Module 2: VPC Networking Fundamentals

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In this post, I provide complete, accurate, and detailed explanations for the answers to Module 2: VPC Networking Fundamentals of Course 3: Networking in Google Cloud: Fundamentals – Preparing for Google Cloud Certification: Cloud Security Engineer Professional Certificate.

Whether you’re preparing for quizzes or brushing up on your knowledge, these insights will help you master the concepts effectively. Let’s dive into the correct answers and detailed explanations for each question!

Quiz 1

Graded Assignment

1. You are designing a virtual machine in the cloud to act as a network gateway between an external public network and a private internal network. To ensure strong security and traffic separation, what technology can you implement?

  • Cloud VPN
  • VLAN tagging within a single NIC
  • Multiple Network Interface Cards (NICs) ✅
  • Premium Tier IPs

Explanation:

  • Using multiple NICs allows a VM to have separate interfaces for external (public) and internal (private) networks.
  • This separation enhances security by isolating traffic types and implementing firewall rules, routing policies, and access controls independently on each interface.

2. You want to lower cloud networking cost and have no problem leveraging the public internet for cross-region traffic. Which network service tier is best for you?

  • Premium tier
  • Standard tier ✅
  • Pro version
  • Prime tier

Explanation:

  • The Standard tier uses the public internet for routing, making it a more affordable option.
  • It’s ideal when cost-saving is prioritized and performance/security requirements are minimal.

3. You want to improve network performance. You are not comfortable using the public internet to route traffic. Which service tier is the best fit?

  • Premium tier ✅
  • Standard tier
  • Pro version
  • Prime tier

Explanation:

  • The Premium tier leverages Google’s high-speed, private global network.
  • It ensures low-latency, reliable performance and avoids public internet hops, aligning with your performance and privacy concerns.

Related contents:

Module 3: Sharing VPC Networks
Module 4: Network Monitoring and Logging

You might also like:

Course 1: Preparing for Your Professional Cloud Security Engineer Journey
Course 2: Google Cloud Fundamentals: Core Infrastructure
Course 4: Networking in Google Cloud: Routing and Addressing
Course 5: Networking in Google Cloud: Network Architecture
Course 6: Networking in Google Cloud: Network Security
Course 7: Networking in Google Cloud: Load Balancing
Course 8: Networking in Google Cloud: Hybrid and Multicloud
Course 9: Managing Security in Google Cloud
Course 10: Security Best Practices in Google Cloud
Course 11: Mitigating Security Vulnerabilities on Google Cloud
Course 12: Logging and Monitoring in Google Cloud
Course 13: Observability in Google Cloud
Course 14: Hands-On Labs in Google Cloud for Security Engineers

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