Alibaba ACA-Developer ACA Developer Exam Practice Test

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Total 95 questions
Question 1

Which of the following options is not included in Object Storage Service (OSS) object URLs?



Answer : A


Question 2

A Developer is asked to implement a caching layer in front of RDS. Cached content is expensive to regenerate in case of service failure. Which implementation below would work while maintaining maximum uptime?



Answer : D


Question 3

What are the required parameters for the Python SDK to create a client to access Alibaba Cloud's API? (Number of correct answers: 3)



Question 4

Alibaba Cloud's ECS disk snapshotting tool can create crash-consistent snapshots for all types of Cloud Disks. It is a convenient and efficient disaster recovery method. It is often used for data backup, custom mirroring, application disaster recovery, etc. Which of the following is NOT a correct description of disk snapshots?



Answer : A


Question 5

When you use SQL statements to access tables in a database without an index configured, a full table scan will be performed. If a table contains a large amount of data, this kind of scan will access a large amount of data and consume a lot of the database's resources. Which of the following options are best practices when creating database indexes? (Number of correct answers: 3)



Answer : A, B, D


Question 6

Function Compute supports one-way triggers and two-way triggers. Which of the following triggers is a one-way trigger? That is to say you only need to configure the trigger in the event source, not in Function Compute?.



Answer : B


Question 7

A developer is making the ModifyDDInstanceSpec API call to change the specifications of an RDS instance, but the operation fails. Why could this be? (Number of correct answers: 3)



Answer : A, B, C


Page:    1 / 14   
Total 95 questions