Quiz – Virtual Machines and Networks in the Cloud :Google Cloud Fundamentals: Core Infrastructure (Preparing for Google Cloud Certification: Cloud Architect Professional Certificate) Answers 2025
Question 1
In Google Cloud VPCs, what scope do subnets have?
❌ Zonal
❌ Multi-regional
✅ Regional
❌ Global
Explanation:
Google Cloud VPC subnets are regional, meaning they span all zones in a region.
Question 2
Main reason customers choose Preemptible VMs:
❌ Reduce cost on premium OS
❌ Use custom machine types
❌ Improve performance
✅ Reduce cost
Explanation:
Preemptible VMs offer huge cost savings (up to 80%), but can be terminated at any time.
Question 3
Which interconnect option has an SLA?
❌ Carrier Peering
❌ Standard Network Tier
❌ Direct Peering
✅ Dedicated Interconnect
Explanation:
SLA guarantees are provided only for Dedicated Interconnect, not peering options.
Question 4
How does global Cloud Load Balancing balance HTTP traffic?
❌ VMs in one region
❌ Across multiple Cloud services
❌ Physical machines in one data center
✅ Across multiple Compute Engine regions
Explanation:
Global HTTP(S) load balancers distribute traffic worldwide using Google’s global edge network.
Question 5
Which describes a Virtual Private Cloud (VPC)?
✅ A secure, individual, private cloud network hosted within a public cloud
❌ Direct private connections to Google
❌ Distributed service for traffic distribution
❌ Traffic routing through PoP
Explanation:
A VPC is a virtual private network inside Google Cloud with isolated resources.
🧾 Summary Table
| Q No. | Correct Answer | Key Concept |
|---|---|---|
| 1 | Regional | VPC subnet scope |
| 2 | Reduce cost | Preemptible VM purpose |
| 3 | Dedicated Interconnect | SLA availability |
| 4 | Across multiple regions | Global HTTP LB |
| 5 | Private virtual network | VPC definition |