PCNE Configuring Network Services Practice Question
A company uses Cloud CDN to cache content from a backend bucket. They want to ensure that only objects with a Cache-Control header indicating public cacheability are cached. Which cache mode should they select?
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
✓
USE_ORIGIN_HEADERS
USE_ORIGIN_HEADERS mode respects the origin's Cache-Control headers. Only objects with Cache-Control: public or similar will be cached.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
CACHE_ALL_STATIC
Why it's wrong here
CACHE_ALL_STATIC caches all static content regardless of origin headers.
- ✓
USE_ORIGIN_HEADERS
Why this is correct
This mode caches only if the origin's Cache-Control headers allow caching.
- ✗
None of the above
Why it's wrong here
USE_ORIGIN_HEADERS is the correct mode.
- ✗
FORCE_CACHE_ALL
Why it's wrong here
FORCE_CACHE_ALL caches everything, overriding origin headers.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCNE 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 PCNE exam.