최신Alibaba Cloud ACA Database Certification - ACA-Database무료샘플문제

A. 10TB

B. 50TB

C. 1TB

D. 100TB

A. ApsaraDB for PolarDB is designed to handle large amounts of sequential queries

B. An ApsaraDB for PolarDB cluster can also be scaled out to a maximum of 16 nodes, and provide up to 6 times of performance improvement traditional MySQL clusters at a 30% to 50% cost reduction

C. Each ApsaraDB for PolarDB cluster supports up to 100 TB of storage space and can handle up to one million queries per second (QPS)

D. ApsaraDB for PolarDB is a cloud-native relational database service that is compatible with the MySQL, PostgreSQL, and Oracle engines

E. ApsaraDB for PolarDB can scale clusters within a few minutes, recover from failures within a few seconds, and guarantee data consistency

A. True

B. False

A. Pase

B. Ganos

C. Slot failover

D. Point-in-time restore

E. High concurrency optimization

A. Simplicity for queries

B. Simplicity in structure: presents the database as a set of virtual tables specific to particular users or groups of users

C. Stabilization of information: presents a consistent, unchanged image of the database structure

D. Easier for data visualization

A. Data flashback

B. Extended data structure modules

C. Multithreading

D. Global Replica

A. True

B. False

A. Multi-cloud and multi-backend backup

B. High mount speeds (a few seconds)

C. Real-time synchronization

D. Online query and analysis

A. Complex extract, transform, load (ETL)

B. Interactive analysis

C. Machine Learning

D. Real-time update

E. Simple point query