ACP-Cloud1 Exam Preparation Material | ACP Cloud Computing Certification

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Question#1

Alibaba Cloud will check source IP addresses that connect to ApsaraDB for RDS through the public internet. When Alibaba Cloud Situation Awareness detects an alert reporting “a seldom-used IP address connecting to the database,” which of the following is the safest way to handle this alert?

A. This alert does not matter and can be ignored

B. Log on to Alibaba Cloud console, modify the IP address whitelist for authorized access to RDS, and retain the IP addresses that need to connect to RDS

C. Modify the security group policies for ECS instances, and allow only specified IP addresses to connect to the server

D. Log on to RDS console, and view the SQL audit logs to check whether any destructive operation has been performed. If no, you do not need to handle the alert

Explanation:
The safest response to a seldom-used IP alert connecting to ApsaraDB for RDS is to adjust the IP whitelist to allow only trusted IP addresses. By limiting the IP addresses in the whitelist, unauthorized or unfamiliar IP addresses cannot access the database. This approach provides direct
control over access to RDS and minimizes potential security risks. Checking SQL audit logs (as suggested in option D) is useful but not sufficient on its own for a comprehensive security response.
Reference: Alibaba Cloud RDS Security Best Practices

Question#2

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies It supports adding an existing ECS instance into the scaling group but imposes certain requirements on instance region In this case, which of the following statements is true?

A. The instance and the scaling group must be in the same region and zone.

B. The instance and the scaling group must be in the same region but not necessarily the same zone.

C. Each scaling group can span up to two regions. After adding the ECS instance, the number of regions of all the ECS instances in the scaling group must be no greater than two.

D. The instance and the scaling group can be in different regions and zones.

Explanation:
According to the Alibaba Cloud documentation1, Auto Scaling is a service that automatically adjusts the number of elastic computing resources based on your business demands and policies. When the demand for computing resources increases, Auto Scaling automatically adds ECS instances to ensure sufficient computing capabilities. When the demand decreases, Auto Scaling automatically removes ECS instances to reduce costs.
Auto Scaling supports adding an existing ECS instance into the scaling group, but the instance must meet some requirements 1. One of the requirements is that the instance and the scaling group must be in the same region. However, they do not have to be in the same zone. A zone is a physical area within a region that has independent power grids and networks. A region is a geographic area where Alibaba Cloud deploys its resources. Therefore, the correct answer is B.
Reference: 1: Auto Scaling: Automatically Adjusts Computing Resources - Alibaba Cloud
2: Introduction to Auto Scaling - Alibaba Cloud Document Center

Question#3

Alibaba Cloud Content Delivery Network (CDN) is a distributed network that is built and overlaid on the bearer network. It is composed of edge node server clusters distributed across different regions.
The following steps ________________ are required when a user uses Alibaba Cloud CDN. (Choose
two.)

A. Refresh cache manually

B. Add domain name into "CDN Domain Name List"

C. Modify domain name resolution and direct it to the given CNAME

D. Activate CDN resource monitoring

Explanation:
To use Alibaba Cloud CDN, you must add your domain to the "CDN Domain Name List" and then modify the domain’s DNS settings to point to the CNAME provided by Alibaba Cloud. Manual cache refresh (option A) is optional and not a necessary step for initial setup, and while monitoring is useful, it is not required for CDN operation, so option D is also not essential.
Reference: Alibaba Cloud CDN Setup Guide

Question#4

Compared with traditional physical servers, upgrading an ECS instance is much easier.
Which of the following statements about upgrading an ECS instance is false?

A. You can upgrade the CPU, memory, and bandwidth.

B. Upgrading the configuration of the ECS instance requires no' redeployment or data migration.

C. Upgrading network bandwidth does not require the ECS instance to restart.

D. You can change an instance's operating system without rebooting.

Explanation:
Changing an instance’s operating system requires creating a custom image or using a public image, and then replacing the system disk of the instance. This process will cause the instance to restart. Therefore, this statement is false.
Reference: ECS User Guide: Replace the system disk (non-public image) and ECS User Guide: Replace the system disk (public image)

Question#5

The RDS master instance and read-only instance can be in different regions.

A. TRUE

B. FALSE

Explanation:
In Alibaba Cloud RDS, both the master and read-only instances must reside within the same region. Cross-region replication for RDS read-only instances is not supported, as RDS read replicas are designed for high availability and load balancing within a single region.
Reference: Alibaba Cloud RDS Region and Availability Zone

Exam Code: ACP-Cloud1
Q & A: 180 Q&As Updated: Oct 17,2026

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What This ACP-Cloud1 Study Resource Helps You Do

Review Key Concepts

Review the technologies, products, processes, and practical skills covered by the current ACP-Cloud1 exam objectives.

Practice Scenario-Based Questions

Work through independently developed questions designed to strengthen your understanding of technical scenarios and decision-making.

Identify Knowledge Gaps

Use your results and the provided explanations to find weaker areas and focus your study more effectively.

How to Use This ACP-Cloud1 Preparation Material

Review the Exam Scope

Start by reviewing the topics covered by the ACP-Cloud1 exam. Compare them with the official exam objectives to understand the required technologies, operational tasks, and practical skills, then identify the areas that deserve the most attention.

Practice Independently

Complete a focused set of practice questions for each topic. On your first attempt, avoid referring to notes, answers, or other study resources so that you can evaluate your current understanding more accurately.

Study the Explanations

Review the answers and explanations after completing each practice session. Understand why the correct option is appropriate for the given scenario and why the other options may be incorrect or less suitable.

Close Knowledge Gaps

Keep track of incorrect answers, unfamiliar concepts, and weaker knowledge areas. Review these topics using official documentation and practical experience, then answer the related questions again to reinforce your understanding and monitor your progress.

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Exam Code: ACP-Cloud1
Q & A: 180 Q&As
Updated: Oct 17,2026