WGU C182 QUESTIONS AND ANSWERS

IT Professional Roles Correct Answer: Administration and Support System Correct Answer: A combination of independent parts all working together to accomplish a certain goal. Information Technology Correct Answer: The technology used in creating, maintaining, and making information accessible, which includes the software, data and computer networks. System Administrator Correct Answer: Maintains all aspects of the system including hardware, software (OS), and programming. Network Administrator Correct Answer: In charge of all aspects of the computer network (routers and switches). Database Administrator Correct Answer: Focuses on the design, development, and support of database management systems (DBMSs). Also, integration of data from older systems to new ones. 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. (Webmasters) Support IT Professionals Correct Answer: Help desk and training (create docs, helpful websites, training sessions). IT Personnel Correct Answer: Install, test, and update software; process data into information, develop fast computer chips. Information Correct Answer: Processed data. DIKW Hierarchy (Data Information Knowledge Wisdom) Correct Answer: Defines the transition of data to information to knowledge to 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. 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 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. Storage Correct Answer: Processed information is stored for permanent record. Computer System Correct Answer: A collection of components that work together to meet the needs of the user; typically categorized as either hardware, software, networks, or users. Hardware Correct Answer: Physical components of a computer system which include the system unit and its components and peripheral devices; tangible aspects of the computer. Software Correct Answer: Computer programs that tell the computer what to do--how to execute commands and process information Network Correct Answer: A collection of computers and resources connected by various media so that they can communicate with each other. User Correct Answer: Those who use a computer.