WGU Intro to IT E004 Section 3
Question and answers rated A+ 2026
Software as a Service (SaaS) - correct answer ✔a cloud-based service where, instead of downloading
software on your local machine, you access and use the software over the internet. Examples of SaaS
include platforms like Google Workspace (Docs, Sheets, Gmail) and Microsoft 365 (Word, Excel,
OneDrive). SaaS eliminates the need for maintaining complex IT infrastructure and software updates, as
the provider manages everything.
Software Development Life Cycle (SDLC) - correct answer ✔a step-by-step approach that guides teams
through the development of software, from initial concept to final testing. By following this process,
businesses can create software that meets user needs, reduces errors, and remains secure.
Major phases of SDLC - correct answer ✔Analysis: understanding user needs and defining software
requirements
Design: planning how the software will function and look
Implementation: writing the code and building the software
Testing: ensuring the software works correctly before release
Definition of Waterfall Methodology - correct answer ✔A linear, sequential approach where each
phase (requirements, design, implementation, testing, deployment) is completed before the next one
begins
Advantages of Waterfall Methodology - correct answer ✔simple and easy to understand
clear documentation and defined milestones
suitable for projects with stable requirements
Definition of Agile Methodology - correct answer ✔An iterative and incremental approach that
emphasizes flexibility, collaboration, and continuous feedback through short development cycles
(sprints)
, Advantages of Agile Methodology - correct answer ✔highly adaptable to changing requirements
frequent delivery of working software
improved customer satisfaction through collaboration
Definition of DevOps Methodology - correct answer ✔A collaborative approach that integrates
development and operations teams to automate and streamline the software delivery process
Advantages of DevOps Methodology - correct answer ✔faster and more frequent releases
improved collaboration and communication
increased reliability and stability of software
Local Area Networks (LAN) - correct answer ✔connect computers within a single office or building
Wide Area Networks (WAN) - correct answer ✔span multiple locations, linking businesses and data
centers globally
Business Applications - correct answer ✔Networks enable customer management systems, inventory
tracking, and cloud-based tools that improve efficiency.
Collaboration and Communication - correct answer ✔Employees use networks to exchange emails,
participate in video calls, and work on shared documents in real time.
Operational Efficiency - correct answer ✔By connecting databases, cloud platforms, and software
applications, networks streamline processes and ensure access to accurate, real-time information.
Remote-access - correct answer ✔Cloud-based networks provide employees with secure access to
company resources from anywhere, supporting flexible and hybrid work environments.
Question and answers rated A+ 2026
Software as a Service (SaaS) - correct answer ✔a cloud-based service where, instead of downloading
software on your local machine, you access and use the software over the internet. Examples of SaaS
include platforms like Google Workspace (Docs, Sheets, Gmail) and Microsoft 365 (Word, Excel,
OneDrive). SaaS eliminates the need for maintaining complex IT infrastructure and software updates, as
the provider manages everything.
Software Development Life Cycle (SDLC) - correct answer ✔a step-by-step approach that guides teams
through the development of software, from initial concept to final testing. By following this process,
businesses can create software that meets user needs, reduces errors, and remains secure.
Major phases of SDLC - correct answer ✔Analysis: understanding user needs and defining software
requirements
Design: planning how the software will function and look
Implementation: writing the code and building the software
Testing: ensuring the software works correctly before release
Definition of Waterfall Methodology - correct answer ✔A linear, sequential approach where each
phase (requirements, design, implementation, testing, deployment) is completed before the next one
begins
Advantages of Waterfall Methodology - correct answer ✔simple and easy to understand
clear documentation and defined milestones
suitable for projects with stable requirements
Definition of Agile Methodology - correct answer ✔An iterative and incremental approach that
emphasizes flexibility, collaboration, and continuous feedback through short development cycles
(sprints)
, Advantages of Agile Methodology - correct answer ✔highly adaptable to changing requirements
frequent delivery of working software
improved customer satisfaction through collaboration
Definition of DevOps Methodology - correct answer ✔A collaborative approach that integrates
development and operations teams to automate and streamline the software delivery process
Advantages of DevOps Methodology - correct answer ✔faster and more frequent releases
improved collaboration and communication
increased reliability and stability of software
Local Area Networks (LAN) - correct answer ✔connect computers within a single office or building
Wide Area Networks (WAN) - correct answer ✔span multiple locations, linking businesses and data
centers globally
Business Applications - correct answer ✔Networks enable customer management systems, inventory
tracking, and cloud-based tools that improve efficiency.
Collaboration and Communication - correct answer ✔Employees use networks to exchange emails,
participate in video calls, and work on shared documents in real time.
Operational Efficiency - correct answer ✔By connecting databases, cloud platforms, and software
applications, networks streamline processes and ensure access to accurate, real-time information.
Remote-access - correct answer ✔Cloud-based networks provide employees with secure access to
company resources from anywhere, supporting flexible and hybrid work environments.
