VPN

Question 1

What is a VPN?

Answer 1

It allows secure communication between Google network and your external network

Question 2

What are the three components that you set up when setting up a VPN?

Answer 2

1. Gateway
2. Tunnels
3. Routing

Question 3

What do you set up in the Gateway section of VPN?

Answer 3

The GCP side of the VPN

1. Network
2. Region containing the network
3. static IP

Question 4

What do you set up in the tunnels section of the VPN?

Answer 4

The other (non GCP) endpoint of the VPN
Specify shared secret

Question 5

What routing options do you have when setting up a VPN?

Answer 5

1. Dynamic - uses BGP to learn routes in your network
2. Route Based - requires IP range of remote network
3. Policy Based - require remote IP ranges, local sub-networks and local IP ranges

Question 6

How do you create a VPN via the shell?

Answer 6

gcloud compute target-vpn-gateways create
gcloud compute forwarding-rules create
gcloud compute vpn-tunnels create