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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 method can be done to meet these requirements?
A mobile application developer intends to use Alibaba Cloud Object Storage Service (OSS) to store the end user data for their app, and to ensure data isolation between each user of the app, to prevent one user from obtaining another's data. Which method can be done to meet these requirements?A...
Which method can be done to meet these requirements?
A mobile application developer intends to use Alibaba Cloud Object Storage Service (OSS) to store the end user data for their app, and to ensure data isolation between each user of the app, to prevent one user from obtaining another's data. Which method can be done to meet these requirements?A...
Which of the following options is not included in Object Storage Service (OSS) object URLs?
Which of the following options is not included in Object Storage Service (OSS) object URLs?A . Region nameB . Zone nameC . Bucket nameD . FilenameView AnswerAnswer: A
Which of these is NOT a correct description of the monitoring event types supported by CloudMonitor?
CloudMonitor's "Event Monitoring" feature provides you with event reporting, query, and alarm functions, Score 2 so that you can collect metrics on your running Alibaba Cloud systems, and receive alerts when something goes wrong. Which of these is NOT a correct description of the monitoring event types supported by CloudMonitor?A...
What are the advantages of using Elastic Container Instance (ECI) to deploy applications compared with using ECS? (Number of correct answers; 2)
What are the advantages of using Elastic Container Instance (ECI) to deploy applications compared with using ECS? (Number of correct answers; 2)A . Low maintenance, low costsB . Startup in seconds without the need to reserve resourcesC . Less significant visualization layer performance lossesD . Stronger isolation between instancesView AnswerAnswer:...
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
To meet data analytics requirements on large datasets, which of these databases can meet the demand for structured and semi-structured storage for almost all types of data, albeit with limited support for strong transactions?
To meet data analytics requirements on large datasets, which of these databases can meet the demand for structured and semi-structured storage for almost all types of data, albeit with limited support for strong transactions?A . HBaseB . OceanBaseC . RDSMariaDBD . TSDBView AnswerAnswer: C
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 method can be done to meet these requirements?
A mobile application developer intends to use Alibaba Cloud Object Storage Service (OSS) to store the end user data for their app, and to ensure data isolation between each user of the app, to prevent one user from obtaining another's data. Which method can be done to meet these requirements?A...
