Alibaba Cloud ACA System Operator Certification ACA-Operator Exam Dumps: Updated Questions & Answers (October 2025)

EmptyDir

NFS

ConfigFile

FixedVolume

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

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

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

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

You can manually create snapshots

You can create automatic snapshots

You can roll back a disk by using a snapshot

You can create an ECS instance from a snapshot

NAT Gateway

Smart Access Gateway (SAG)

VPN Gateway

Content Delivery Network (CDN)

Custom Events is used for collection of continuous event type data, queries, and alarms

Custom Events is for periodic and continuous collection of time series monitoring data, queries, and alarms

Custom Monitoring is used for periodic and continuous collection of time series monitoring data, queries, and alarms

Custom Monitoring is used for collection of non-continuous event data, such as information about ECS instance restarts

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

True

False

True

False

True

False

terraform init

terraform plan

terraform destroy

terraform apply