Alibaba ACA-Database Exam Questions Instant Access

Question 1

Which of the following statements about Data Transmission Service (DTS) migration scenarios is NOT true?

ADTS can migrate data in a circular way, for example, A > B > C > A.

BDTS can migrate data from one source database to one destination database, for example, A > B.

CDTS can migrate data from one source database to several destination databases, for example, A > B and A > C.

DDTS can migrate data from several source databases to one destination database, for example, A > C and B > C.

Answer : A

Question 2

Which of the following features are provided by PolarDB-O's proxy? (Number of correct answers: 4)

ARead/write splitting

BLoad balancing

CHealth checks for nodes

DFailover strategies for high availability

EData encryption

Answer : A, B, C, D

Question 3

Which of the following is not a relational database?

AOracle

BDB2

CTeradata

DRedis

Answer : D

Question 4

lf Oracle databases need to be migrated to Alibaba Cloud, which of the following product solutions :an be recommended? (Number of correct answers: 3)

AUse PolarDB-0 that is highly compatible with Oracle.

BUse Advanced Database & Application Migration (ADAM) to evaluate the migration project.

CUse ApsaraDB for Redis as a cache service to provide acceleration capabilities.

DUse Data Transmission Service (DTS) to migrate data.

Answer : A, B, D

Question 5

Which database utility is good for database management and DevOps?

ADMS

BDBS

CDTS

DDAS

EADAM

Answer : A

https://www.alibabacloud.com/product/data-management-service /https://www.alibabacloud.com/help/doc-detail/190124.htm?spm=a2c63.p38356.b99.40.6ad93d19Xe9h14

Question 6

Which of the following are reasonable Data Transmission Service (DTS) use cases? (Number of correct answers: 4)

ADatabase migration without interrupting services / downtime

BGeo-disaster recovery and active geo-redundancy for databases

CSynchronizing data to data warehouses in real time to build data warehouses for real-time analytics.

DConfiguring data audit rules to manage data quality.

ESynchronizing information about user accounts and permissions.

FChange tracking and data distribution.

Answer : A, B, F

Question 7

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

ARe-migrate all schemas

BRe-migrate the failed schemas

CMigrate the schemas that require a manual revision but have not been revised

DCustomize schema migration

Answer : C

Alibaba ACA Database ACA-Database Exam Questions