- A
Mean time between failures (MTBF)
Why wrong: MTBF measures reliability, not recovery time.
- B
Recovery point objective (RPO)
Why wrong: RPO is also important, but RTO is typically the first metric defined for downtime tolerance.
- C
Mean time to repair (MTTR)
Why wrong: MTTR is a component of recovery but not the primary planning metric.
- D
Recovery time objective (RTO)
RTO sets the maximum acceptable outage duration, directly driving DR solution design.
Quick Answer
The answer is the Recovery Time Objective (RTO). This metric defines the maximum acceptable downtime after a disaster, directly dictating the speed of failover to the secondary data center when replication is in use. In a disaster recovery plan metric RTO replication context, the RTO determines whether synchronous or asynchronous replication is appropriate, as synchronous replication supports faster recovery but requires higher bandwidth. On the CompTIA Project+ PK0-005 exam, this tests your understanding that the project manager must prioritize business-driven timeframes over technical details like Recovery Point Objective (RPO), which measures data loss. A common trap is confusing RTO with RPO—remember that RTO is about time to restore operations, while RPO is about data age. For a quick memory tip: think “RTO = Return To Operations,” focusing on the clock, not the calendar.
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.
A team is implementing a disaster recovery plan that includes replication to a secondary data center. Which metric should the project manager prioritize defining in the DR plan?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Recovery time objective (RTO)
The Recovery Time Objective (RTO) defines the maximum acceptable downtime after a disaster, directly dictating the speed of failover to the secondary data center. In a replication-based DR plan, the RTO determines whether synchronous or asynchronous replication is used and how quickly systems must be brought online. The project manager must prioritize this metric to align recovery speed with business continuity requirements.
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.
- ✗
Mean time between failures (MTBF)
Why it's wrong here
MTBF measures reliability, not recovery time.
- ✗
Recovery point objective (RPO)
Why it's wrong here
RPO is also important, but RTO is typically the first metric defined for downtime tolerance.
- ✗
Mean time to repair (MTTR)
Why it's wrong here
MTTR is a component of recovery but not the primary planning metric.
- ✓
Recovery time objective (RTO)
Why this is correct
RTO sets the maximum acceptable outage duration, directly driving DR solution design.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing RTO (time to restore service) with RPO (acceptable data loss), leading candidates to pick RPO because replication inherently involves data synchronization, but the question specifically asks for the metric to prioritize in the DR plan regarding failover speed.
Detailed technical explanation
How to think about this question
RTO directly influences replication technology choices: a short RTO (e.g., minutes) often requires synchronous replication with protocols like SRDF/S or VMware vSphere Metro Storage Cluster, which can introduce latency but ensures near-instant failover. In contrast, a longer RTO (e.g., hours) allows asynchronous replication (e.g., using rsync or AWS S3 Cross-Region Replication), reducing bandwidth costs but risking some data loss. Real-world scenarios, such as financial trading systems, demand RTOs under 5 minutes, forcing investment in active-active configurations and automated orchestration tools like VMware Site Recovery Manager.
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.
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FAQ
Questions learners often ask
What does this PK0-005 question test?
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: Recovery time objective (RTO) — The Recovery Time Objective (RTO) defines the maximum acceptable downtime after a disaster, directly dictating the speed of failover to the secondary data center. In a replication-based DR plan, the RTO determines whether synchronous or asynchronous replication is used and how quickly systems must be brought online. The project manager must prioritize this metric to align recovery speed with business continuity requirements.
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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Last reviewed: Jun 24, 2026
This PK0-005 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PK0-005 exam.
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