Question 1easymultiple choice
Full question →Question 31 of 300
easymultiple choiceObjective-mapped
GCDL Practice Question: A software team is using Google Cloud and wants…
This GCDL practice question tests your understanding of a software team is using google cloud and wants…. 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.
A software team is using Google Cloud and wants to understand the difference between 'scaling up' (vertical scaling) and 'scaling out' (horizontal scaling) for their web application. Which description correctly distinguishes these two approaches?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Scaling up adds more servers to handle increased load; scaling out makes each server more powerful by adding CPU and RAM
This reverses the definitions. Scaling up = making one server bigger (more CPU/RAM). Scaling out = adding more servers.
B
Best answer
Vertical scaling (scaling up) increases the resources of an individual server (more CPU, RAM), while horizontal scaling (scaling out) adds more servers to distribute load — horizontal scaling is generally preferred in cloud environments for its flexibility and lack of a ceiling
This correctly defines both approaches and notes the cloud preference for horizontal scaling. Cloud autoscaling is built on horizontal scale — adding identical instances behind a load balancer. Vertical scaling is limited by maximum available machine sizes and often requires downtime for resize.
C
Distractor review
Both scaling up and scaling out describe the same approach — adding more cloud resources to handle increased demand
They are distinct approaches with different mechanics, trade-offs, and appropriate use cases. Understanding the difference is fundamental to cloud architecture.
D
Distractor review
Scaling up is only possible in cloud environments; on-premises systems can only scale out
Both scaling approaches exist on-premises (you can add servers or upgrade a server). The distinction between the approaches is not cloud vs. on-premises.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
Related practice questions
Related GCDL practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A traditional retailer currently maintains its own data centers, purchasing servers every 3–5 years and paying for facilities, power, and staff regardless of demand. When it migrates its workloads to the public cloud, which change in cost model does it experience?
Question 2
An e-commerce company plans its infrastructure for peak shopping events (e.g., Black Friday) which drive 50× normal traffic. On-premises, they must maintain 50× capacity year-round. In the cloud, they provision 50× capacity only during peak periods. Which cloud characteristic enables this cost optimization?
Question 3
Which term describes the process by which organizations integrate digital technology into all areas of their business, fundamentally changing how they operate and deliver value to customers?
Question 4
When a company moves from maintaining its own data center to using Google Cloud, which operational responsibility does Google assume that the company previously managed?
Question 5
A hospital runs a patient records system that must remain on-premises due to strict regulatory data residency requirements. However, they also want to use cloud-based AI for diagnostic imaging analysis. Which cloud deployment model best describes their architecture?
Question 6
What is virtualization in the context of cloud computing, and why is it fundamental to how cloud providers deliver services?
Practice this exam
Start a free GCDL practice session
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Questions learners often ask
What does this GCDL question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Vertical scaling (scaling up) increases the resources of an individual server (more CPU, RAM), while horizontal scaling (scaling out) adds more servers to distribute load — horizontal scaling is generally preferred in cloud environments for its flexibility and lack of a ceiling — Vertical scaling (scaling up) adds more resources to a single server — larger CPU, more RAM, faster disk. It has a physical ceiling (maximum machine size) and typically requires downtime to change instance type. Horizontal scaling (scaling out) adds more servers to distribute load. It has no theoretical ceiling and can be done without downtime by adding instances to a load balancer pool. Cloud favors horizontal scaling through instance groups and autoscaling.
What should I do if I get this GCDL question wrong?
Identify which GCDL exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Discussion
Loading comments…
Sign in to join the discussion.
This GCDL 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 GCDL exam.