Google PCA Practice Question: Analysing and Optimising Technical and Business Processes
A team wants to provide a consistent, low-latency experience for global users accessing static content (images, CSS, JS) hosted on Cloud Storage. They also need to be able to invalidate cached content quickly when updates occur. Which 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 CDN
Cloud CDN caches content at edge locations for low latency. Cache invalidation allows purging updated content, which is essential for static assets.
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 NAT
Why it's wrong here
Cloud NAT provides outbound connectivity, not caching.
- ✗
Cloud Load Balancing with backend bucket
Why it's wrong here
Load balancing alone does not provide caching; Cloud CDN is needed.
- ✗
Cloud Storage transfer service
Why it's wrong here
Transfer service is for moving data, not caching.
- ✓
Cloud CDN
Why this is correct
Cloud CDN caches static content globally and supports cache invalidation via the console or CLI.
Go deeper
Related to this question
Learn chapter
Introduction to Google Cloud Platform
Key term
Cloud CDN
A Cloud CDN is a network of servers spread around the world that stores copies of your website or app content so it loads faster for users no matter where they are.
Key term
Cloud storage
Cloud storage is a service that lets you save data on remote servers accessed over the internet instead of on your computer's hard drive.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCA 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 PCA exam.