Question 1

What is the purpose of Virtual Private Networking (VPN)?

🟩 To enable a secure communication method (a tunnel) to connect two trusted environments through an untrusted environment, such as the Internet.
❌ The main purpose is to encrypt data for storage
❌ VPNs are also called ACLs
❌ It is a method to detect intruders

Explanation:

A VPN creates an encrypted tunnel allowing two trusted networks to communicate securely over an untrusted network like the internet.

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Question 2

Which Google Cloud Interconnect service requires a connection in a Google colocation facility and provides 10 Gbps per link?

🟩 Dedicated Interconnect
❌ Carrier Peering
❌ Cloud VPN
❌ Direct Peering
❌ Partner Interconnect

Explanation:

Dedicated Interconnect provides private, high-bandwidth (10 Gbps or 100 Gbps) connections inside a Google colocation facility.

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Question 3

If you cannot meet Google’s peering requirements, which service should you choose to connect to Google Workspace and YouTube?

🟩 Carrier Peering
❌ Direct Peering
❌ Partner Interconnect
❌ Dedicated Interconnect

Explanation:

Carrier Peering allows you to connect to Google public services (Workspace, YouTube, etc.) even if you don’t meet strict peering requirements.

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Question 4

Which approach to multi-project networking uses a centralized network administration model?

🟩 Shared VPC
❌ VPC Network Peering
❌ Cloud VPN

Explanation:

Shared VPC centralizes network management in one host project while other service projects share the network.

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🧾 Summary Table

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