ACA-Operator Questions | Free Practice ACA-Operator Dumps & Exam Prep

Question No 1

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?

Choose the Choices:

Migrate music files from the OSS to the data disks for ECS instances

Change the website access mode to HTTPS

Enable “Hotlink protection” of OSS and use an HTTP Referer whitelist to prevent unauthorized users from accessing your data

Use SLB for extra protection

Question No 2

Which of the following is NOT required for SMC (Server Migration Center) to migrate a server to Alibaba Cloud?

Choose the Choices:

Import the migration source information to the SMC console

From the SMC console, configure the type of disk image to be generated during the migration

The SMC client transfers the source data to an intermediate ECS instance

The SMC backend service generates a target Alibaba Cloud image based on the migration source

Question No 3

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?

Choose the Choices:

The developer did not call AllocatePublicIpAdress (an additional API call), which is needed to assign a public IP

The CreateSecurityGroup API call was not made

The CreateDisk API call was not made

The ECS was not restarted after being created

Question No 4

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

Choose the Choices:

Question No 5

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?

Choose the Choices:

Manually install the Node.js in the Function Compute console

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

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

Start and verify the application in the Function Compute console

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