Free Cisco 200-901 Exam Questions

How do the processes used by the Agile methodology compare with the processes used by the Lean methodology?

A developer prepares a Python application to monitor network performance on specific applications. The developer tests the code on a test environment but requires more use cases and wants the scripts to be improved for different networks. Which resource must be used to take advantage of open-source communities and contributors for the application? 

Which response code family is returned when further action must be taken to complete the request? 

How are load balancers used in modern application deployments?  

A developer has experienced security issues with a previously developed application. The API offered by that application is open and without any constraints. During a recent attack, the application was overloaded with API requests. To address this issue, an API constraint is implemented to protect the application from future attacks or any sudden throttling. Which API constraint must the application developer implement in this situation?