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  1. Home
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  3. ACA-Operator

Alibaba ACA-Operator Exam (page: 1)
Alibaba ACA System Operator Certification
Updated on: 07-Nov-2025

Viewing Page 1 of 14
ACA-Operator PDF 62 Questions

Which command is used to get the Docker daemon information?

  1. docker info
  2. docker version
  3. docker pull
  4. docker image

Answer(s): A


Reference:

https://docs.docker.com/engine/reference/commandline/info/



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)

  1. Add an index to a field that is frequently queried but does not frequently perform add, delete, or modify operations.
  2. Applies indices to fields to contain many records.
  3. A table should not contaiiAiore than 6 indexed fields.
  4. Apply indexing to fields of fixed length (preferably not long fields).
  5. Adhere to the rightmost prefix principle when using composite indexes

Answer(s): A,C,D



Which of the following steps is NOT mandatory when creating an API through Alibaba Cloud API Gateway?

  1. Define basic API information
  2. Attach a domain name
  3. Define API Request parameters
  4. Define the API backend service

Answer(s): B


Reference:

https://www.alibabacloud.com/help/doc-detail/29478.htm



Which of the following statements about ECS Snapshot is NOT correct?

  1. You can manually create snapshots
  2. You can create automatic snapshots
  3. You can roll back a disk by using a snapshot
  4. You can create an ECS instance from a snapshot

Answer(s): D

Explanation:

You can create a custom image from a snapshot that contains the operating system and data of an ECS instance. Then, you can use the custom image to create multiple instances that have identical application environments.


Reference:

https://www.alibabacloud.com/help/doc-detail/25391.htm



Your company decided to replicate the whole cloud environment in another region and use it as a cross-region failover in disaster recovery scenarios.

Your current environment includes Elastic Compute Service (ECS) instances,
Server Load Balancer (SLB) instances and Relational Database Service (RDS) instances. Which of the following statements is correct?

  1. You can provision multiple ECS instances in multiple regions, thereby leveraging automatic high availability across regions
  2. You can provision multiple SLB instances in multiple regions, thereby leveraging automatic high availability across regions
  3. You can use DNS to resolve domain names to the IP addresses of multiple ECS instances running in different regions
  4. You can use DNS to resolve domain names to the IP addresses of multiple SLB instances running in different regions

Answer(s): D


Reference:

https://cloudacademy.com/course/alibaba-server-load-balancer-1066/alibabas-high- availability/



Viewing Page 1 of 14



Share your comments for Alibaba ACA-Operator exam with other users:

Dan 6/29/2023 1:53:00 PM

please upload
Anonymous


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prepping for fsc exam
AUSTRALIA


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pd1 with great experience
Anonymous


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@t it seems like azure service bus message quesues could be the best solution
UNITED KINGDOM


Shiji 10/15/2023 1:08:00 PM

helpful to check your understanding.
INDIA


Da Costa 8/27/2023 11:43:00 AM

question 128 the answer should be static not auto
Anonymous


bot 7/26/2023 6:45:00 PM

more comments here
UNITED STATES


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Anonymous


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Anonymous


Blessious Phiri 8/13/2023 8:37:00 AM

making progress
Anonymous


Nabla 9/17/2023 10:20:00 AM

q31 answer should be d i think
FRANCE


vladputin 7/20/2023 5:00:00 AM

is this real?
UNITED STATES


Nick W 9/29/2023 7:32:00 AM

q10: c and f are also true. q11: this is outdated. you no longer need ownership on a pipe to operate it
Anonymous


Naveed 8/28/2023 2:48:00 AM

good questions with simple explanation
UNITED STATES


cert 9/24/2023 4:53:00 PM

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Anonymous


Yves 8/29/2023 8:46:00 PM

very inciting
Anonymous


Miguel 10/16/2023 11:18:00 AM

question 5, it seems a instead of d, because: - care plan = case - patient = person account - product = product2;
SPAIN


Byset 9/25/2023 12:49:00 AM

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Anonymous


Debabrata Das 8/28/2023 8:42:00 AM

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Anonymous


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Anonymous


CV 9/9/2023 1:54:00 PM

its time to comptia sec+
GREECE


SkepticReader 8/1/2023 8:51:00 AM

question 35 has an answer for a different question. i believe the answer is "a" because it shut off the firewall. "0" in registry data means that its false (aka off).
UNITED STATES


Nabin 10/16/2023 4:58:00 AM

helpful content
MALAYSIA


Blessious Phiri 8/15/2023 3:19:00 PM

oracle 19c is complex db
Anonymous


Sreenivas 10/24/2023 12:59:00 AM

helpful for practice
Anonymous


Liz 9/11/2022 11:27:00 PM

support team is fast and deeply knowledgeable. i appreciate that a lot.
UNITED STATES


Namrata 7/15/2023 2:22:00 AM

helpful questions
Anonymous


lipsa 11/8/2023 12:54:00 PM

thanks for question
Anonymous


Eli 6/18/2023 11:27:00 PM

the software is provided for free so this is a big change. all other sites are charging for that. also that fucking examtopic site that says free is not free at all. you are hit with a pay-wall.
EUROPEAN UNION


open2exam 10/29/2023 1:14:00 PM

i need exam questions nca 6.5 any help please ?
Anonymous


Gerald 9/11/2023 12:22:00 PM

just took the comptia cybersecurity analyst (cysa+) - wished id seeing this before my exam
UNITED STATES


ryo 9/10/2023 2:27:00 PM

very helpful
MEXICO


Jamshed 6/20/2023 4:32:00 AM

i need this exam
PAKISTAN


Roberto Capra 6/14/2023 12:04:00 PM

nice questions... are these questions the same of the exam?
Anonymous