Free Alibaba ACA-Developer Exam Questions

Become Alibaba Certified with updated ACA-Developer exam questions and correct answers

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Total 96 Questions | Updated On: Apr 03, 2025

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Question 1

The event monitoring feature in CIoudMonitor provides custom event monitoring functions. Which of the

following data reporting methods are included? (Number of correct answers: 3)

A : port event monitoring through the Python SDK

B : port event monitoring through the Java SDK

C : port event monitoring data via HTTP

D : port event monitoring data through the command line (CU)

Answer: A,B,C

Question 2

For business scenarios with strong data reliability requirements or financial business scenarios with regulatory

requirements related to data durability and availability, RDS MySQL provides a remote backup mechanism to

improve reliability. Which of the following is correct, regarding RDS's remote disaster recovery capabilities?

(Number of correct answers: 3)

A : primary database (the one to be backed up) must have an Alibaba Cloud Intranet address

B : RDS realizes real-time synchronization between the master instance and the remote disaster recoveryinstance through Data Transmission Service (DTS)

C : When an outage occurs in the area where the primary instance is located, and neither the primaryinstance (Master) nor the standby instance (Slave) can be connected to, the remote disaster recoveryinstance can be switched to the primary instance

D : When the database deletion operation is performed on the master instance, the operation will also besynchronized to the disaster recovery instance

Answer: D

Question 3

A developer creates a MySQL database service on a Linux ECS instance (ECS-A), and wants to access this

database service from another instance (ECS-B) in the same VPC using the private IP address bound to the

ECS instance, however, the connection can't be established. What could cause this? (Number of correct

answers: 2)

A : security group for ECS-A does not have the default MySQL service port open.

B : built-in firewall on ECS-A has rules that prohibit external access to the MySQL service port.

C : Internet IP address is configured for ECS-A.

D : bind-address parameter set in the my.ini configuration file of the MySQL service is commented out.

Answer: C,D

Question 4

Which of the following web applications are suitable for deployment on Simple Application Server (SAS), as

compared with LCS? (Number of correct answers: 3)

A : Quickly build a personal blog website

B : Quickly build a small e-commerce website

C : Set up a NoSQL database service

D : Quickly build a personal, learning, or test environment

Answer: A,C

Question 5

Which of the following permission control policies does Object Storage Service (OSS) provide for access to

objects stored in a bucket? (Number of correct answers: 4)

A : L

B : M Policy

C : cket Policy

D : authorization

E : namic blacklist

F : ject Policy

G : IntranetAccess

Answer: A,C,D

Page: 1 / 20

Total 96 Questions | Updated On: Apr 03, 2025

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