Free ACA-Developer Exam Questions - Easiest Way for Success

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Total 96 Questions | Updated On: Sep 12, 2024

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Question 1

Which data format is NOT supported by Alibaba Cloud Message Service?

A : XML

B : JSON

C : SIMPLIFIED

D : VERBOSE

Answer: D

Question 2

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?.

A : OSS event trigger(s)

B : CloudMonitor trigger(s)

C : MNS topic trigger(s)

D : SLS trigger(s)

Answer: B

Question 3

Log Service uses a semi-structured data model to define a log. This mode contains five data fields:

Topic, Time, Content, Source, and Tags. Log Service has different requirements for the format of each field in

the log. Which of the following fields cannot be empty characters? (Number of correct answers: 4)

A : Topic

B : Time

C : Content

D : Source

E : Tags

Answer: A,B,D

Question 4

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

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

C : No Internet IP address is configured for ECS-A.

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

Answer: C,D

Question 5

Which of the following is NOT a feature of Alibaba Cloud's Cassandra database service?

A : Centerless distributed architecture

B : Supports both narrow and wide tables, providing flexible schema functions

C : Cluster storage, strong expansion of read and write capabilities

D : Enterprise-level capabilities such as disaster tolerance, backup and recovery, security, and monitoringacross data centers

Answer: B

Page: 1 / 20

Total 96 Questions | Updated On: Sep 12, 2024

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