Your company runs their internal services across two datacenters in a hot-warm configuration The back-end system for a new API runs in both data centers You want to implement a proxy that handles failover between these data centers What should you do?

Which policies can be used to create or modify a request message for a service callout?

Which policy can be used to see if a SOAP request matches a provided WSDL?

You have the following requirements for your API:
* Authenticate users.
* Identify applications.
* Log update events to StackDriver
* Enforce quotas based on Product configurations
* Alert when total API latency exceeds 500 milliseconds
Your Apigee Edge API proxy is currently implemented with the following Proxy Endpoint configuration

You have implemented an Apigee Edge API proxy that includes a new shared flow Before you release to production, you need to ensure all dependencies are readied What should you do?