Google PCA Practice Question: Analyze and optimize technical and business processes
This PCA practice question tests your understanding of analyze and optimize technical and business processes. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Refer to the exhibit. A team wants to grant the ability to run queries (but not modify) on BigQuery datasets to a new set of users who have email addresses in the 'example.com' domain. What is the simplest way to achieve this?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
No action needed; new users with 'example.com' accounts already have the dataViewer role through the existing domain membership
Option A is correct because the exhibit shows an existing IAM policy binding that grants the 'roles/bigquery.dataViewer' role to 'domain:example.com'. IAM domain-based bindings automatically apply to all authenticated users with email addresses in that domain. When new users with 'example.com' accounts are added, they inherit this role without any additional configuration, as IAM evaluates domain membership at access time.
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.
✓
No action needed; new users with 'example.com' accounts already have the dataViewer role through the existing domain membership
Why this is correct
The domain binding automatically grants access to all users in that domain.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a new binding with role 'roles/bigquery.dataViewer' and include the new users as members
Why it's wrong here
This duplicates the existing domain binding and is redundant.
✗
Remove the domain binding and only grant access to individual users
Why it's wrong here
This increases management overhead and is not simpler.
✗
Add the new users to the existing 'domain:example.com' member list
Why it's wrong here
The domain already includes all users; adding individuals is unnecessary.
Common exam traps
Common exam trap: answer the scenario, not the keyword
A common misconception is that new users in a domain need to be manually added to the IAM policy. In Google Cloud, domain-based IAM bindings automatically grant access to all current and future members of the domain, making additional bindings or user additions unnecessary.
Detailed technical explanation
How to think about this question
IAM domain-based bindings use the 'domain:DOMAIN_NAME' principal, which leverages Google Workspace or Cloud Identity to authenticate users. When a user in the domain attempts to access BigQuery, IAM evaluates the binding and grants the role if the user's email domain matches. This is more scalable than individual user bindings and avoids the need to update IAM policies as users join or leave the domain. Under the hood, IAM checks the user's OAuth token for the 'hd' (hosted domain) claim to verify domain membership.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this PCA question in full detail.
Analyze and optimize technical and business processes — This question tests Analyze and optimize technical and business processes — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: No action needed; new users with 'example.com' accounts already have the dataViewer role through the existing domain membership — Option A is correct because the exhibit shows an existing IAM policy binding that grants the 'roles/bigquery.dataViewer' role to 'domain:example.com'. IAM domain-based bindings automatically apply to all authenticated users with email addresses in that domain. When new users with 'example.com' accounts are added, they inherit this role without any additional configuration, as IAM evaluates domain membership at access time.
What should I do if I get this PCA 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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