ACA-Database

Which of the following is NOT true, regarding the sensitive data management feature provided by Data Management (DMS)?A . The rules of field metadata and data content can be automatically recognized.B . De-identification algorithms can be managed. Multiple algorithms are supported, such as algorithms for masking specific positions and replacing...

Why is ApsaraDB for PolarDB better than other traditional database engines? (The number of answer: 3)A . When you purchase a PolarDB cluster, you don't need to specify the storage capacity you want to purchaseB . PolarDB supports both OLTP and OLAP scenarios very wellC . The PolarDB database engine...

Which database utility is good for database management and DevOps?A . DMSB . DBSC . DTSD . DASE . ADAMView AnswerAnswer: A Explanation: Database DevOps Solutions. https://www.alibabacloud.com/product/data-management-service / https://www.alibabacloud.com/help/doc-detail/190124.htm?spm=a2c63.p38356.b99.40.6ad93d19Xe9h14

Which of the following features determines high performance of the performance-enhanced instances of ApsaraDB for Redis Enhanced Edition (Tair)?A . Extended data structure modulesB . MultithreadingC . Global ReplicaD . Data flashbackView AnswerAnswer: C

DTS (Data Transmission Service) must have access to a database user account on both the target and source database, in order to work.A . TrueB . FalseView AnswerAnswer: A Explanation: https://www.alibabacloud.com/help/doc-detail/26652.htm?spm=a2c63.p38356.879954.26.2ab232664Wkc2m#concept-xng-n1b-mhb

Which of the following specifications of AnalyticDB supports tiered storage of cold and hot data?A . Basic EditionB . C seriesC . S seriesD . Elastic ModeView AnswerAnswer: D

Which of the following is the high-availability service level that is specified in the ApsaraDB RDS Service Level Agreement (SLA)?A . 90%B . 99%C . 99.5%D . 99.99%View AnswerAnswer: D

Which of the following tasks cannot be completed by using Advanced Database & Application Migration (ADAM)?A . De-Oracle workload evaluationB . Data structure conversionC . Data migrationD . Performance monitoringView AnswerAnswer: B

PolarDB for MySQL allows you to deploy a cluster across multiple zones. Compared with single-zone clusters, multi-zone clusters have better disaster recovery capabilities and can withstand data centre-level faults.A . TrueB . FalseView AnswerAnswer: A Explanation: Compared with single-zone clusters, multi-zone clusters can enhance disaster recovery capabilities and withstand the...

Which of the following is the lowest recovery point objective (RPO) for Database Backup Service?A . SecondsB . MinutesC . HoursD . DaysView AnswerAnswer: B