[Nov 18, 2021] ACA-Operator Exam Brain Dumps - Study Notes and Theory [Q11-Q28]

[Nov 18, 2021] ACA-Operator Exam Brain Dumps - Study Notes and Theory

Pass Alibaba Cloud ACA-Operator Test Practice Test Questions Exam Dumps

Alibaba Cloud ACA-Operator Exam Syllabus Topics:

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

 

NEW QUESTION 11
Alibaba Cloud ActionTrail is a service that monitors and records the actions of your Alibaba Cloud account, including the access to and use of cloud products and services through the Alibaba Cloud console, API operations, and SDKs.

• A. False
• B. True

Answer: B

 

NEW QUESTION 12
Resource Management provides a collection of resource management services that support enterprise IT administration.

• A. False
• B. True

Answer: B

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/94475.htm

 

NEW QUESTION 13
Which database utility is suitable for automate perception, healing, optimization, O&M, and security assurance for databases?

• A. DBS
• B. DTS
• C. DAS
• D. DMS

Answer: C

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/64851.htm

 

NEW QUESTION 14
Which of the following options are correct for Multipart Upload and Resumable Upload in Object Storage Service (OSS)? (Number of correct answers: 3)

• A. If the upload fails due to an accident during the uploading of fragments, you need to upload all the fragments again
• B. Multipart Upload is usually used when the size of the file to be uploaded is large
• C. 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
• D. Use Multipart Upload to upload multiple parts of a file in parallel to speed up the upload process

Answer: B,C,D

 

NEW QUESTION 15
________________ is a fully-managed event-driven computing service that allows you to run code in an elastic and reliable way?

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

Answer: C

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

 

NEW QUESTION 16
Which of the following steps is NOT mandatory when creating an API through Alibaba Cloud API Gateway?

• A. Define the API backend service
• B. Attach a domain name
• C. Define basic API information
• D. Define API Request parameters

Answer: B

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

 

NEW QUESTION 17
Which of the following data volume types is not supported by Elastic Container Instance (ECI)?

• A. FixedVolume
• B. EmptyDir
• C. NFS
• D. ConfigFile

Answer: A

Explanation:
Explanation
FlexVolume is the correct one
https://www.alibabacloud.com/help/doc-detail/90672.htm

 

NEW QUESTION 18
Which of the following services is used to establish private network connections between virtual private clouds (VPCs) in different regions, or between VPCs and data centers?

• A. CEN (Cloud Enterprise Network)
• B. NAT Gateway
• C. Express Connect
• D. VPN Gateway

Answer: A

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/59870.htm

 

NEW QUESTION 19
As the system administrator of a multinational company, you are responsible for the accounts and resources management on the cloud. Which of the following solutions are suitable for your company's IT Governance? (Number of correct answers: 3)

• A. Stop using Action Trail and Cloud Config to save the storage cost
• B. Use role-based SSO for Identities access, use resource directory to manage the resources in shared service account and master account
• C. Use one single VPC for all the resources to have the best performance
• D. Use CEN for interconnecting different networks globally, use shared VPC to share services between different organizations
• E. Use Cloud Config and Action Trail for compliance and audit

Answer: B,D,E

Explanation:
Explanation
https://www.alibabacloud.com/solutions/it-governance

 

NEW QUESTION 20
A developer is making the ModifyDBInstanceSpec API call to change the specifications of an RDS instance, but the operation fails. Why could this be? (Number of correct answers: 3)

• A. The targeted RDS instance is a disaster recovery instance
• B. The instance has a backup task being executed
• C. No instance type (specification) was included in the request parameters
• D. The instance is in the "running" state

Answer: A,B,C

 

NEW QUESTION 21
Which command should you run to create the resources described in the Terraform scripts?

• A. terraform init
• B. terraform plan
• C. terraform apply
• D. terraform destroy

Answer: C

Explanation:
Explanation
https://www.terraform.io/docs/cli/commands/apply.html

 

NEW QUESTION 22
After you enable health checks of Server Load Balancer (SLB), when one backend ECS instance is declared as unhealthy, which of the following statements is correct?

• A. Requests are forwarded to other normal ECS instances and the unhealthy ECS instance is shutted down
• B. Requests are not forwarded to the ECS instances and you get back a 400 error
• C. Requests are not forwarded to the ECS instances and you get back a 500 error
• D. Requests are forwarded to other normal ECS instances. When the faulty ECS instance becomes normal, SLB forwards requests to the ECS instance again

Answer: D

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/27702.htm

 

NEW QUESTION 23
Which of these metrics are collected by CloudMonitor's Host Monitoring function? (Number of correct answers: 3)

• A. Storage space used by OSS buckets
• B. ECS network I/O
• C. Running processes on the ECS instance
• D. CPU status of the ECS instance

Answer: B,C,D

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

 

NEW QUESTION 24
Which of the following is NOT required for SMC (Server Migration Center) to migrate a server to Alibaba Cloud?

• A. The SMC client transfers the source data to an intermediate ECS instance
• B. Import the migration source information to the SMC console
• C. From the SMC console, configure the type of disk image to be generated during the migration
• D. The SMC backend service generates a target Alibaba Cloud image based on the migration source

Answer: C

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/127116.htm

 

NEW QUESTION 25
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 CreateSecurityGroup API call was not made
• B. The ECS was not restarted after being created
• C. The CreateDisk 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 26
Which of these log formats is currently supported by Alibaba Cloud's ActionTrail?

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

Answer: A

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

 

NEW QUESTION 27
Which of the following Alibaba Cloud services offers a software-defined wide area network (SD-WAN) solution based on cloud-native technologies?

• A. Content Delivery Network (CDN)
• B. NAT Gateway
• C. Smart Access Gateway (SAG)
• D. VPN Gateway

Answer: C

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/69227.htm

 

NEW QUESTION 28
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