PK0-005 Practice Question: Basics of IT Infrastructure and IT Project Management
An organization is deploying a new storage area network (SAN). Which of the following is a key consideration for ensuring high performance?
⚠ Common exam trap
It's easy for candidates to confuse storage capacity with performance, assuming more capacity means faster access, but the exam focuses on latency as the primary performance bottleneck in SAN deployments.
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
✓
Network latency
Network latency is a key consideration for SAN performance because SANs rely on low-latency, high-speed block-level storage protocols such as Fibre Channel (FC) or iSCSI. High latency can cause significant delays in I/O operations, directly impacting throughput and application responsiveness, especially in environments with synchronous replication or high transaction rates.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Network latency
Why this is correct
Low network latency is essential for high-speed data transfers in a SAN.
- ✗
Cable color
Why it's wrong here
Cable color has no impact on performance.
- ✗
Storage capacity
Why it's wrong here
Capacity determines how much data can be stored, not how fast it can be accessed.
- ✗
Number of users
Why it's wrong here
While user count affects demand, it is not a direct performance metric for the SAN itself.
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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.