H13-831-ENU 試験問題を無料オンラインアクセス

Which of the following synchronization methods does the MySQL database support? (Multiple choice)

• A.Semi-asynchronous
• B.Asynchronous
• C.Semi-synchronous
• D.Real-time synchronization

HDFS adopts the file access model of "write once, read many times", so after a file in HDFS is created, written and closed, it should not be modified.

• A.False
• B.True

Which of the following statements about the matching relationship between the evaluation method and implementation method of data secure transmission are correct? (Multiple choice)

• A.Trusted data source - digital signature
• B.Reliable data source - information summary
• C.Data has not been modified - data is encrypted.
• D.Data has not been modified - summary of information.

The user uses the backup migration function provided by HUAWEI CLOUD DRS. By uploading the backup file of the local Microsoft sqL Server database to the object storage service, and then restoring it to the target teaching database, in this scenario, which of the following descriptions about full backup and incremental backup is wrong?

• A.Full backup is a one-time database migration, and business needs to be stopped.
• B.The full backup + incremental backup method needs to complete the full backup and recovery and restore through an incremental backup file to minimize business interruption during the migration process.
• C.Use DRS Backup migrate database data replication services provided by IP will be exposed to the public Internet.
• D.Each incremental backup and recovery will keep the target database in the restoring state. At this time, the database cannot be read or written until the last incremental backup is restored.

In the product architecture of HUAWEI CLOUD Application Operation and Maintenance Management AOM, which of the following data storage can be supported at the storage transport layer? (Multiple choice)

• A.Redis
• B.ETCD
• C.MySQL
• D.ElasticSearch