PCDE Practice Question: Manage a solution that can span multiple database technologies
A Cloud Bigtable instance has a hot spot causing performance degradation. Which tool helps identify the hot spot?
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
✓
Key Visualizer
Key Visualizer is a built-in Bigtable tool that visualizes access patterns and helps identify hot spots (uneven load across row keys).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cloud Monitoring dashboard
Why it's wrong here
Cloud Monitoring shows metrics but not row-key level hot spot analysis.
- ✗
Cloud Logging
Why it's wrong here
Logging provides audit logs, not performance analysis.
- ✓
Key Visualizer
Why this is correct
Key Visualizer is specifically designed to analyze access distribution and detect hot spots.
- ✗
Bigtable Admin API
Why it's wrong here
Admin API is for management, not hot spot detection.
Go deeper
Related to this question
About these practice questions
Courseiva writes every PCDE question from scratch — 1,446 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCDE practice question is part of Courseiva's free Google Cloud 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 PCDE exam.