100% Passing Guarantee - Brilliant ACA-Operator Exam Questions PDF [Dec-2021]
ACA-Operator Dumps 2021 - NewAlibaba Cloud ACA-Operator Exam Questions
Alibaba Cloud ACA-Operator Exam Syllabus Topics:
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NEW QUESTION 22
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 23
Which command should you run to create the resources described in the Terraform scripts?
- A. terraform plan
- B. terraform init
- C. terraform destroy
- D. terraform apply
Answer: D
Explanation:
Explanation
https://www.terraform.io/docs/cli/commands/apply.html
NEW QUESTION 24
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 25
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 26
Which database utility is suitable for automate perception, healing, optimization, O&M, and security assurance for databases?
- A. DMS
- B. DTS
- C. DBS
- D. DAS
Answer: D
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/64851.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. 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 28
How does Cloud Config get permission to gather information about other Alibaba Cloud services?
- A. An Access Key
- B. It gets automatic permission to access everything, because it is an Alibaba Cloud service
- C. By storing a copy of your password
- D. A RAM Role
Answer: D
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/156642.htm
NEW QUESTION 29
Which database utility is suitable for database migration?
- A. DMS
- B. DBS
- C. DAS
- D. DTS
Answer: D
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/176063.htm
NEW QUESTION 30
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 31
A developer has written a web application using a microservice architecture, in such an architecture, the client (web browser or mobile application) first initiates a request. The request first reaches the load balancer, then goes through an authentication service, a billing service, then requests a resource, and finally a result is returned. How many spans does such a call chain consist of?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Explanation
1-request, 2-load balancer, 3-authentication service, 4-billing service, 5-resource request
NEW QUESTION 32
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 33
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 34
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 35
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. True
- B. False
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/28804.htm
NEW QUESTION 36
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 37
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 38
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 39
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 40
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