The Alibaba Cloud Certified Associate certification includes the ACA Cloud Computing Associate exam, and ACA-Cloud1 is the exam code for this track. It is designed for candidates who want to validate their understanding of core Alibaba Cloud services and basic cloud concepts. This exam matters for learners and professionals who want to build a strong foundation in cloud computing with Alibaba Cloud. It is a practical step for anyone preparing to support, deploy, or manage essential cloud resources.
| # | Exam Topics | Sub-Topics | Approximate Weightage (%) |
|---|---|---|---|
| 1 | ECS | Instance basics, deployment options, storage and networking, common use cases | 20% |
| 2 | Auto Scaling | Scaling policies, triggers, resource adjustment, high availability planning | 12% |
| 3 | Server Load Balancer | Traffic distribution, listener setup, backend server groups, service availability | 12% |
| 4 | Object Storage Service (OSS) | Buckets and objects, storage classes, upload and download operations, permissions | 16% |
| 5 | Relation Database (RDS) | Database basics, instance management, backups, reliability and performance features | 16% |
| 6 | Alibaba Cloud Security services and CloudMonitor | Security monitoring, alerts, basic protection concepts, resource and performance tracking | 14% |
| 7 | General knowledge about Cloud Computing | Cloud models, shared responsibility, basic terminology, deployment and service concepts | 10% |
| Total | 100% | ||
The ACA-Cloud1 exam tests how well candidates understand fundamental Alibaba Cloud services and how these services work together in real scenarios. It checks practical knowledge, service selection, basic configuration awareness, and the ability to recognize the right solution for common cloud tasks. Candidates should expect questions that measure both service familiarity and general cloud concepts rather than deep advanced architecture.
QA4Exam.com provides an Exam PDF with actual questions and answers plus an Online Practice Test for focused preparation. The practice test helps you experience a real exam-style environment, so you can build confidence and improve time management before test day. The content is updated to reflect current exam needs, and the verified answers help you review the correct choices faster. With both formats, you can study efficiently, identify weak areas, and prepare to pass the Alibaba ACA-Cloud1 exam on your first attempt.
This exam is meant for candidates who want to earn the Alibaba Cloud Certified Associate credential and prove basic knowledge of Alibaba Cloud services and cloud computing concepts.
It is an associate-level exam, so it is generally manageable with proper study, service familiarity, and practice on the main topics covered in ACA-Cloud1.
Braindumps alone are not the best approach. You should use them with review and practice so you understand the question patterns, verify answers, and reinforce the core concepts.
Hands-on exposure is helpful because the exam includes core services like ECS, OSS, RDS, Auto Scaling, and CloudMonitor. Practical familiarity makes it easier to understand how the services are used.
The Exam PDF and Online Practice Test from QA4Exam.com are strong preparation tools because they include actual questions and answers, but the best results come from combining them with topic review and repeated practice.
The Online Practice Test is designed to simulate the exam experience, helping you practice question flow, answer selection, and time management in a realistic format.
Verified answers help you avoid confusion, review the correct solution faster, and build confidence that your preparation is based on reliable material.
Your friend purchases some Alibaba Cloud resources and uses them to build an online training website. Before the site goes online, your friend wants to perform some performance tests but doesn't know how to do it. In this case, which of the following services can help?
Load and Performance Testing Service (LPTS) is a service that helps users to test the performance and stability of their websites, applications, or servers under different load conditions. LPTS can simulate a large number of concurrent users and requests, and generate detailed reports on the response time, throughput, error rate, and other metrics of the target system. LPTS can help users to identify and resolve performance bottlenecks, optimize resource utilization, and ensure the reliability and availability of their online services.Reference:Load and Performance Testing Service - Alibaba Cloud Academy, Load and Performance Testing Service - Alibaba Cloud Documentation Center
A company uses Alibaba Cloud SLB and Auto Scaling at the same time, hoping this combination can help save O&M cost and provide a stable and reliable system.
However, because they do not have relevant experience, the company's engineers listed some precautions based on their understanding, and turned the list to you for advice.
As an expert of Alibaba Cloud, you tell them only________is correct.
SLB and Auto Scaling are two Alibaba Cloud services that can work together to provide high availability, scalability, and performance for your applications. SLB is a load balancing service that distributes incoming traffic across multiple ECS instances. Auto Scaling is a service that automatically adjusts the number of ECS instances based on your business needs. When you use SLB and Auto Scaling together, you need to follow some best practices and precautions to ensure the optimal performance and reliability of your system.One of the precautions is that SLB instances must have Health Check enabled, or they cannot be used together with Auto Scaling1. Health Check is a feature of SLB that monitors the health status of the backend ECS instances. If an ECS instance becomes unhealthy or fails, SLB automatically stops sending traffic to that instance and redirects the traffic to other healthy instances. This ensures that your application can continue to serve user requests without interruption. Health Check is also essential for Auto Scaling, because Auto Scaling relies on the health status reported by SLB to decide whether to add or remove ECS instances. If an ECS instance is unhealthy, Auto Scaling will automatically replace it with a new one. If the traffic increases and the average health status of the ECS instances decreases, Auto Scaling will automatically add more instances. If the traffic decreases and the average health status of the ECS instances increases, Auto Scaling will automatically remove some instances. Therefore, Health Check is a prerequisite for using SLB and Auto Scaling together. If you disable Health Check, SLB and Auto Scaling will not be able to communicate with each other and coordinate their actions. This may result in performance degradation, service interruption, or resource waste. The other options are incorrect, because they are not necessary or relevant for using SLB and Auto Scaling together. The backend ECS instances under the same SLB instance can have different operating systems, configurations, and scaling groups, as long as they can provide the same service and respond to the same requests. SLB and Auto Scaling do not impose any restrictions on these aspects of the ECS instances.Reference:Associate SLB instances with or disassociate SLB instances from a scaling group
Company builds a music download website based on OSS and ECS, and users can download mp3 files
after registering for the website. Recently, the public network traffic to the OSS has doubled but the increase of registered users is less than 10%. After in-depth analysis, engineers find that many user download requests are raised from search engine but not the website itself. In this case, which of the following measures is thought to be able to address this issue.
The issue that Company B faces is that their music files stored in OSS are being downloaded by unauthorized users who access them through search engines, rather than through their website. This is called leeching, which is a form of bandwidth theft that consumes the OSS traffic and increases the cost for Company B. To address this issue, Company B can limit the access sources by configuring the ''Anti-leech settings'' of OSS bucket attributes. Anti-leech settings allow the bucket owner to specify a referer whitelist, which is a list of domain names that are allowed to access the OSS resources. The referer is a part of the HTTP header that indicates the source URL of the request. By setting a referer whitelist, Company B can prevent leeches from accessing their music files directly from search engines or other websites, and only allow access from their own website domain name. This way, Company B can protect their OSS resources from unauthorized access and reduce their OSS traffic costs. The other options are not effective or relevant for addressing the issue. Migrating music files from OSS to data disks for ECS instances would increase the storage and computing costs for Company B, and also reduce the scalability and availability of their music files. Changing the website access mode to HTTPS would enhance the security and encryption of the website, but it would not prevent leeches from accessing the OSS resources through search engines. Introducing SLB for extra protection would improve the load balancing and high availability of the ECS instances, but it would not affect the access control of the OSS resources.Reference:OSS Anti-Leech Referer Configuration and Error Elimination
Alibaba Cloud OSS is a cloud storage service that features massive capacity, outstanding security, low cost, and high reliability. To control the access to the files stored on OSS, OSS provides multiple access permissions for each bucket. These bucket permissions are . (Choose three.)
According to the Alibaba Cloud Academy, Alibaba Cloud OSS is a cloud storage service that features massive capacity, outstanding security, low cost, and high reliability. To control the access to the files stored on OSS, OSS provides multiple access permissions for each bucket. These bucket permissions are:
Public-read-write: Anyone, including anonymous users, can perform read and write operations on the objects in the bucket. The owner of the bucket is charged for the requests and traffic generated by these operations. This permission poses a high security risk and is not recommended.
Public-read: Only the owner of the bucket and authorized RAM users can perform write operations on the objects in the bucket. Anyone, including anonymous users, can perform read operations on the objects in the bucket. The owner of the bucket is charged for the requests and traffic generated by these operations.
Private: Only the owner of the bucket and authorized RAM users can perform read and write operations on the objects in the bucket. Other users, including anonymous users, are denied access to the objects in the bucket unless they have been granted temporary access permissions by the bucket owner or authorized RAM users.
Therefore, the options B, C, and D are the correct answers that describe the bucket permissions in OSS.Reference:OSS Security - Alibaba Object Storage Service Course - Cloud Academy,OSS Concepts - Alibaba Cloud Documentation Center
Alibaba Cloud does not support Intranet communication between products that are not in the same region, which does not mean ?
Alibaba Cloud does not support intranet communication between products that are not in the same region, which means that ECS instances in different regions cannot communicate with each other on the intranet, and ECS instances and other products in different regions, such as ApsaraDB for RDS and OSS instances, cannot communicate with each other on the intranet. However, this does not mean that Server Load Balancer cannot be deployed for ECS instances in various regions. Server Load Balancer is a service that distributes traffic among multiple ECS instances according to the configured forwarding rules. It can be used to balance the load and improve the service availability and fault tolerance of applications.Server Load Balancer supports cross-region deployment, which means that it can distribute traffic to ECS instances in different regions12.Reference:1: ACA Cloud Computing Exam Preparation Course - Alibaba Cloud32: Server Load Balancer - Alibaba Cloud Documentation Center4
Full Exam Access, Actual Exam Questions, Validated Answers, Anytime Anywhere, No Download Limits, No Practice Limits
Get All 72 Questions & Answers