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ACA-Developer – ACA Developer

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Showing 7–9 of 10 questions

Question 7

Which of the following is NOT a feature of Alibaba Cloud's Cassandra database service?

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    Centerless distributed architecture
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    Supports both narrow and wide tables, providing flexible schema functions
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    Cluster storage, strong expansion of read and write capabilities
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    Enterprise-level capabilities such as disaster tolerance, backup and recovery, security, and monitoring across data centers
Question 8

Which of the following statements describes AKs (Access Keys) incorrectly?

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    AK can refer to both the AccessKey ID and the AccessKey secret
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    You can use AK to construct an API request and the corresponding resources can be manipulated if your request successfully..
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    An AccessKey ID and AccessKey Secret cannot be used separately
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    AccessKey Secrets for RAM sub-accounts can be queried at any time on the Console Interface after creation
Question 9

As more businesses move online and collect more data about their users, databases are beginning to grow very large, affecting table query performance and business operations. In order to solve these problems, in addition to sub-database sub-table transformation, we can also use Data Management Service (DMS)'s archiving function to regularly archive large table data. We can then remove the archived records from the original table to improve query performance. Which of these statements about this feature of DMS is NOT correct?

Select an option, then click Submit answer.

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    The supported database types are RDS MySQL and PolarDB MySQL
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    Before you can use this feature of DMS, you must first enable Alibaba Cloud's Database Backup Service (DBS)
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    Backup data can be stored In OSS
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    The user role of this operation must be 'administrator" or "DBA"