Alibaba ACA-Cloud1 Quiz 1 Topic 4 Questions 1-5

Question: 1

Which of the following ECS instance configurations can't be changed if we don't change instance type?

AMem size

BSystem disk size

CData disk size

DNumber of data disk

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Question: 2

SQL injection is a common application layer attack, usually through building special input parameters and pass it to web applications to steal or sabotage the application dat

a. Which of the following is the target for SQL injection?

AWeb application

BDatabase

CConfidential files on the server

DPictures on server

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Question: 3

In mainland China, the approval requirements for business record filing vary depending on provincial communication management bureaus.

ATRUE

BFALSE

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Question: 4

Which of the following statements is wrong when comparing RDS with self-built database?

ARDS features a high availability of 99.95% while self-built database requires you to implement data protection, primary-standby replication, and RAID all by yourself.

BRDS provides automatic backup while self-built database requires you to prepare storage space for backup copies and regularly verify that these copies can be restored.

CSelf-built database supports quick deployment and elastic scaling.

DRDS requires no O&M while self-built database requires a dedicated DBA for maintenance, which results in high HR cost.

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Question: 5

Which of the following ECS instance configurations can't be changed if we don't change instance type?

AMem size

BSystem disk size

CData disk size

DNumber of data disk

Show Answer

Alibaba ACA-Cloud1 Quiz:1 Topic:4 Questions:1-5