Module 3: Monitoring Google Cloud Network

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In this post, I provide complete, accurate, and detailed explanations for the answers to Module 3: Monitoring Google Cloud Network of Course 13: Observability in Google Cloud – 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: Monitoring Google Cloud Network

Graded Assignment

1. What logs help you monitor a network by recording a portion of network flows sent and received by VM instances (including GKE nodes).?

  •  VPC Flow logs ✅
  • Firewall logs
  • Load balancer logs
  • Cloud NAT logs

Explanation:
VPC Flow Logs record information about the IP traffic going to and from VM instances and GKE nodes. They help with network monitoring, performance analytics, and security forensics.

2. What is one of the disadvantages of using packet mirroring?

  • Bandwidth consumption ✅
  • Increased Latency
  • Expensive
  • No Disaster Recovery

Explanation:
Packet Mirroring duplicates packets for inspection (e.g., security tools), which increases bandwidth usage and can affect performance. It is useful for deep packet inspection but comes at a cost in terms of resource overhead.

3. What lets you perform a live debugging of connections that are inadvertently dropped?

  • Firewall Rules Logging
  • Firewall Insights ✅
  • Load Balancer Logs
  • Cloud NAT logs

Explanation:
Firewall Insights provides data to troubleshoot dropped connections caused by firewall rules. It shows detailed info about the impact of firewall rules, helping you fix misconfigured or overly strict rules.

Related contents:

Module 2: Configuring Google Cloud Services for Observability
Module 4: Investigating Application Performance Issues
Module 5: Optimizing the Costs for Google Cloud Observability

You might also like:

Course 1: Preparing for Your Professional Cloud Security Engineer Journey
Course 2: Google Cloud Fundamentals: Core Infrastructure
Course 3: Networking in Google Cloud: Fundamentals
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 14: Hands-On Labs in Google Cloud for Security Engineers

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