Alibaba Cloud ACA-Operator Real 2021 Braindumps Mock Exam Dumps [Q29-Q50]

Alibaba Cloud ACA-Operator Real 2021 Braindumps Mock Exam Dumps

ACA-Operator Exam Questions | Real ACA-Operator Practice Dumps

NEW QUESTION 29
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. The user uses the master key created on KMS to encrypt and decrypt the generated data key.
• B. 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).
• C. The master key generated by KMS is also kept by the user.
• D. Developers can generate a plaintext data key and a ciphertext data key by calling the GenerateDataKey interface.

Answer: A,B,D

 

NEW QUESTION 30
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 31
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 32
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 33
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. Transactional message
• B. Retried message
• C. Ordered message
• D. Batched message
• E. Scheduled message

Answer: A,C,E

 

NEW QUESTION 34
Which Alibaba Cloud service is used to manage cloud computing resources including the deployment?

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

Answer: A

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/28852.htm

 

NEW QUESTION 35
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. Resource Orchestration Service (ROS)
• D. Maintenance Orchestration Service (MOS)

Answer: A

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

 

NEW QUESTION 36
PolarDB supports three engines: MySQL, PostgreSQL and Oracle.

• A. False
• B. True

Answer: A

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

 

NEW QUESTION 37
Which of these is NOT a function of CloudMonitor?

• A. Set the alarm rule effective period (the time during which the alarm may trigger)
• B. Set notification methods for different alarms
• C. Automatically take remedial action when an alarm triggers
• D. Set alarm rules for any of CloudMonitor's metrics

Answer: C

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

 

NEW QUESTION 38
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. CloudMonitor
• B. ActionTrail
• C. Cloud Configo
• D. Resource Group

Answer: B

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

 

NEW QUESTION 39
Tracing Analysis is used to analyze and diagnose performance bottlenecks in a distributed application architecture and make microservice development and diagnostics more efficient.

• A. False
• B. True

Answer: B

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/90277.htm

 

NEW QUESTION 40
Cloud Config tracks configuration changes of your resources and evaluates configuration compliance.

• A. False
• B. True

Answer: B

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/127388.htm

 

NEW QUESTION 41
Which command is used to get the Docker daemon information?

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

Answer: D

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

 

NEW QUESTION 42
Which of the following features are unique to Alibaba Cloud Container Registry, as compared with Docker Hub? (Number of correct answers: 2)

• A. You can set your image repository access to public or private.
• B. Container Registry can automatically build new Docker images when source code changes.
• C. You can create and delete image repositories in different regions based on your needs.
• D. For source code hosted on websites outside China, Container Registry can use servers outside China to build Docker images, even when you are using a Container Registry instance in Mainland China.

Answer: C,D

 

NEW QUESTION 43
Which of the following descriptions of the principles of Alibaba Cloud SSL certificate private key protection is correct?

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

Answer: C

 

NEW QUESTION 44
Which of the following web applications are suitable for deployment on Simple Application Server (SAS), as compared with ECS? (Number of correct answers: 3)

• A. Quickly build serverless site using Function Compute
• B. Quickly build a small e-commerce website
• C. Quickly build a personal blog website
• D. Quickly build a personal, learning, or test environment
• E. Set up a NoSQL database service

Answer: B,C,D

Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/58620.htm

 

NEW QUESTION 45
Which of the following engines is NOT supported by PolarDB?

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

Answer: D

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

 

NEW QUESTION 46
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. False
• B. True

Answer: A

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

 

NEW QUESTION 47
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 48
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. Change the website access mode to HTTPS
• 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. Use SLB for extra protection

Answer: D

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 49
Which of these are important concepts in Terraform's configuration language, HCL? (Number of correct answers: 3)

• A. Service Mesh
• B. Provider
• C. Variable
• D. Resource

Answer: B,C,D

 

NEW QUESTION 50
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Alibaba Cloud ACA-Operator Exam Syllabus Topics:

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

 

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