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GCDL Practice Question: A company's production database is running on a…
This GCDL practice question tests your understanding of a company's production database is running on a…. 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 company's production database is running on a Compute Engine VM with a 500 GB Persistent Disk. The operations team wants to create a backup they can restore from in case of data corruption or accidental deletion. Which Google Cloud capability provides point-in-time backup for Persistent Disks?
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
Best answer
Persistent Disk Snapshots, which capture the disk state at a point in time and enable restoration or creation of new disks from that snapshot
Persistent Disk Snapshots are the correct mechanism. They capture a consistent point-in-time image of the disk (application-consistent when used with snapshot agent or after flushing I/O). Snapshots are stored in Cloud Storage, incremental after the first snapshot, and can be used to create a new disk or restore data.
B
Distractor review
Cloud SQL automated backups, which protect databases running on Compute Engine VMs
Cloud SQL automated backups protect Cloud SQL managed databases. A PostgreSQL or MySQL database running on a Compute Engine VM is not managed by Cloud SQL and doesn't benefit from Cloud SQL's backup mechanism.
C
Distractor review
VM live migration, which moves the running VM between physical hosts, automatically creating a backup in the process
Live migration moves a VM between physical hosts for maintenance purposes without downtime. It doesn't create disk backups or snapshots.
D
Distractor review
Cloud Storage bucket replication, by continuously copying the database files to a storage bucket
Replication of database files at the storage layer while the database is running would capture inconsistent data (database files are modified in-place during operation). Proper database backup requires either application-consistent snapshots or database-level backup tools.
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
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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?
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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: Persistent Disk Snapshots, which capture the disk state at a point in time and enable restoration or creation of new disks from that snapshot — Persistent Disk Snapshots capture the state of a disk at a specific point in time. Snapshots are stored in Cloud Storage and can be used to create new disks or restore data. They support incremental snapshots (only changed blocks after the first snapshot) for efficiency and can be automated with snapshot schedules.
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.
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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.