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WGU D322 Introduction to IT Exam 491 Questions with Verified Answers,100% CORRECT
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WGU D322 Introduction to IT Exam 491 Questions with Verified Answers
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WGU D322 Introduction to IT Exam 491 Questions withVerified Answers
The technology used in creating, maintaining, and making information accessible.
- CORRECT ANSWER Information Technology
Administration and Support - CORRECT ANSWER IT Professional Roles
Maintains all aspects of the system including hardware, software, and
programming. - CORRECT ANSWER System Administrator
In charge of all aspects of the computer network - CORRECT ANSWER Network
Administrator
Focuses on the design, development, and support of database management
systems (DBMSs). - CORRECT ANSWER Database Administrator
Installs, configures, and administers firewall security to protect systems and
proactively work to stop intrusions. - CORRECT ANSWER Security Administrator
Installs, configures, maintains, secures, and troubleshoots web severs. - CORRECT
ANSWER Web Administrator
Help desk and training. - CORRECT ANSWER Support IT Professionals
Processed data. - CORRECT ANSWER Information
Defines the transition of data to information from knowledge to wisdom. (Data
Information Knowledge Wisdom) - CORRECT ANSWER DIKW Hierarchy
The input directly received by the user (or computer). It is generally not usable
until it has been converted into a relevant form. - CORRECT ANSWER Data in
DIKW
,Having been inferred from data; one or more processes have been applied to the
data to transform it into a more useful form. - CORRECT ANSWER Information in
DIKW
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. - CORRECT ANSWER Knowledge in DIKW
Provides a social setting to knowledge; an understanding of the "why". Can only
come by having both knowledge and experience. - CORRECT ANSWER Wisdom in
DIKW
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. - CORRECT ANSWER
Information Systems
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 - CORRECT ANSWER Characteristics of
Quality Data
The Input-Procession-Output-Storage Cycle - CORRECT ANSWER IPOS
Raw data is entered by the user. - CORRECT ANSWER Input
Raw data is organized or structured for usefulness. - CORRECT ANSWER
Processing
,Information is output so user can see results. - CORRECT ANSWER Output
Processed information is stored for permanent record. - CORRECT ANSWER
Storage
A collection of components that work together to meet the needs of the user;
typically categorized as either hardware, software, networks, or users. - CORRECT
ANSWER Computer System
Physical components of a computer system which include the system unit and its
components and peripheral devices; tangible aspects of the computer. - CORRECT
ANSWER Hardware
Computer programs that tell the computer what to do--how to execute
commands and process information - CORRECT ANSWER Software
A collection of computers and resources connected by various media so that they
can communicate with each other. - CORRECT ANSWER Network
Those who use a computer. - CORRECT ANSWER User
Systems Software and Applications Software - CORRECT ANSWER Software
Categories
First users were the engineers who built and programmed computers, then
employees who had received specialized training were users, and now today,
anyone and everyone can be a user. - CORRECT ANSWER Evolution of Users
Rules provided by which networks communicate with each other. - CORRECT
ANSWER Protocol
Transmission Control Protocol/Internet Protocol. Most commonly used protocol;
is required of all computers that communicate over the Internet. - CORRECT
ANSWER TCP/IP
, A collection of protocols. TCP/IP is an example. - CORRECT ANSWER Protocol
Stack
CPU, Memory and Storage, Peripheral Devices - CORRECT ANSWER Components
of a Computer
Executes programs' instructions and commands various components in the
computer. Referred to as the "chip". - CORRECT ANSWER CPU
Stores the programs being executed and the data they are using. - CORRECT
ANSWER Memory
All peripheral devices where long term storage devices are used. - CORRECT
ANSWER I/O Subsystem
Permits information to move between each component; electrical channels that
enable communication among the electronic components - CORRECT ANSWER
Bus
Critical component of all computer based systems; consists of most of the
hardware the computer needs in order to run; comes in a variety of shapes and
sizes. - CORRECT ANSWER System Unit
Case, Internal Bays, Buses, Ports, Hard Drive, Motherboard, CPU, CPU Cooler,
Memory Module (RAM), Power Supply Unit (PSU), Expansion Slots/Cards -
CORRECT ANSWER Internal Components of the System Unit
Control Unit (CU) - retrieves the instructions and the raw data that is input and
coordinates or controls the sending of those instructions and data to the ALU
Arithmetic Logic Unit (ALU) - does the actual processing of the data; completing
mathematical calculations and logical operations to process the data and
converting the input of the keyboard text entry to output displayed on the screen
- CORRECT ANSWER Parts of the CPU
Controls the speed at which instructions are processed. - CORRECT ANSWER
System Clock
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