Free Alibaba Cloud ACA-Developer Exam Dumps Questions & Answers

You have an application with the following requirements:
7. There will be a lot of video content that need to be uploaded.
2. Each uploaded video needs to be preprocessed to provide different video resolutions and quality levels to accommodate different devices and network conditions.
3. It should be possible to process video in parallel at scale, to ensure that videos are preprocessed in a reasonable amount of time.
Which of the following Alibaba Cloud applications can be combined to provide a low operation and maintenance burden and relatively low operating costs? (Number of correct answers: 3)

• A.  Serverless Workflow
• B.  Server Load Balancer (SLB)
• C.  Log Service
• D.  Function Compute
• E.  Elastic Compute Service (ECS)

A certain project of Enterprise A (called Project-X) moves to the cloud and will need to use a variety of s Alibaba Cloud resources, such as ECS instances, RDS instances, SLB instances, and OSS storage space. There are multiple employees on the project who need to operate these cloud resources. Because each employee has different job responsibilities and requires different permissions, what is the WRONG approach to resource management?

• A.  When there are multiple RAM users under a cloud account, create user groups to classify and authorize RAM users with the same responsibilities
• B.  When creating RAM for users, give each user both web console AND AccessKey credentials: there is no need to keep these separate
• C.  Use system policies to bind reasonable permissions policies to users or user groups, and customize policies for more fine-grained control
• D.  Create RAM users each employee, and set login passwords or create AccessKey credentials as needed

Alibaba Cloud Content Delivery Network (CDN) is a suitable product for the following scenarios: (Number of correct answers: 2)

• A.  Images, HTML, CSS and JS files on a medium-sized E-commerce website.
• B.  BBS forums with less than 100 daily page views.
• C.  News websites with more than 30 million daily page views and users are all from Singapore.
• D.  Static sites with more than 100,000 daily page views.

Alibaba Cloud Log Service is a Pay-As-You-Go service. The billing unit is 7 day, and the configuration can be adjusted at any time: fees are charged according to actual usage. Which of the following are the main charges for Log Service? (Number of correct answers: 3)

• A.  Query analysis
• B.  Read and write traffic
• C.  Storage capacity
• D.  Index traffic after index configuration

Alibaba Cloud's ECS disk snapshotting tool can create crash-consistent snapshots for all types of Cloud Disks.
It is a convenient and efficient disaster recovery method. It is often used for data backup, custom mirroring, application disaster recovery, etc. Which of the following is NOT a correct description of disk snapshots?

• A.  Snapshot rollbacks can be performed while the ECS instance is running.
• B.  Snapshots can be created manually through the web console or command line tools, or automatically according to a schedule.
• C.  In the event of a system failure, you can use a snapshot to roll back the Cloud Disk to an earlier point in time.
• D.  A snapshot is a backup file of the cloud disk data state at a certain point in time. The first snapshot of the cloud disk is a full snapshot of the ac usage. Empty data blocks are not backed up. All subsequent snapshots are incremental snapshots, and only changed data blocks are stored.