which often includes off-site backups and failovers.
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