Cloud Digital Leader Scaling with Google Cloud operations Practice Question
This GCDL practice question tests your understanding of scaling with google cloud operations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which THREE components should a company include in their architecture to design a global web application with low latency for users worldwide?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Cloud CDN.
A Cloud CDN caches content at edge locations worldwide, reducing latency by serving users from a nearby point of presence (PoP). This is essential for a global web application because it minimizes the round-trip time for static and dynamic content, directly addressing the requirement for low latency across geographically distributed users.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 CDN.
Why this is correct
Cloud CDN caches content at edge locations worldwide, reducing latency for users.
Related concept
Read the scenario before looking for a memorised answer.
✓
Anycast IP addressing.
Why this is correct
Anycast IP allows multiple locations to share the same IP, routing users to the closest location.
Related concept
Read the scenario before looking for a memorised answer.
✓
External HTTP(S) Load Balancer.
Why this is correct
Global external HTTP(S) load balancer provides a single anycast IP and routes traffic to the nearest backend.
Related concept
Read the scenario before looking for a memorised answer.
✗
Backend buckets for static content.
Why it's wrong here
Backend buckets store static content but need CDN to achieve global low latency; alone they are regional.
✗
Regional internal load balancer.
Why it's wrong here
Regional load balancers are for traffic within a single region, not for global reach.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse backend buckets as a global latency solution, but they are merely a storage backend that must be paired with a CDN or load balancer to achieve low latency worldwide.
Detailed technical explanation
How to think about this question
Cloud CDN leverages Google's global edge network, which uses Anycast IPs to route users to the nearest edge cache. When a cache miss occurs, the CDN fetches content from the origin (e.g., an external HTTPSload balancer) and caches it at the edge, reducing subsequent latency. In a real-world scenario, a company serving a live event globally would see significantly lower time-to-first-byte (TTFB) for users in remote regions due to edge caching.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this GCDL question in full detail.
Scaling with Google Cloud operations — This question tests Scaling with Google Cloud operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cloud CDN. — A Cloud CDN caches content at edge locations worldwide, reducing latency by serving users from a nearby point of presence (PoP). This is essential for a global web application because it minimizes the round-trip time for static and dynamic content, directly addressing the requirement for low latency across geographically distributed users.
What should I do if I get this GCDL question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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