Latest [Mar 06, 2022] Realistic Verified ACA-Operator Dumps
Pass Alibaba Cloud ACA-Operator Exam Updated 63 Questions
NEW QUESTION 12
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 13
Which of these metrics are collected by CloudMonitor's Host Monitoring function? (Number of correct answers: 3)
- A. CPU status of the ECS instance
- B. Running processes on the ECS instance
- C. ECS network I/O
- D. Storage space used by OSS buckets
Answer: A,B,C
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/35170.htm
NEW QUESTION 14
RAM supports custom policies.
- A. True
- B. False
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/93733.htm
NEW QUESTION 15
CloudMonitor is for tracking operations on cloud resources.
- A. False
- B. True
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/35170.htm
NEW QUESTION 16
A developer accesses logs in a Log Service Logstore via the API. The error code returned by the server is 404.
Which of these could be the cause?
- A. Server internal error
- B. The log project (Project) does not exist
- C. Server is busy: please try later
- D. The requested digital signature does not match
Answer: B
Explanation:
Explanation
Error 404 ProjectNotExist: The error message returned because the specifiedproject does not exist.https://www.alibabacloud.com/help/doc-detail/29018.htm
NEW QUESTION 17
If you have a Node.js based application and you plan to migrate it to Alibaba Cloud Function Compute, which of the following steps is unnecessary?
- A. Create a single web application and upload the corresponding code package via the Function Compute console (or fcli)
- B. Start and verify the application in the Function Compute console
- C. Configure program startup commands and access ports in the Function Compute console
- D. Manually install the Node.js in the Function Compute console
Answer: D
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/73329.htm
NEW QUESTION 18
________________ is a fully-managed event-driven computing service that allows you to run code in an elastic and reliable way?
- A. Serverless Workflow
- B. Function Compute
- C. Batch Compute
- D. Elastic Compute Service (ECS)
Answer: B
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/52895.htm
NEW QUESTION 19
Which of the following descriptions describes the (Security Token Service) STS service correctly? (Number of correct answers: 3)
- A. 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
- 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. A STS request consists of an access address, communication protocol, request method, request parameters and character encoding
- D. The STS service supports the use of both HTTP and HTTPS protocols
Answer: A,B,C
NEW QUESTION 20
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. ActionTrail
- C. Table store
- D. Log Service
Answer: A,B,D
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/27280.htm
NEW QUESTION 21
Which Alibaba Cloud service is used to manage cloud computing resources including the deployment?
- A. Resource Access Management (RAM)
- B. Operation Orchestration Service (OOS)
- C. Resource Orchestration Service (ROS)
- D. Maintenance Orchestration Service (MOS)
Answer: C
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/28852.htm
NEW QUESTION 22
Which of the following features are unique to Alibaba Cloud Container Registry, as compared with Docker Hub? (Number of correct answers: 2)
- A. 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.
- B. You can set your image repository access to public or private.
- C. Container Registry can automatically build new Docker images when source code changes.
- D. You can create and delete image repositories in different regions based on your needs.
Answer: A,D
NEW QUESTION 23
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 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. From the SMC console, configure the type of disk image to be generated during the migration
- C. The SMC backend service generates a target Alibaba Cloud image based on the migration source
- D. Import the migration source information to the SMC console
Answer: B
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/127116.htm
NEW QUESTION 25
Cloud Config tracks configuration changes of your resources and evaluates configuration compliance.
- A. True
- B. False
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/127388.htm
NEW QUESTION 26
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 master key generated by KMS is also kept by the user.
- B. Developers can generate a plaintext data key and a ciphertext data key by calling the GenerateDataKey interface.
- C. 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).
- D. The user uses the master key created on KMS to encrypt and decrypt the generated data key.
Answer: B,C,D
NEW QUESTION 27
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