Answer: 1. Communicate your intent to the incident team. 2. Perform a load analysis to determine if the remaining nodes can handle the increase in traffic offloaded from the removed node, and scale appropriately. 3. When any new nodes report healthy, drain traffic from the unhealthy node, and remove the unhealthy node from service., 1. Communicate your intent to the incident team. 2. Add a new node to the pool, and wait for the new node to report as healthy. 3. When traffic is being served on the new node, drain traffic from the unhealthy node, and remove the old node from service.

The correct approach to managing an incident with an unhealthy node in a load balancer pool, following Google-recommended practices, involves ensuring minimal impact on users and maintaining service availability. Option A is correct because it emphasizes the importance of communication with the incident team, assessing the capacity of remaining nodes to handle the increased load before removing the unhealthy node, and ensuring new nodes are healthy before draining traffic from the unhealthy node. This approach minimizes risk by ensuring the service can handle the traffic without the unhealthy node before removing it. Option B is also correct as it similarly prioritizes communication, adds a new node to ensure capacity before removing the unhealthy node, and ensures the new node is healthy before serving traffic, thus maintaining service availability and minimizing user impact. Both options A and B adhere to best practices by focusing on communication, capacity planning, and ensuring node health before making changes to the load balancer pool.

Author: LeetQuiz Editorial Team