The answer is redundant power supplies and UPS systems, as these are foundational to ensuring high availability and fault tolerance in a data center. This design consideration directly addresses the need for uninterrupted operation by protecting critical IT services against power outages, fluctuations, and hardware failures, which aligns with industry best practices for Tier II and above facilities. On the CompTIA Project+ PK0-005 exam, this concept tests your understanding of environmental controls and infrastructure reliability within the broader scope of data center design considerations for a redundant power environment. A common trap is confusing power redundancy with simple backup generators—remember that UPS systems provide immediate, seamless failover, while generators handle extended outages. For a memory tip, think "P.U.R.E.": Power redundancy, Uninterruptible supply, Reliable environment, and Essential cooling—all key to keeping the data center running.
PK0-005 Practice Question: Basics of IT Infrastructure and IT Project Management
This PK0-005 practice question tests your understanding of basics of it infrastructure and it project management. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO of the following are key considerations when designing an IT infrastructure for a new data center?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Redundant power supplies and UPS systems
Redundant power supplies and UPS systems are critical for ensuring high availability and fault tolerance in a data center. They protect against power outages, fluctuations, and hardware failures, maintaining uptime for critical IT services. This aligns with industry best practices for Tier II and above data center designs.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Open floor plan with no raised flooring
Why it's wrong here
Open floor plans are not typical; raised floors aid in cooling and cable management.
✓
Redundant power supplies and UPS systems
Why this is correct
Redundant power ensures continuous operation during outages.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use of low-cost, consumer-grade hardware
Why it's wrong here
Consumer-grade hardware lacks reliability and support for data center operations.
✓
Environmental controls for temperature and humidity
Why this is correct
Proper cooling and humidity control prevent hardware damage.
Related concept
Read the scenario before looking for a memorised answer.
✗
Single point of failure for critical systems
Why it's wrong here
Single points of failure should be eliminated for reliability.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse 'redundant power' with simply having a backup generator, but the exam tests the understanding that redundant power supplies and UPS systems are required for seamless failover, not just backup power.
Detailed technical explanation
How to think about this question
Environmental controls (temperature and humidity) are vital because servers generate significant heat; ASHRAE recommends a temperature range of 18-27°C and humidity between 20-80% to prevent condensation or electrostatic discharge. Redundant power typically involves an A/B feed architecture with automatic transfer switches (ATS) and N+1 UPS configuration to handle failover without interruption. Real-world scenarios, such as a utility power failure, demonstrate how dual power supplies and UPS systems keep critical loads online during generator startup.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the PK0-005 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Basics of IT Infrastructure and IT Project Management — This question tests Basics of IT Infrastructure and IT Project Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Redundant power supplies and UPS systems — Redundant power supplies and UPS systems are critical for ensuring high availability and fault tolerance in a data center. They protect against power outages, fluctuations, and hardware failures, maintaining uptime for critical IT services. This aligns with industry best practices for Tier II and above data center designs.
What should I do if I get this PK0-005 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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