Google Cloud Professional Cloud Network Engineer PCNE — Topic 1 Question 54

Question

Your company has just launched a new critical revenue-generating web application. You deployed the application for scalability using managed instance groups, autoscaling, and a network load balancer as frontend. One day, you notice severe bursty traffic that the caused autoscaling to reach the maximum number of instances, and users of your application cannot complete transactions. After an investigation, you think it as a DDOS attack. You want to quickly restore user access to your application and allow successful transactions while minimizing cost. Which two steps should you take? (Choose two.)

Accepted Answer

Correct answer: A, C. The correct answer is A, C. Option A: Use Cloud Armor to blacklist the attacker's IP addresses. Option C: Create a global HTTP(s) load balancer and move your application backend to this load balancer. A load balancer distributes traffic across healthy backends in multiple zones for availability and scale. Cloud Armor protects applications from DDoS and common web attacks with WAF rules.

Google Cloud Professional Cloud Network Engineer PCNE — Question 54