ACA-Database 무료 덤프문제 온라인 액세스

Which of the following statements is NOT correct about the benefits you can gain through PolarDB?

• A.Large storage space
• B.Millisecond-level latency in physical replication
• C.When you add a read-only node in an ApsaraDB for PolarDB cluster, you only need to pay for computing resources
• D.Elastic scaling within minutes
• E.locked backup

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?

• A.SOL audit
• B.Virtual private cloud (VPC)
• C.Transparent Data Encryption (TDE)
• D.Secure Sockets Layer (SSL) encryption

Which of the following is NOT supported by schema migration in Advanced Database & Application Migration (ADAM)?

• A.Re-migrate all schemas
• B.Migrate the schemas that require a manual revision but have not been revised
• C.Re-migrate the failed schemas
• D.Customize schema migration

Which of the following architectures is not supported by ApsaraDB RDS for MySQL?

• A.The single-node Basic Edition architecture, which can be used in test and non-core production environments
• B.The three-node Enterprise Edition architecture, which ensures zero data loss
• C.The high-avail ability architecture, in which primary and read-only nodes are deployed to implement automatic failovers
• D.The serverless architecture, in which computing resources are charged based on the Pay-As-You-Go (PAYG) billing method

Which of the following are the benefits of database views? (Number of correct answers: 3)

• A.Simplicity for queries
• B.Stabilization of information: presents a consistent, unchanged image of the database structure
• C.Easier for data visualization
• D.Simplicity in structure: presents the database as a set of virtual tables specific to particular users or groups of users