(answered 2023) WGU C182 Exam Questions and Answers (Graded A+)

WGU C182 Exam 2023 Which risk assessment question is part of the Initiation Phase? - ANSWER-Could the end user reject the outcome of the project? Planning - ANSWER-In what phase of the project does estimation occur? Initiation Phase # - ANSWER-Phase 1 of 4 in planning Planning Phase # - ANSWER-Phase 2 of 4 in planning Executing & Controlling Phase # - ANSWER-Phase 3 of 4 in planning Closing Phase # - ANSWER-Phase 4 of 4 in planning Initiation key elements - ANSWER-Problem definition, resource allocation and risk assessment Planning key elements - ANSWER-Determine objectives and activities, organize the activities, and estimate time and cost required to successfully complete the project Executing & Controlling key elements - ANSWER-Ensuring that the project is progressing properly and may involve hiring or training personnel, purchase hardware, and developing, testing, and deploying a product or service Closing key elements - ANSWER-Once all deliverables are met, a project is considered closed. May include a final report detailing the processes strengths and successes and obstacles that were encountered Why is it important to ensure that data support business goals? - ANSWER-To aid in making strategic decisions Data type needed to order names and numbers in a database - ANSWER-String data What effect does scope creep have on a project? - ANSWER-In increases unplanned costs for the project Scope Creep - ANSWER-Additional features are needed or could be beneficial which can impact the allocation of resources (i.e., time and capital), and put the project at risk In which category of the DIKW hierarchy would BI be located? - ANSWER-Knowledge DIKW - ANSWER-Describes the transition for data, information, knowledge to wisdom D in DIKW - ANSWER-Data, inputs directly received by a computer I in DIKW - ANSWER-Information, transform data into a useful form (using algebraic laws) K in DIKW - ANSWER-Knowledge, is gained experience from using information (knowing which algebraic laws to use in a given situation) W in DIKW - ANSWER-Wisdom, social setting to knowledge or the understanding of "why". Wisdom is the ultimate goal for a human in that it improves the person's ability to function in the modern world and to make informed decisions that take into account beliefs and values. Which system requirement is an example of considering user needs in the design of an information system? - ANSWER-Allowing easy access to customer account information Which field must contain a unique value in order for a relational database table to function? - ANSWER-Primary key N-Tier - ANSWER-Indicate that the number of tiers a system will be broken down into will vary between different software development projects. In typical n-tier development projects, the tiers are divided between the presentation tier, the logic tier, and the data tier Presentation N-Tier - ANSWER-User interface is developed Logic N-Tier - ANSWER-Where the system performs its logic processing Data N-Tier - ANSWER-Where data is stored, retrieved, and updated from database tables Benefit of separating database from application? - ANSWER-Data can change without the need to change the application, scale more easy, removes the need for users to interact directly with data How does a compiler work? - ANSWER-It takes the most recent instructions and translated them into machine language What is the characteristic of high-level languages? - ANSWER-Language translator programs are required Which is a type of two-factor authentication? - ANSWER-Biometrics End users assisted by developers; systems tested with simulated data - ANSWER-Alpha testing End user test the system in operational setting to see if it's useful - ANSWER-User Acceptance End user tests the system without help from developers; using actual data - ANSWER-Beta testing SDLC - ANSWER-Software Development Life Cycle SDLC aka - ANSWER-Staircase or most referred to as waterfall