Alibaba ACA-Database ACA Database Exam Exam Practice Test Questions

• Question 1

  You want to migrate from MySQL to PostgreSQL: is this supported by DTS?

  • No, this type of migration isn't supported
    
  • You can migrate between MySQL and Oracle but not between PostgreSQL
    
  • Yes, migration between different types of databases is supported by DTS
    

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• Question 2

  Which of the following features is NOT supported by Data Transmission Service (DTS)?

  • Data migration
    
  • Data synchronization
    
  • Data backup
    
  • Change tracking
    

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• Question 3

  How can ApsaraDB for MyBase solve problems in database security and performance interferences in the multi-tenant scenario?

  • ApsaraDB for MyBase supports resource over commitment.
    
  • Instances can be migrated. You can manually migrate instances to idle hosts.
    
  • Isolated hosts are used. A host runs only your instances and does not run instances of other users.
    
  • ApsaraDB for MyBase allows you to distribute different types of instances at a time.
    

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• Question 4

  You are using DTS to migrate from a MySQL database installed on an ECS instance to a targetdatabase on RDS. In the DTS console, which of these is the correct 'Instance Type' for the database?

  • ECS-based Databases
    
  • Express Connect DB
    
  • RDS Instance
    
  • ApsaraDB MongoDB
    

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• Question 5

  When a backup file of core sensitive data is downloaded, business systems must be protected against data breaches. Which of the following capabilities must be enabled to ensure data security?

  • Virtual private cloud (VPC)
    
  • Secure Sockets Layer (SSL) encryption
    
  • Transparent Data Encryption (TDE)
    
  • SOL audit
    

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