INTRODUCTION TO IT - D322 PA

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INTRODUCTION TO IT - D322 – PA

UPDATED ACTUAL EXAM WITH CORRECT

SOLUTIONS.

Information Technology - correct answer- The technology used in creating, maintaining, and making information accessible.

IT Professional Roles - correct answer- Administration and Support

System Administrator - correct answer- Maintains all aspects of the system including hardware, software, and programming.

Network Administrator - correct answer- In charge of all aspects of the computer network

Database Administrator - correct answer- Focuses on the design, development, and support of database management systems (DBMSs).

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Security Administrator - correct answer- Installs, configures, and administers firewall security to protect systems and proactively work to stop intrusions.

Web Administrator - correct answer- Installs, configures, maintains, secures, and troubleshoots web severs.

Support IT Professionals - correct answer- Help desk and training.

Information - correct answer- Processed data.

DIKW Hierarchy - correct answer- Defines the transition of data to information from knowledge to wisdom. (Data Information Knowledge Wisdom)

Data in DIKW - correct answer- The input directly received by the user (or computer). It is generally not usable until it has been converted into a relevant form.

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Information in DIKW - correct answer- Having been inferred from data; one or more processes have been applied to the data to transform it into a more useful form.

Knowledge in DIKW - correct answer- Information that has been put to use; information placed into a context. Refined information such that the user of the knowledge is able to call forth only relevant portions of information when needed.

Wisdom in DIKW - correct answer- Provides a social setting to knowledge; an understanding of the "why". Can only come by having both knowledge and experience.

Information Systems - correct answer- A collection of data and information used to support the management of an organization. Also refers to the technical components and human resources that enable the assembly, storage, and processing of data and the delivery of information. This has existed for a lot longer than computers.

Characteristics of Quality Data - correct answer- Relevance - the data being used must apply directly to the decision being made

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Timely - data must be efficient and must be provided in a timely manner

Thorough - the data must be complete

Accurate - data should be captured only once, where possible and should be captured as close to the point of activity as possible.

Reliable - data should reflect stable and consistent data collection processes across collections points and over time

IPOS - correct answer- The Input-Procession-Output-Storage Cycle

Input - correct answer- Raw data is entered by the user.

Processing - correct answer- Raw data is organized or structured for usefulness.

Output - correct answer- Information is output so user can see results.

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