Windows and Linux troubleshooting questions

Give an example of a time where you had to troubleshoot Windows Slowness and Windows process ? What tools were used? (Use the STAR question format)
How would you troubleshoot and issue with a Linux application? Walk through the steps, commands, etc.?
How will you stop a DDoS attack?
How do you perform an upgrade of a load balanced web application with minimal customer impact?
How you share session if you have application in two different regions?
How will you measure the latency and find out the performance lag?
If you are using the IoT application, then how will you be distributing certificates to all the devices?
You have a 2-tier web app with multiple web servers, a load balancer, and a database server. Customer says all web-pages have been loading slow for the past 1

month. What would you do to identify the problem?

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