Latest [Jan 12, 2022] ACA-Operator Exam Questions – Valid ACA-Operator Dumps Pdf [Q18-Q40]

Latest [Jan 12, 2022] ACA-Operator Exam Questions – Valid ACA-Operator Dumps Pdf

ACA-Operator Practice Test Questions Answers Updated 63 Questions

Alibaba Cloud ACA-Operator Exam Syllabus Topics:

Topic	Details
Topic 1	Create an ECS image to package the application and runtime environments for easy distribution Gather and interpret relevant information for network troubleshooting
Topic 2	Manage permissions for an enterprise organization on the cloud Recognize and differentiate highly available and resilient architectures on Alibaba Cloud
Topic 3	Identify and implement data protection, encryption, and capacity planning needs Enable finance to see what is being spent, when, and by whom
Topic 4	Implement connectivity to build a full-mesh global network on cloud Create container images for lightweight application packaging using Docker
Topic 5	Use Cloud Monitor to monitor application resource usage and health status Cloud Architecture- High Availability and Fault Tolerance
Topic 6	Use Alibaba Cloud services and features to manage and assess resource utilization Implement scalability and elasticity based on a given use case using Auto-Scaling and Load Balancer
Topic 7	Network design for resource sharing between different accounts Use Cloud Config to track resource configuration changes and evaluate configuration compliance
Topic 8	Migrate data from a local environment to OSS or RDS using DTS or OSS utilities Implement data backup, archiving and retention for Cloud Disk, RDS, and OSS
Topic 9	Deploy and configure ECS on Alibaba Cloud, Set up remote access to ECS Apply Alibaba Cloud Networking Features
Topic 10	Manage identity and authentication for an organization’s users, across multiple platforms Publish container images to Alibaba Cloud Container Registry (ACR)

 

NEW QUESTION 18
Which of these services can be used to monitor Alibaba Cloud resources and send alerts? (Number of correct answers: 3)

• A. CloudMonitor
• B. Cloud Config
• C. Object Storage Service (OSS)
• D. ActionTrail

Answer: A,B,D

Explanation:
Explanation
OSS is an object storage service.

 

NEW QUESTION 19
You need to log all actions taken by users of your Alibaba Cloud account, whether via the command line tools or the web console. Which Alibaba Cloud product can you use to create a log of user operations?

• A. Cloud Configo
• B. CloudMonitor
• C. Resource Group
• D. ActionTrail

Answer: D

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/28804.htm

 

NEW QUESTION 20
Which of the following methods can NOT be used for operating Alibaba Cloud Elastic Compute Service (ECS) instances?

• A. CLI
• B. SDK
• C. Console
• D. CloudFormation

Answer: D

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/25422.htm

 

NEW QUESTION 21
ApsaraDB for HBase is a cost-effective cloud-based intelligent SQL service that is of high scalability and compatible with the open source HBase.

• A. True
• B. False

Answer: B

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/49501.htm

 

NEW QUESTION 22
Which of the following options are correct for Multipart Upload and Resumable Upload in Object Storage Service (OSS)? (Number of correct answers: 3)

• A. After an upload is interrupted, the portions of the file which have successfully uploaded prior to the interruption will be saved in the OSS bucket
• B. Use Multipart Upload to upload multiple parts of a file in parallel to speed up the upload process
• C. If the upload fails due to an accident during the uploading of fragments, you need to upload all the fragments again
• D. Multipart Upload is usually used when the size of the file to be uploaded is large

Answer: A,B,D

 

NEW QUESTION 23
Which of these log formats is currently supported by Alibaba Cloud's ActionTrail?

• A. XML
• B. HTML
• C. JSON
• D. Markdown

Answer: C

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/140850.htm

 

NEW QUESTION 24
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)

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

Answer: B,D,E

 

NEW QUESTION 25
Which configuration language does Terraform support?

• A. HCL
• B. YAML
• C. Python
• D. XML

Answer: A

Explanation:
Explanation
https://www.terraform.io/docs/language/syntax/configuration.html

 

NEW QUESTION 26
Which of the following descriptions describes the (Security Token Service) STS service correctly? (Number of correct answers: 3)

• A. A STS request consists of an access address, communication protocol, request method, request parameters and character encoding
• B. Through the STS service, RAM users or RAM roles can obtain a temporary token that allows them to call the Alibaba Cloud API or use the web console
• C. The STS service supports the use of both HTTP and HTTPS protocols
• D. When calling the STS API, in order to ensure the safe calling of the API, Alibaba Cloud will authenticate each API request through a signature when each API call is made

Answer: A,B,D

 

NEW QUESTION 27
________________ is a fully-managed event-driven computing service that allows you to run code in an elastic and reliable way?

• A. Batch Compute
• B. Function Compute
• C. Serverless Workflow
• D. Elastic Compute Service (ECS)

Answer: B

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/52895.htm

 

NEW QUESTION 28
You are responsible for the system operations of a product and have implemented the cloud infrastructure in the Alibaba Cloud platform. When business loads increase, _______ automatically adds ECS instances to ensure sufficient computing capabilities. When business loads decrease, the same service automatically removes ECS instances to save costs. Which service are you using?

• A. Server Load Balancer (SLB)
• B. Auto Scaling
• C. Resource Access Management (RAM)
• D. Resource Orchestration Service (ROS)

Answer: D

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/25857.htm

 

NEW QUESTION 29
Which of the following engines is NOT supported by PolarDB?

• A. MySQLo
• B. MongoDB
• C. PostgreSQL
• D. Oracle

Answer: B

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/58764.htm

 

NEW QUESTION 30
In Alibaba Cloud, a developer finds that the ECS instance he created does not have public IP assigned. The API method used was "CreateInstance". Which of the following is the most likely reason?

• A. The ECS was not restarted after being created
• B. The CreateDisk API call was not made
• C. The CreateSecurityGroup API call was not made
• D. The developer did not call AllocatePublicIpAdress (an additional API call), which is needed to assign a public IP

Answer: D

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/25544.htm

 

NEW QUESTION 31
Alibaba Cloud RocketMQ is typically used in scenarios where message publishing and consumption performance requirements are high. Which of the following are supported message types in Alibaba Cloud RocketMQ? (Number of correct answers: 3)

• A. Scheduled message
• B. Batched message
• C. Transactional message
• D. Retried message
• E. Ordered message

Answer: A,C,E

 

NEW QUESTION 32
Which of the following fields should be defined in the Alibaba Cloud Terraform Provider Configuration? (Number of correct answers: 3)

• A. region
• B. ecret_key
• C. access_key
• D. image_id

Answer: A,B,C

Explanation:
Explanation
https://www.terraform.io/docs/language/providers/requirements.html

 

NEW QUESTION 33
A system operator can tag resources for costing and billing purposes.

• A. True
• B. False

Answer: A

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/25477.htm

 

NEW QUESTION 34
Alibaba Cloud CloudMonitor is a service that monitors Alibaba Cloud resources and internet applications.
Which of the following functions are provided by CloudMonitor? (Number of correct answers: 4)

• A. Cloud product monitoring
• B. Custom firewall
• C. Site monitoring
• D. Alerts
• E. Custom monitoring

Answer: A,C,D,E

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/35170.htm

 

NEW QUESTION 35
A developer needs to use some sensitive business data and operational data in the process of developing a program, but the data should be protected (encrypted or anonymized) as much as possible. In order to facilitate and secure management of data encryption keys, the developer can use Alibaba Cloud Key Management Service (KMS) envelope encryption technology. Which of these statements is NOT correct, regarding KMS?

• A. Envelope encryption is an encryption mechanism similar to digital envelope technology. The technology allows you to store, transfer and use encrypted data by encapsulating their Data Keys (DKs) in an envelope, instead of \y encrypting/decrypting data directly with Customer Master Keys (CMKs).
• B. The master key generated by KMS is also kept by the user.
• C. Developers can generate a plaintext data key and a ciphertext data key by calling the GenerateDataKey interface.
• D. The user uses the master key created on KMS to encrypt and decrypt the generated data key.

Answer: A,C,D

 

NEW QUESTION 36
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?

• A. You can provision multiple ECS instances in multiple regions, thereby leveraging automatic high availability across regions
• B. You can use DNS to resolve domain names to the IP addresses of multiple SLB instances running in different regions
• C. You can provision multiple SLB instances in multiple regions, thereby leveraging automatic high availability across regions
• D. You can use DNS to resolve domain names to the IP addresses of multiple ECS instances running in different regions

Answer: B

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

 

NEW QUESTION 37
Serverless Workflow allow you to orchestrate distributed tasks in sequence, branch, and parallel modes, and ensure that tasks are reliably coordinated according to your workflow logic. Which of the following service integration modes is not supported by Serverless Workflow?

• A. Asynchronous mode
• B. Waiting for callback mode
• C. Request response mode
• D. Synchronization mode

Answer: A

Explanation:
Explanation
Asynchronous mode is only possible with the combination of MNS
service.https://static-aliyun-doc.oss-cnhangzhou.aliyuncs.com/download%2Fpdf%2F122479%2FBest_Practices_

 

NEW QUESTION 38
Which of the following descriptions of the principles of Alibaba Cloud SSL certificate private key protection is correct?

• A. Alibaba Cloud Certificate Service keys are loaded into memory in plaintext format ONLY when needed.
• B. Alibaba Cloud Certificate Service uses symmetric encryption to save the certificate private key.
• C. The plaintext of Alibaba Cloud's private key is usually stored on disk and backed up regularly
• D. Alibaba Cloud uses the built-in functionality of the SSL certificate service to encrypt and store the private key to ensure the security of your certificate's private key

Answer: A

 

NEW QUESTION 39
Alibaba Cloud Log Service allows you to store and search logs from a variety of sources, but has no built-in visualization capabilities.

• A. True
• B. False

Answer: B

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/102530.htm

 

NEW QUESTION 40
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ACA-Operator dumps Sure Practice with 63 Questions: https://www.pass4sures.top/Alibaba-System-Operator/ACA-Operator-testking-braindumps.html