WGU D322 EXAM COMPLETE 230 QUESTIONS AND CORRECT ANSWERS |ALREADY A GRADED

WGU D322 EXAM COMPLETE 230 QUESTIONS AND CORRECT ANSWERS |ALREADY A GRADED 1st Generation of Computers - Answer-Vacuum tubes, relay switches, the need to program in machine language .2nd Generation of Computers - Answer-Transistor components, magnetic core memory, smaller size, easier to program, disk drives and drums, called mainframe computers .3rd Generation of Computers - Answer-Silicon chips (known as ICs - integrated circuits), reduced cost, called mini computers, networks introduced via dumb terminals .4th Generation of Computers - Answer-Single chip processor, called microcomputer, first personal computer, rudimentary computer graphics, home use .Administrator Ethics - Answer-Privacy, Ownership, Control, Accuracy, Security .Algorithms - Answer-A formula or procedure for solving a problem. Can also be described as a set of steps that are followed in order to complete a process .Alpha Testing - Answer-System developers assist end users as they interact with new system; simulated data is used .Analysis - Answer-Determines the user requirements for the new system and develops logical models of the system .Anti-virus Software - Answer-Attempts to identify if a file contains a virus or some form of malware .Application Software - Answer-Consists of programs that end users run to accomplish tasks .ASCII - Answer-The first character encoding standard; represents English characters as numbers, with each letter assigned a number from 0 to 127. .Assembly Language - Answer-Easier than machine but still required detailed, precise low level instructions .Attributes - Answer-Columns of the relation .Authentication - Answer-Proving you are who you say you are which can be done by: what you know, what you have (two factor authentication) .Availability - Answer-Requires that information is available when needed .Batch Processing - Answer-Processing large amounts of data all in one batch when the computer system is not busy .Beta Testing - Answer-Performed by the end user without any assistance from the system developers; live data in a real working environment is used. .Big Data - Answer-Refers to data sets that are so large and complex that they will require more advanced database management/processing tools. .Binary - Answer-Uses base 2 system (0 and 1) .BIOS ROM - Answer-BIOS stands for Basic Input Output System; ROM stands for Read Only Memory. Typically stored in ROM chip on the motherboard. Is software not hardware, (”basic” operating system that runs when the computer is first turned on). Runs tests of memory and the CPU and initializes hardware components so that the actual Operating System can be loaded from the hard disk. Can’t choose the amount or contents. .Black Hat Hacker - Answer-Individuals with malicious intent who violate security in order to commit crimes or acts of terrorism .Boolean/Logical - Answer-True/False; applying AND/OR when searching for data. .Brute Force - Answer-The process of using all possible combinations of letters and numbers to crack a password. .Buffer - Answer-Physical memory storage used to temporarily store data while being moved from one place to another; can read faster than RAM but cannot store as much. .Buffer Overflow - Answer-Placing malicious code into the buffer so that it can be executed once stored in memory; oldest and most well known software exploit; software engineers can protect against this when writing code .Bus - Answer-Permits information to move between each component; electrical channels that enable communication among the electronic components .Bus Network - Answer-Devices connected along a single cable. Size of network is restricted. .Business Continuity - Answer-The activity performed by an organization to ensure that critical business functions will be available to customer, suppliers, regulators, and other entities that must have access to those functions. .Business Intelligence - Answer-A specific information system to help an organization reach its strategic goals .Byte - Answer-8 bits; a single character of text in a computer .Character Representation - Answer-ASCII and Unicode .Characteristics of Quality Data - 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 .CIA - Answer-Confidentiality, Integrity, Availability .Circuit Switched Network - Answer-Requires that a full pathway, or circuit, be est. before transmission can begin and maintained during the entire transmission; like calling someone on the phone .Client-server Network - Answer-Contains one or more servers; client is a computer that will request information from another computer; server is a computer that takes requests and responds with the requested information; the software used facilitates communication with remote servers .Cloud Computing - Answer-Offers, as a service, the ability to offload computation and storage from your local computer .Cold Site - Answer-Physical location like a shell that can be used for operations should the need arise; not equipped with hardware, servers, etc.; cheaper to have .Common Steps in SDLC - Answer-Preliminary investigation, Analysis, Logical design, Physical design, Implementation, Maintenance .Compiled Language - Answer-Translates the entire program using a compiler, creating an executable program which can be run at a later time; the program can then be run as many times as one likes, without having to re-translate each time. .Compiler - Answer-Improve language translator; requires that the components of the software all be defined before compilation can begin; code is more effcient .Components of a Computer - Answer-CPU, Memory and Storage, Peripheral Devices .Computer Network Advantages - Answer-1. Cost savings benefits 2. Increased efficiency and productivity 3. Increased facilitation of communication .Computer System - Answer-A collection of components that work together to meet the needs of the user; typically categorized as either hardware, software, networks, or users. .Confidentiality - Answer-Requires that data bet kept secure so that they are not accidentally provided or obtained by unauthorized users .Copyrights - Answer-Protect an original work (in its tangible, expressed form), but not the ideas behind the work for the duration of the author’s life plus 70 years; protects against duplication. .CPU - Answer-Executes programs’ instructions and commands various components in the computer. Referred to as the “chip”. .Data in DIKW - Answer-The input directly received by the user (or computer). It is generally not usable until it has been converted into a relevant form.