In order to have your applications interact with Alibaba Cloud RabbitMQ, you need to create related MQ resources first. Which of the following resources must be created? (Number of correct answers: 3)
If a user finds that the Content Delivery Network (CDN) cache hit rate is low, what could be the reason? (Number of correct answers: 3)
Which of the following statements describe the trace/D and spanID in a service tracking system (such as Zipkin) correctly? (Number of correct answers: 3)
A game company is developing a game application for the Apple and Android platforms. Currently, this application stores user data (as flat files) securely on the local storage of a user's device. The game company wants to provide a new feature that allows customers to play the same game on different devices, which requires synchronizing user data between different devices. Which of the following cloud services supports this requirement without creating a new back-end application?
Which of the following options correctly describes CloudMonitor Custom Monitoring and Custom Events? (Number of correct answers; 2)
Which of the following are types of backend services that API Gateway supports? (Number of correct answers: 3)
Assume that a company uses ApsaraDB for PolarDB. The company commonly queries users based on their basic information, including: addresses, company names, and ID numbers. In this scenario, what is the best practice for creating a database index (or indexes)?
A development team currently supports an application that is designed to be deployed on a single server's local memory As part of migrating to Alibaba Cloud, the team needs to use Auto Scaling, and must therefore move their game state data off of their servers, so that they can automatically scale up and down without losing game data. Where should the team store these game results to best allow for consistent results without impacting performance?
A developer is writing logs through the Log Service API, and can see via the Logstore monitorin metrics that write traffic is about 10 MB/s, but a 403 error is reported during the writing process. Which of these is a possible cause?
You can create an event notification rule in Message Service and push notifications to the specified consumer in the form of messages, to receive events from specified Alibaba Cloud resources. Which of the following options are correct statements about the Message Service (MS) service? (Number of correct answers: 2)
Which of the following is NOT required for SMC (Server Migration Center) to migrate a server to Alibaba Cloud?