Which of the following options are the challenges facing the microservice architecture? (Multiple choice)

Application Orchestration Service (AOS) can complete application resource orchestration and application design.

Threshold alarms detect the upper and lower limits set by the indicators defined in the threshold rules. If the trigger conditions are met, an alarm message will be sent and a custom action will be executed. The current alarms on HUAWEI CLOUD can be notified to the operation and maintenance staff through which channels? (Multiple Choice)

In the era of digital transformation, if an enterprise wants to deliver software continuously and quickly, which of the following aspects must be taken to improve the DevOps capability of the enterprise? (Multiple choice)

Which of the following contents cannot be restored through the database recycle bin for HUAWEI CLOUD tenants?