---

1. Question 1

Centralized hub formed by finance, tech & business teams:

• ❌ Competency center

• ✅ Center of excellence

• ❌ Hub center

• ❌ Center of innovation

Explanation:
A Center of Excellence (CoE) is a cross-functional hub for shared expertise and strategy.

---

2. Question 2

Tool to estimate cost impact of usage changes:

• ❌ Cloud Billing

• ✅ Google Cloud Pricing Calculator

• ❌ Cloud Monitoring

• ❌ Cloud Trace

Explanation:
The Pricing Calculator lets you predict and model cloud cost changes.

---

3. Question 3

Lowest level of Google Cloud resource hierarchy:

• ❌ Folders

• ❌ Organization node

• ❌ Projects

• ✅ Resources

Explanation:
Individual resources (VMs, buckets, databases) sit at the bottom of the hierarchy.

---

4. Question 4

Why inheritance & propagation are beneficial:

• ❌ Reduces cloud cost

• ✅ Permissions at higher levels are inherited by lower-level resources

• ❌ Improves performance

• ❌ Simplifies migration

Explanation:
Hierarchy inheritance reduces administrative overhead and enforces consistent access control.

---

5. Question 5

Feature that sets limits on resource usage:

• ✅ Quota policies

• ❌ Committed use discounts

• ❌ Billing reports

• ❌ Invoicing limits

Explanation:
Quotas limit how much of a resource a project or user can consume.

---

6. Question 6

Feature to set alerts when cost exceeds a limit:

• ✅ Budget threshold rules

• ❌ Cost optimization recommendations

• ❌ Billing reports

• ❌ Cost forecasting

Explanation:
Budget alerts notify you when spending crosses set thresholds.

---

7. Question 7

Reactive method to track what you’ve already spent & optimize costs:

• ❌ Cost forecasting

• ❌ Resource usage

• ✅ Cloud billing reports

• ❌ Pricing calculator

Explanation:
Billing reports show actual spending and help identify optimization opportunities.

---

🧾 Summary Table

---