GCP Structure and Network

Question 1

GCP Resource Types

Answer 1

Global

|_ Multi-Region

|_ Region

|_ Zone

Question 2

What is a is an independent geographic area that consists of Zones referred to as?

Answer 2

Region

Question 3

Regions

Answer 3

• Consist of Zones
• Tend to have round-trip network latency under 5 milliseconds on the 95th percentile

Question 4

What is a deployment area for Google Cloud Platform resources within a region

Answer 4

A Zone

Question 5

What is a Zone?

Answer 5

• A zone is a deployment area for Google Cloud Platform resources within a region
• A zone as a single failure domain within a region

Question 6

Describe Zonal Resources

Answer 6

• Zonal resources operate within a single zone
• If a zone becomes unavailable, all of the zonal resources in that zone are unavailable until service is restored.

Question 7

Describe Regional Resources

Question 8

Describe Multi-regional Resources

Answer 8

• Some Google Cloud Platform services are redundant and distributed within and across regions.
• Multi-regional resources require a reduction in either latency or consistency
• Multi-regional services:
  
  • Google App Engine and its features
  • Google Cloud Datastore
  • Google Cloud Storage
  • Google BigQuery

Question 9

What are PoPs?

Answer 9

• These are Googles points of presence
• This is where Google’s network is connected to the rest of the internet

Question 10

What is a Virtual Private Cloud (VPC)

Answer 10

• A VPC is a Global resource
• VPC is a comprehensive set of Google-managed networking objects
• VPC provides IP addresses for internal and external use, along with granular IP address range selections
• Provides networking functionality to Compute Engine, Google Kubernetes Engine (GKE), and App Engine - as well as for any other Google Cloud resources built on Compute Engine
• Provides various network related services (load balancing/VPN/firewall)

Question 11

GCP Projects

Answer 11

A Project in GCP is a collection of resources

Question 12

Describe Subnets in GCP

Answer 12

• Subnetworks allow you to divide or segregate your environment
• Subnetworks cross all zones in a region
• A subnet is simply an IP Address range

Question 13

What are the 5 means of connecting on premise networks with your GCP instance?

Answer 13

Layer 3

• Direct Peering
• Carrier Peering
• VPN

Layer 2

• Direct interconnect
• Partner interconnect