Cloud Digital Leader Why cloud technology is transforming business Practice Question
This GCDL practice question tests your understanding of why cloud technology is transforming business. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Exhibit
Refer to the exhibit. The following IAM policy is attached to a Cloud Storage bucket:
{
"bindings": [
{
"role": "roles/storage.objectViewer",
"members": ["user:alice@example.com"]
},
{
"role": "roles/storage.objectCreator",
"members": ["group:devs@example.com"]
}
]
}
What access does Alice have to the Cloud Storage bucket?
Refer to the exhibit. The following IAM policy is attached to a Cloud Storage bucket:
{
"bindings": [
{
"role": "roles/storage.objectViewer",
"members": ["user:alice@example.com"]
},
{
"role": "roles/storage.objectCreator",
"members": ["group:devs@example.com"]
}
]
}
A
Write objects only
Why wrong: Writing requires objectCreator, which is not assigned to Alice.
B
Full control
Why wrong: Full control requires objectAdmin role.
C
Read objects only
objectViewer permission allows listing and reading objects.
D
Read and write objects
Why wrong: Alice does not have the objectCreator or objectAdmin role.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Read objects only
Option C is correct because the scenario describes Alice having read-only access to the Cloud Storage bucket. This is typically granted via IAM roles like 'roles/storage.objectViewer' in Google Cloud, which allows listing and reading objects but not writing or deleting them. The question implies that Alice can only view or download objects, not modify or upload them.
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.
✗
Write objects only
Why it's wrong here
Writing requires objectCreator, which is not assigned to Alice.
✗
Full control
Why it's wrong here
Full control requires objectAdmin role.
✓
Read objects only
Why this is correct
objectViewer permission allows listing and reading objects.
Related concept
Read the scenario before looking for a memorised answer.
✗
Read and write objects
Why it's wrong here
Alice does not have the objectCreator or objectAdmin role.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that 'read-only' access implies the ability to list bucket contents but not download objects, whereas in Cloud Storage, read access includes both listing and downloading objects via the storage.objects.get permission.
Detailed technical explanation
How to think about this question
In Google Cloud Storage, access control is managed via IAM roles or ACLs. The 'roles/storage.objectViewer' role grants permissions for storage.objects.get and storage.objects.list, enabling read-only access. Write access requires roles like 'roles/storage.objectCreator' or 'roles/storage.objectAdmin', which include storage.objects.create. A common subtlety is that bucket-level IAM roles do not automatically grant object-level permissions unless explicitly assigned, and ACLs can override IAM for individual objects.
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.
Why cloud technology is transforming business — This question tests Why cloud technology is transforming business — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Read objects only — Option C is correct because the scenario describes Alice having read-only access to the Cloud Storage bucket. This is typically granted via IAM roles like 'roles/storage.objectViewer' in Google Cloud, which allows listing and reading objects but not writing or deleting them. The question implies that Alice can only view or download objects, not modify or upload them.
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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