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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