advancedDeployment & Operations

After a blue-green deployment, old instances are still serving some traffic. What would cause this and how do you fix it?

Tests whether you know to check load balancer deregistration delay, DNS caching, and connection draining settings.

This is a Pro question

Sign in, then upgrade to Pro or Power to unlock this question and the full Interview Prep bank.

After a blue-green deployment, old instances are still serving some traffic. What would cause this and how do you fix it?

Next Step

Continue to How does JWT validation work in a Spring Security microservice? What are common JWT attack vectors like alg=none and key confusion?← Back to all Company Round Scenarios questions