Question No. 1

Which of the following statements are correct, with regard to Alibaba Cloud Log Service? (Number of correct answers: 3)

AAs an agent for collecting logs, Logtail can collect logs from existing system log files in a non-intrusive manner

BThe Log Service frontend service adopts an LVS + NGINX architecture

CThe Logstore backend service is deployed on a single machine to complete the real-time persistence, indexing, query and delivery of Logstore data to MaxCompute

DEach log written to the Log Service backend will be saved in triplicate (across three separate physical servers)

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Correct Answer: B, C, D

Question No. 2

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?

AManually install the Node. Js package in the Function Compute console

BCreate a single web application and upload the corresponding code package via the Function Compute console (or fcli)

CConfigure program startup commands and access ports in the Function Compute console

DStart and verify the application in the Function Compute console

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Correct Answer: A

Question No. 3

You can use Alibaba Cloud Data transmission service (DTS) or the open source tool Redis-shake to migrate and synchronize data from a local Redis instance to an Alibaba Cloud Redis instance. What is one feature which DTS has but Redis-shake does not?

AFull data migration

BIncremental data migration

COne-way data synchronization

DTwo-way data synchronization

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Correct Answer: A

Question No. 4

Which of the following descriptions describes the (Security Token Service) STS service correctly? (Number of correct answers: 3)

AThrough 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

BA STS request consists of an access address, communication protocol, request method, request parameters and character encoding

CWhen 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

DThe STS service supports the use of both HTTP and HTTPS protocols

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Correct Answer: B, C, D

Question No. 5

When a developer uses the LogGroup function to package multiple logs and writes data through the API/SDK of the Log Service, it receives error code 403 or 500 continiously. What are the possible reasons?

AThe 'Topic' data field is empty

BThe log size written to log group is less than 5MB

CThe target partition in the Logstore is not specified

DInsufficient space in the Logstore partition

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Correct Answer: D

Free Alibaba ACA-Developer Exam Actual Questions

The questions for ACA-Developer were last updated On Jan 18, 2025