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What are the benefits of creating indexes on PolarDB? (Number of correct answers: 2)
What are the benefits of creating indexes on PolarDB? (Number of correct answers: 2)A . Improve the query efficiency SELECT statements.B . Improve the efficiency of DML operations such as UPDATD . Improve the efficiency of DDL operations.E . Reduce invalid data scanning.View AnswerAnswer: A,D
Which of the following descriptions describes the (Security Token Service) STS service correctly? (Number of correct answers: 3)
Which of the following descriptions describes the (Security Token Service) STS service correctly? (Number of correct answers: 3)A . Through the STS service, RAM users or RAM roles can obtain a temporary token that allows them to call the Alibaba Cloud API or use the web consoleB . A STS...
What is one feature which DTS has but Redis-shake does not?
You can use Alibaba Cloud Data transmission service (DTS) or the open source tool Redis-shake to migrate and synchronize data from a local Redis instance to an Alibaba Cloud Redis instance. What is one feature which DTS has but Redis-shake does not?A . Full data migrationB . Incremental data migrationC...
Where should the team store these game results to best allow for consistent results without impacting performance?
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...
Which of the following service integration modes is not supported by Serverless Workflow?
Serverless Workflow allows you to orchestrate distributed tasks in sequence, branch, and parallel modes, and ensure that tasks are reliably coordinated according to your workflow logic. Which of the following service integration modes is not supported by Serverless Workflow?A . Request response modeB . Synchronization modeC . Asynchronous modeD ....
Which of the following resources must be created?
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)A . VhostB . ExchangeC . QueueD . BrokerE . TopicView AnswerAnswer: B,C,E
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)
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)A . When the website has low traffic, the CDN will receive fewer requests and this will result in a lower cache hit rate.B . Insufficient...
Which of these is a possible cause?
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?A . There is significant network delayB . The...
you have a Node.js based application and you plan to migrate it to Alibaba Cloud Function Compute, which of the following steps is unnecessary?
you have a Node.js based application and you plan to migrate it to Alibaba Cloud Function Compute, which of the following steps is unnecessary?A . Manually install the Node. Js package in the Function Compute consoleB . Create a single web application and upload the corresponding code package via the...
Which of the following service integration modes is not supported by Serverless Workflow?
Serverless Workflow allows you to orchestrate distributed tasks in sequence, branch, and parallel modes, and ensure that tasks are reliably coordinated according to your workflow logic. Which of the following service integration modes is not supported by Serverless Workflow?A . Request response modeB . Synchronization modeC . Asynchronous modeD ....
