Alibaba Cloud ACP-Cloud1 Practice Exams
Last updated on Oct 21,2026- Exam Code: ACP-Cloud1
- Exam Name: ACP Cloud Computing Certification
- Certification Provider: Alibaba Cloud
- Latest update: Oct 21,2026
For ECS and RDS instances under different Alibaba Cloud accounts but in the same region, which of the following statements is NOT correct for migrating self-built MySQL databases (running on ECS) to RDS?
- A . The data can be imported via the Intranet
- B . The data cannot be migrated.
- C . The data can be imported via the public network.
- D . The data can be imported by running mysqldump.
A
Explanation:
Data Transmission Service (DTS) is a real-time data streaming service that supports data transmission between data sources such as relational databases, NoSQL, and Big Data (OLAP). DTS supports data migration, data synchronization, and change data subscription scenarios. DTS can migrate your data to and from most of the widely used commercial and open source databases. It supports homogeneous migrations such as MySQL to MySQL, as well as heterogeneous migrations between different database platforms, such as Oracle to MySQL. Migrations can be from on-premises databases to RDS or ECS, databases running on ECS to RDS, or vice versa, as well as from one RDS database to another RDS database. DTS also supports migrating data between RDS instances of different Alibaba Cloud accounts, as long as they are in the same region 1. Therefore, the statement
B. The data cannot be migrated is NOT correct for migrating self-built MySQL databases (running on ECS) to RDS. The other statements are correct, as the data can be imported via the Intranet, the public network, or by running mysqldump234.
Reference: 1: Migrate Self-built Database to RDS – Alibaba Cloud
2: Migrating a Self-built MySQL Database to Alibaba Cloud RDS for MySQL with Minimal Downtime – Alibaba Cloud Community
3: Migrating Data from a Self-Managed SQL Server Database on an ECS to an ApsaraDB RDS for SQL Server Database
4: Migrate data between RDS instances of different Alibaba Cloud accounts,Data Transmission Service
When using Alibaba Cloud SLB, users can enable the health check function. If a backend ECS instance A is running abnormally, SLB will isolate it and forward the requests to other ECS instances, and when the backend ECS instance A is back to normal, SLB will again forward requests to it.
- A . TRUE
- B . FALSE
When you initiate a request via an Open API provided by Alibaba Cloud Elastic Compute Service (ECS), whether the request is initiated successfully or not, the server will return
______________________ as a unique identifier.
- A . Messageld
- B . Requestld
- C . Responseld
- D . Time stamp
B
Explanation:
In Alibaba Cloud ECS, whenever an API request is made, a unique identifier called the RequestId is generated and returned. This ID is generated regardless of the request’s success or failure. RequestId serves as a unique identifier for tracking and debugging specific requests within the ECS environment, allowing users to trace and troubleshoot individual API calls. This practice ensures that issues can be resolved more efficiently by tracking the specific request, and it is a common practice across many Alibaba Cloud services.
Reference: Alibaba Cloud ECS API Documentation
When creating a scaling group in Auto Scaling, there is one setting called “Removal policy.” Which of the following statements is true if the removal policy is set to “the earliest instance with the scaling configuration”?
- A . The earliest ECS instances created by Auto Scaling will be removed first
- B . The oldest ECS instances will be removed
- C . Only the earliest ECS instances created manually will be removed
- D . The earliest ECS instances added to the scaling group will be removed
A
Explanation:
When the removal policy is set to “the earliest instance with the scaling configuration,” Auto Scaling will prioritize removing the oldest ECS instances that were created by Auto Scaling. This policy helps manage and rotate instances that may have been running the longest, ensuring newer instances remain available to handle the current load. This approach is beneficial for maintaining cost-effectiveness and operational efficiency.
Reference: Alibaba Cloud Auto Scaling Group Management
As a technical employee at a startup company, you deploy static files such as images, and videos on the same ECS instance to provide services.
After some time, due to business growth, you find that those static files are using too much ECS diskspace.
To quickly address this issue, you should choose Alibaba Cloud_______.
- A . Server Load Balancer (SLB)
- B . Apsara DB for RDS
- C . Object Storage Service (oss)
- D . Auto Scaling
When forwarding layer 7 service requests using Alibaba Cloud SLB, if you have two domain names under a certain VIP, which are respectively vip.a.com and img.a.com. Now you want to activate session persistence for vip.a.com, but not for img.a.com.
To achieve this, you can select “Rewrite Cookie” mode when enabling session persistence on the console.
In this mode, you can set the cookie name in the response. Server Load Balancer will overwrite the original cookie when it discovers that a new cookie is set. The next time the client carries the new cookie to access the Server Load Balancer, the listener will distribute the request to the previously recorded backend server.
- A . TRUE
- B . FALSE
A
Explanation:
Alibaba Cloud SLB’s "Rewrite Cookie" mode allows selective session persistence for specific subdomains by setting and rewriting cookies as specified. For example, you can enable session persistence on vip.a.com while leaving img.a.com without it. SLB uses the rewritten cookie to direct subsequent requests to the previously assigned backend server.
Reference: Alibaba Cloud SLB Session Persistence
After creating Alibaba Cloud Elastic Compute Service (ECS) instances, Alibaba Cloud will provide free basic security services to help defend against attacks, including ________________. (Choose four.)
- A . Unexpected remote login
- B . Key management service
- C . DDoS attacks
- D . Brute-force password cracking
- E . Sensitive information leakage
A, C, D, E
Explanation:
Alibaba Cloud provides basic security services for ECS instances, which include protection against unexpected remote logins, DDoS attacks, brute-force password cracking, and alerts for potential sensitive information leakage. Key management services (KMS) are available but are not part of the free security services for ECS.
Reference: Alibaba Cloud ECS Security Services
You have set an alert policy for the disk usage of an ECS instance by using Alibaba Cloud CloudMonitor. Each measurement cycle lasts for 5 minutes, during which the average disk usage is measured. If the average disk usage exceeds 80% for five consecutive measurement cycles, an alert will be reported. After your average disk usage exceeds 80%, how long will it take to receive an alert?
- A . 0 minutes
- B . 30 minutes
- C . 40 minutes
- D . 20 minutes
B
Explanation:
With a measurement cycle of 5 minutes and a requirement for five consecutive cycles where disk usage exceeds 80%, it would take 5×5=255 times 5 = 255×5=25 minutes for CloudMonitor to confirm the condition. After confirmation, CloudMonitor typically processes and sends the alert, which may take an additional 5 minutes, totaling approximately 30 minutes before you receive the alert.
Reference: Alibaba Cloud CloudMonitor Alert Documentation
The backend server pool of an Alibaba Cloud SLB contains multiple ECS instances, which may have different service capacities. To exploit the different service capacities of backend ECS instances, which of the following statements is correct?
- A . Choose Weighted Round Robin mode to set higher weights to ECS instances with higher capacities The higher the weight of the backend ECS instance the higher chance that the instance will receive requests.
- B . SLB cannot assign more requests to certain ECS instances.
- C . Choose Round-Robin model and ECS instances with higher capacities will surely be assigned with more requests.
- D . Choose Weighted Least-Connection mode, and ECS instances with higher capacities will surely be assigned with more requests.
A
Explanation:
Weighted Round Robin (WRR) is a load balancing mode that assigns requests to backend ECS instances based on their weights. The higher the weight of the backend ECS instance, the higher the chance that the instance will receive requests. This mode can exploit the different service capacities of backend ECS instances by setting higher weights to ECS instances with higher capacities. For example, if there are two ECS instances in the backend server pool, one with a weight of 10 and the other with a weight of 20, the ECS instance with a weight of 20 will receive twice as many requests as the ECS instance with a weight of 10.
Reference: 1: SLB overview – Server Load Balancer – Alibaba Cloud Documentation Center
4: Server Load Balancer – Alibaba Cloud
5: Alibaba Server Load Balancer (SLB) Course – Cloud Academy
AVirtual Private Cloud (VPC) is an isolated network environment that is completely isolated from each other. The following statements about VPC are correct______. (Number of correct answers: 2)
- A . Each VPC has an independent tunnel ID, and a tunnel ID corresponds to a virtualized network.
- B . Subnets can be divided like the traditional network environment. Different cloud servers within each subnet are connected by the same router, and different subnets are interconnected by switches.
- C . The internal networks of different VPCs are completely isolated and can be interconnected through IP addresses mapped to the outside.
- D . ECS instances in a VPC use security group firewalls for Layer 2 network access control.