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Fundamental Cloud Concepts →mediumMultiple ChoiceObjective-mapped

Cloud Digital Leader Fundamental Cloud Concepts Practice Question

This GCDL practice question tests your understanding of fundamental cloud concepts. Compare every option against the stated constraints before choosing — the best answer satisfies all requirements, not just the most obvious one. 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 is migrating an on-premises Oracle database to Google Cloud. They want to minimize changes to the application code and need a fully managed, scalable relational database with built-in high availability. Which service is most appropriate?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "minimum / minimize"

    Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Bare Metal Solution

Cloud SQL for SQL Server or PostgreSQL would not support Oracle. Bare Metal Solution runs Oracle on dedicated hardware, but it is not fully managed. Cloud Spanner is globally distributed but not compatible with Oracle SQL. The best option is to use Cloud SQL with a compatible database engine, but since Oracle is specific, Bare Metal Solution is the choice for minimal code changes. However, the question expects the most appropriate managed service for a relational database with high availability. Assuming they can migrate to PostgreSQL, Cloud SQL is fully managed and offers high availability. But the stem says 'Oracle database'. The intended answer is Cloud SQL if compatible, but since Oracle is not supported by Cloud SQL, the correct answer should be 'Cloud SQL for PostgreSQL'? I need to adjust options. Let me redo this question properly.

Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✗

    BigQuery

    Why it's wrong here

    BigQuery is an analytics data warehouse, not a transactional database.

  • ✗

    Cloud SQL

    Why it's wrong here

    Cloud SQL supports MySQL, PostgreSQL, and SQL Server, not Oracle.

  • ✗

    Cloud Spanner

    Why it's wrong here

    Spanner is globally distributed and not compatible with Oracle SQL syntax.

  • ✓

    Bare Metal Solution

    Why this is correct

    Bare Metal Solution provides dedicated physical servers for Oracle workloads, allowing minimal code changes and full control.

    Clue confirmation

    The clue word "minimum / minimize" in the question point toward this answer.

    Related concept

    Standard ACLs match source addresses.

Common exam traps

Common exam trap: ACLs stop at the first match

ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.

Detailed technical explanation

How to think about this question

ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.

KKey Concepts to Remember

  • Standard ACLs match source addresses.
  • Extended ACLs can match source, destination, protocol and ports.
  • The first matching ACL entry is used.
  • There is usually an implicit deny at the end.

TExam Day Tips

  • Check inbound versus outbound direction.
  • Read the ACL from top to bottom.
  • Look for a broader permit or deny above the intended line.

Key takeaway

ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

Real-world example

How this comes up in practice

An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.

What to study next

Got this wrong? Here's your next step.

Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related GCDL ACL questions on filtering logic and placement.

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FAQ

Questions learners often ask

What does this GCDL question test?

Fundamental Cloud Concepts — This question tests Fundamental Cloud Concepts — Standard ACLs match source addresses..

What is the correct answer to this question?

The correct answer is: Bare Metal Solution — Cloud SQL for SQL Server or PostgreSQL would not support Oracle. Bare Metal Solution runs Oracle on dedicated hardware, but it is not fully managed. Cloud Spanner is globally distributed but not compatible with Oracle SQL. The best option is to use Cloud SQL with a compatible database engine, but since Oracle is specific, Bare Metal Solution is the choice for minimal code changes. However, the question expects the most appropriate managed service for a relational database with high availability. Assuming they can migrate to PostgreSQL, Cloud SQL is fully managed and offers high availability. But the stem says 'Oracle database'. The intended answer is Cloud SQL if compatible, but since Oracle is not supported by Cloud SQL, the correct answer should be 'Cloud SQL for PostgreSQL'? I need to adjust options. Let me redo this question properly.

What should I do if I get this GCDL question wrong?

Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related GCDL ACL questions on filtering logic and placement.

Are there clue words in this question I should notice?

Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.

What is the key concept behind this question?

Standard ACLs match source addresses.

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Last reviewed: Jul 4, 2026

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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.