PK0-005 Practice Question: Basics of IT Infrastructure and IT Project Management
During a server migration project, the team discovers that the new servers have a different CPU architecture than the old ones. The project manager must decide the best course of action. What should the project manager do first?
⚠ Common exam trap
Watch out — candidates often assume compatibility based on the same operating system or vendor, overlooking the critical dependency on CPU instruction set architecture (ISA) which directly impacts binary executables and system calls.
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
✓
Assess the impact on existing applications and plan remediation
The project manager must first assess the impact of the CPU architecture change on existing applications because different instruction sets (e.g., x86 vs. ARM) can cause binary incompatibility, requiring recompilation or emulation. Proceeding without this analysis risks application failures, data corruption, or performance degradation. This aligns with the PMBOK risk management process of identifying and analyzing risks before planning a response.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Proceed with migration as planned, assuming compatibility
Why it's wrong here
Assuming compatibility ignores that a different instruction set requires recompilation or emulation, so binaries may not execute at all. It is tempting because many migrations succeed without incident, and it would be correct where the architecture difference is confirmed to be backward-compatible and application testing has passed.
- ✓
Assess the impact on existing applications and plan remediation
Why this is correct
Differing CPU architecture can break binaries, dependencies and performance assumptions across the migrated workloads. Assessing which applications are affected and how, then planning remediation, must precede any migration decision, because the impact scope determines whether to recompile, replace or re-platform each system.
- ✗
Revert to the original server architecture
Why it's wrong here
Reverting architecture pre-empts analysis and may be impossible if the old hardware is decommissioned; the differing instruction set must first be assessed for compatibility. It is tempting because it appears to remove the risk, and it would be correct where the new platform is confirmed unusable and rollback is feasible.
- ✗
Delay the project to retrain staff on the new architecture
Why it's wrong here
Retraining staff addresses operational familiarity, not the binary and dependency incompatibilities created by a different instruction set. It is tempting because new platforms often demand upskilling, and it would be correct where the architecture is compatible and only operator proficiency is lacking.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.