Which IT practice supports green computing?
Answer(s): A
Green computing practices aim to reduce environmental impact by lowering energy use, minimizing e-waste, and extending hardware life cycles. One of the most effective practices is to extend device life through reuse and refurbishment. This prevents premature disposal, reduces demand for new hardware manufacturing, and lowers overall environmental impact.Option B: Incorrect--prioritizing high performance can increase energy consumption and is not necessarily sustainable.Option C: Incorrect--economical hardware does not always mean environmentally sustainable.Option D: Incorrect--recycling is important, but refurbishment and reuse extend usable life and reduce waste earlier.Thus, the IT practice that best supports green computing is extending device life with reuse and refurbishment.
WGU Information Technology Management IT Sustainability and Green Computing, section on Extending Equipment Life.
Which material in electronic devices poses an environmental hazard?
Mercury, commonly found in older LCD displays, fluorescent backlights, and some batteries, is a toxic heavy metal that poses significant environmental and health hazards if electronic waste is not disposed of properly. It can contaminate soil and water supplies, harming both humans and wildlife.Option B: Plastic is generally not toxic in the same way, though it contributes to waste.Option C: Aluminum is recyclable and not considered highly hazardous.Option D: Gold is valuable and recyclable, not an environmental hazard.Therefore, the hazardous material in electronic devices is mercury in displays.
WGU Information Technology Management IT Sustainability and E-Waste, section on Hazardous Materials in Electronics.
What is a benefit of unified communications?
Answer(s): D
Unified communications (UC) integrates various communication tools such as instant messaging, email, voice, video conferencing, and collaboration platforms into a single interface. The primary benefit is enhanced collaboration, allowing teams to work together seamlessly across multiple channels and geographic locations.Option A: Incorrect--UC focuses on communication, not resource speed.Option B: Incorrect--UC does not provide additional storage.Option C: Incorrect--billing is unrelated to unified communications.Thus, the benefit of unified communications is enhanced collaboration.
WGU Information Technology Management Communication Systems, section on Unified Communications.
Which gate of the Rational Unified Process (RUP) should the organization execute before validating the system architecture?
The Rational Unified Process (RUP) is an iterative software development framework with four phases: Inception, Elaboration, Construction, and Transition. The Elaboration phase comes after Inception and is focused on analyzing requirements, validating the system architecture, and addressing major risks before full-scale development begins.Option B (Transition): Final phase, focused on deploying the system to end users.Option C (Construction): Development and coding of the system, after architecture is validated.Option D (Inception): Early phase, focused on business case and scope definition.Thus, the correct phase before validating the system architecture is Elaboration.
WGU Information Technology Management Systems Development Methodologies, section on Rational Unified Process (RUP) Phases.23
What is communications media in a unified communications system?
In a unified communications system, communications media refers to the actual method by which communication takes place. A key example is a software-based phone that uses Voice over Internet Protocol (VoIP), which allows users to make phone calls through the internet instead of relying on traditional analog systems.Option B: Incorrect--mobile conferencing devices are tools, not the core communications media.Option C: Incorrect--signal converters are hardware for compatibility, not communications media.Option D: Incorrect--traditional phones are legacy hardware, not unified digital media.Thus, communications media in UC systems is represented by a software-based phone using VoIP.
WGU Information Technology Management Unified Communication Tools, section on VoIP and Communication Media.
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