Design innovative, scalable, and highly available cloud database solutions →easyMultiple ChoiceObjective-mapped
PCDE Practice Question: Design innovative, scalable, and highly available cloud database solutions
A startup needs a fully managed relational database for their e-commerce platform with high availability, automatic failover, and read replicas. They expect moderate traffic and want to minimize operational overhead. Which Google Cloud service should they use?
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
✓
Cloud SQL
Cloud SQL offers fully managed MySQL, PostgreSQL, and SQL Server with high availability and read replicas. It is the best fit for moderate-traffic OLTP workloads.
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 SQL
Why this is correct
Cloud SQL provides managed relational databases with HA and replicas.
- ✗
Cloud Spanner
Why it's wrong here
Spanner is overkill for moderate traffic and more expensive.
- ✗
Firestore
Why it's wrong here
Firestore is a document database, not relational.
- ✗
Bigtable
Why it's wrong here
Bigtable is NoSQL, not relational.
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.