[Q23-Q46] DumpsTests ACA-Operator Real Exam Question Answers Updated [Dec 05, 2021]

DumpsTests ACA-Operator Real Exam Question Answers Updated [Dec 05, 2021]

Easily To Pass New Alibaba Cloud ACA-Operator Dumps with 63 Questions

Alibaba Cloud ACA-Operator Exam Syllabus Topics:

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

 

NEW QUESTION 23
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 24
A company is developing a music application based on OSS and ECS, their users can download mp3 files after signing up for the application. Recently, the public network traffic to the OSS has doubled but the increase of registered users is less than 10%. After in-depth analysis, system operators find that many download requests are requested from the external search engine. In this case, which of the following measures is thought to be able to address this issue?

• A. Use SLB for extra protection
• B. Enable "Hotlink protection" of OSS and use an HTTP Referer whitelist to prevent unauthorized users from accessing your data
• C. Migrate music files from the OSS to the data disks for ECS instances
• D. Change the website access mode to HTTPS

Answer: A

Explanation:
Explanation
You can configure a HTTP Referer whitelist for a bucket to prevent extra fees caused by unauthorized access to the bucket.
https://www.alibabacloud.com/help/doc-detail/31901.htm

 

NEW QUESTION 25
Resource Management provides a collection of resource management services that support enterprise IT administration.

• A. True
• B. False

Answer: A

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

 

NEW QUESTION 26
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 27
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 28
A Developer is creating a Function Compute function. This function requires around 1 GB of temporary storage for files while executing. These files will not be needed after the function is completed for a fixed period. How can this developer MOST efficiently handle the temporary files?

• A. Copy the files to an OSS bucket with a lifecycle policy configured to delete the files automatically.
• B. Copy the files to NFS and delete the files when the Function Compute function call completes.
• C. Store the files in the /tmp directory on a temporary ECS instance, and delete the files at when the Function Compute function call completes.
• D. Store the files in Cloud Disk and delete the files when Function Compute function call completes.

Answer: A

 

NEW QUESTION 29
Which of the following data volume types is not supported by Elastic Container Instance (ECI)?

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

Answer: D

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

 

NEW QUESTION 30
Which of the following Alibaba Cloud services offers a software-defined wide area network (SD-WAN) solution based on cloud-native technologies?

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

Answer: D

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

 

NEW QUESTION 31
Which of these Alibaba Cloud services are used for security (either credentials management, logging, or auditing?) (Number of correct answers: 3)

• A. Key Management Service (KMS)
• B. Table store
• C. Log Service
• D. ActionTrail

Answer: A,C,D

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/27280.htm

 

NEW QUESTION 32
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 33
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 34
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 35
PolarDB supports three engines: MySQL, PostgreSQL and Oracle.

• A. True
• B. False

Answer: B

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

 

NEW QUESTION 36
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 37
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 Cloud Config and Action Trail for compliance and audit
• C. Use one single VPC for all the resources to have the best performance
• D. Use role-based SSO for Identities access, use resource directory to manage the resources in shared service account and master account
• E. Use CEN for interconnecting different networks globally, use shared VPC to share services between different organizations

Answer: B,D,E

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

 

NEW QUESTION 38
Which Alibaba Cloud service is an automated operations and maintenance (O&M) service to execute O&M tasks?

• A. Operation Orchestration Service (OOS)
• B. Resource Access Management (RAM)
• C. Maintenance Orchestration Service (MOS)
• D. Resource Orchestration Service (ROS)

Answer: A

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/120556.htm

 

NEW QUESTION 39
Which database utility is suitable for managing databases in a centralized manner?

• A. DMS
• B. DTS
• C. DBS
• D. DAS

Answer: A

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/47550.htm

 

NEW QUESTION 40
Which of the following options correctly describes CloudMonitor Custom Monitoring and Custom Events?
(Number of correct answers: 2)

• A. Custom Events is for periodic and continuous collection of time series monitoring data, queries, and alarms
• B. Custom Monitoring is used for periodic and continuous collection of time series monitoring data, queries, and alarms
• C. Custom Events is used for collection of continuous event type data, queries, and alarms
• D. Custom Monitoring is used for collection of non-continuous event data, such as information about ECS instance restarts

Answer: B,C

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

 

NEW QUESTION 41
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 42
When using Alibaba Cloud CDN, a visitor's request will first be routed to a CDN edge node, and in the event of a cache miss at this edge node, the node will fetch data from the origin site (back-to-source request). Even with this redirection, it is possible for the origin site to see the visitor's real IP address. Which of the following statements about obtaining the visitor's real IP address are correct? (Number of correct answers: 2)

• A. You can activate the "record visitor's real IP" function in the Alibaba Cloud CDN console, then you can directly view visitor's IP addresses from the Alibaba Cloud CDN access logs.
• B. In Windows, if IIS is used, after installing the "F5XForwardedFor" extension module, the visitor's real IP address can be seen via IIS logs.
• C. visitor's real IP address can only be obtained by modifying the site or web application.
• D. visitor's real IP address is stored in the "X-Forwarded-For" HTTP header. It can be directly obtained via Apache or NGINX logs.

Answer: B,D

 

NEW QUESTION 43
Which of the following statements about ECS Snapshot is NOT correct?

• A. You can manually create snapshots
• B. You can create automatic snapshots
• C. You can roll back a disk by using a snapshot
• D. You can create an ECS instance from a snapshot

Answer: D

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

 

NEW QUESTION 44
Which command is used to get the Docker daemon information?

• A. docker version
• B. docker image
• C. docker pull
• D. docker info

Answer: D

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

 

NEW QUESTION 45
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 46
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