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  • [2025年04月] 問題集簡単概要ACP-Cloud1試験問題GoShiken [Q53-Q78]

[2025年04月] 問題集簡単概要ACP-Cloud1試験問題GoShiken [Q53-Q78]

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[2025年04月] 問題集簡単概要ACP-Cloud1試験問題GoShiken

ACP-Cloud1トレーニング認証最新版をゲットAlibaba Cloud Computing


ACP-Cloud1試験は、候補者の実践的なスキルと理論的知識をテストするように設計されています。この試験は、現実世界の問題を解決するために知識を適用する候補者の能力を評価する方法で構成されています。試験形式は、複数選択の質問で構成されており、試験の期間は90分です。 ACP-Cloud1試験に合格した候補者は、世界中の雇用主によって認識されているクラウドコンピューティングの能力を示す認定を受けます。この認定は、専門家がキャリアを前進させ、クラウドコンピューティングの競争分野でより多くの機会を得るのに役立ちます。


Alibaba Cloudは、世界の主要なクラウドサービスプロバイダーの1つであり、企業や個人に幅広いクラウドコンピューティングソリューションを提供しています。専門家がAlibaba Cloud Servicesを効果的に利用するために必要なスキルと知識を備えていることを保証するために、同社はACP-Cloud1（ACP Cloud Computing Professional）として知られる認定プログラムを提供しています。


Alibaba Cloud ACP-Cloud1：ACP Cloud Computing Professionalは、クラウドコンピューティングの分野での個人の知識とスキルを検証する試験です。この試験は、クラウドコンピューティングの専門知識を実証し、雇用市場で競争力を獲得したい専門家向けに、Alibaba Cloudによって設計されています。 ACP-Cloud1試験では、クラウドコンピューティングアーキテクチャ、セキュリティ、管理、運用などの重要なトピックをカバーしています。

 

質問 # 53
When a customer uses Alibaba Cloud Object Storage Service (OSS) service and finds there exist an amount of Internet downstream traffic, he/she can use Alibaba Cloud Content Delivery Network (CDN) service to reduce the traffic cost.
Because the Internet traffic cost of CDN is lower than that of OSS, moreover, the back-to-source traffic cost from CDN to OSS is also lower than a user access to OSS directly.

  • A. True
  • B. False

正解：A

解説：
Alibaba Cloud Content Delivery Network (CDN) is a distributed network that delivers content to users based on their geographic locations. CDN can reduce the latency and improve the user experience of accessing content from the Internet. CDN can also reduce the Internet downstream traffic of OSS by caching the content in the edge nodes of CDN. The Internet traffic cost of CDN is lower than that of OSS, and the back-to-source traffic cost from CDN to OSS is also lower than a user access to OSS directly. Therefore, using CDN can reduce the traffic cost of OSS. References: Object Storage Service (OSS) - Alibaba Cloud, Storage Services Overview:OSS - Alibaba Cloud, Introduction to Object Storage Service - Alibaba Cloud, Object Storage Service(OSS): Store Data Safely In The Cloud


質問 # 54
Alibaba Cloud SLB can distribute user requests to backend ECS instances. These ECS instances must have the same specification (CPU, Memory)

  • A. True
  • B. False

正解：B

解説：
Alibaba Cloud SLB can distribute user requests to backend ECS instances, but these ECS instances do not have to have the same specification (CPU, Memory). SLB virtualizes the added group of ECS instances in the same region into an application pool, and you can manage backend servers through either the default server group, a primary server group, or VServer groups. You can add ECS instances of different specifications to the same server group or VServer group according to your needs. SLB supports weighted round-robin (WRR) and weighted least connections (WLC) algorithms to balance the load among backend servers with different weights. References:
* SLB overview - Alibaba Cloud
* Backend server overview - Alibaba Cloud
* What is Server Load Balancer and How It Works - Alibaba Cloud
* Server Load Balancer - Alibaba Cloud
* Alibaba Server Load Balancer (SLB) Course - Cloud Academy


質問 # 55
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 but not necessarily the same zone.
  • B. The instance and the scaling group can be in different regions and zones.
  • C. The instance and the scaling group must be in the same region and zone.
  • D. 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.

正解：A


質問 # 56
When you create an Alibaba Cloud VPC. a VRouter and a route table will be created automatically. Which of the following statements is NOT correct about the route table?

  • A. This route table cannot be deleted
  • B. Each VRouter may have multiple route tables.
  • C. When a VPC is deleted, the corresponding route table is also deleted.
  • D. The routing entries of the route table can not be modified manually.

正解：D

解説：
Explanation
A route table is a set of rules that determine how network traffic is routed within a VPC or between different network instances1. A VRouter is a hub that connects all VSwitches in the same VPC and enables communication between them2. When you create a VPC, a VRouter and a default route table are automatically created for the VPC1. The default route table contains system routes that are automatically generated by the system based on the network topology1. The system routes cannot be modified or deleted1.
However, you can also create custom route tables for your VPC and add custom routes to them1. Custom routes are manually configured by users to route traffic to specific destinations, such as other VPCs, VBRs, VPN Gateways, or NAT Gateways1. Custom routes can be modified or deleted as needed1. You can also associate VSwitches with different route tables to implement fine-grained routing control1.
Therefore, the statement that the routing entries of the route table can not be modified manually is not correct, as it only applies to system routes, not custom routes. The other statements are correct, as each VRouter may have multiple route tables, one default and several custom1; when a VPC is deleted, the corresponding route table is also deleted3; and the default route table cannot be deleted1. References: Route table overview - Virtual Private Cloud - Alibaba Cloud Documentation Center, VRouter overview - Virtual Private Cloud - Alibaba Cloud Documentation Center, Delete a VPC - Virtual Private Cloud - Alibaba Cloud Documentation Center


質問 # 57
A startup video streaming company deploys its service on Alibaba Cloud Elastic Compute Service (ECS) Christmas is coming soon and the CEO knows that they need to prepare more computing resources However, they don't want to purchase a large number of Elastic Compute Service (ECS) instances tor a long period of time. Instead, they want to buy ECS instances for a short period of time and release them after the event is over. Which of the following billing methods of ECS is the most suitable?

  • A. Subscription with Reserved Instances
  • B. Pay-As-You-Go with Reserved Instances
  • C. Pay-As-You-Go Only
  • D. Pay-As-You-Go with Savings Plan

正解：C

解説：
Explanation
Pay-As-You-Go is a billing method that allows you to pay for resources after you use them. You are billed based on the actual usage of resources, such as the number of hours that an ECS instance runs or the amount of data that is transferred. Pay-As-You-Go is suitable for scenarios where the demand for resources is unpredictable, flexible, or short-term1. Pay-As-You-Go has the following advantages for the startup video streaming company:
No upfront payment: The company does not need to pay any fees in advance when they purchase ECS instances. They only pay for the resources that they actually use, which can help them save costs and optimize their cash flow1.
Flexible scaling: The company can easily scale up or down their ECS instances based on the actual demand for their service. They can add more ECS instances during peak hours or events, such as Christmas, and release them when the demand drops. They can also change the configurations of their ECS instances at any time, such as upgrading the CPU, memory, or bandwidth1.
No long-term commitment: The company does not need to commit to a long-term contract or subscription when they use Pay-As-You-Go. They can release their ECS instances at any time without incurring any penalties or fees. They can also switch to other billing methods, such as Subscription or Savings Plan, if their business needs change1.
The other billing methods of ECS are not as suitable as Pay-As-You-Go for the company's scenario, for the following reasons:
Pay-As-You-Go with Reserved Instances: Reserved Instances are a type of discount coupon that can be used to deduct a portion of the fees incurred by Pay-As-You-Go instances that match the attributes of the Reserved Instances, such as region, zone, instance type, and operating system2. Reserved Instances require upfront payment and have a fixed term of one year or three years. They are suitable for scenarios where the demand for resources is stable and predictable, and where the user wants to enjoy lower prices than Pay-As-You-Go2. However, for the company's scenario, Reserved Instances are not a good option, because they do not need to purchase a large number of ECS instances for a long period of time, and they want to have more flexibility and scalability in their resource management.
Subscription with Reserved Instances: Subscription is a billing method that allows you to pay for resources in advance for a specific period of time, such as one month, one year, or three years. You are billed based on the specifications and duration of the resources that you purchase, regardless of whether you use them or not. Subscription is suitable for scenarios where the demand for resources is stable and long-term, and where the user wants to enjoy lower prices than Pay-As-You-Go3. Subscription with Reserved Instances can further reduce the cost of Subscription instances by applying the Reserved Instances discounts to them2. However, for the company's scenario, Subscription with Reserved Instances are not a good option, because they do not want to pay for resources in advance or commit to a long-term contract, and they want to have more flexibility and scalability in their resource management.
Pay-As-You-Go with Savings Plan: Savings Plan is a billing method that allows you to commit to a consistent amount of usage (measured in USD/hour) for a one-year or three-year term, and in exchange, receive a lower price for that usage4. Savings Plan can be applied to any Pay-As-You-Go instances that match the attributes of the Savings Plan, such as region, instance family, or operating system4. Savings Plan is suitable for scenarios where the demand for resources is stable and predictable, and where the user wants to enjoy lower prices than Pay-As-You-Go and more flexibility than Subscription4.
However, for the company's scenario, Savings Plan is not a good option, because they do not want to commit to a consistent amount of usage for a long period of time, and they want to have more flexibility and scalability in their resource management.
References: Pay-As-You-Go - Elastic Compute Service - Alibaba Cloud, Reserved Instances - Elastic Compute Service - Alibaba Cloud, Subscription - Elastic Compute Service - Alibaba Cloud, Savings Plan - Elastic Compute Service - Alibaba Cloud


質問 # 58
Company F launched a new App and put the installation package (size: 6 MB) on its official website (hosted on Elastic Compute Service (ECS)). Initially, the download speed was acceptable. However, due to an advertising event on CCTV last week, the number of installation package downloads drastically increased, resulting in poor user experience and a significant increase in ECS bandwidth cost.
Company F can select Alibaba Cloud ______________ service to solve download speed and bandwidth cost problems at the same time.

  • A. Object Storage Service (OSS) + Auto Scaling
  • B. Object Storage Service (OSS) + Content Delivery Network (CDN)
  • C. Object Storage Service (OSS) + ApsaraDB for RDS
  • D. Auto Scaling + Elastic Compute Service (ECS) instance

正解：B

解説：
To handle high download traffic efficiently, Company F can use Object Storage Service (OSS) to store the installation package and Content Delivery Network (CDN) to distribute it. OSS provides scalable, low-cost storage, while CDN caches content at edge nodes, reducing the load on the ECS instance and improving download speeds for users. This combination helps control bandwidth costs on ECS and provides faster download speeds by serving content closer to end-users.


質問 # 59
When adopting cloud computing and taking advantage of its convenience, you will also face challenges in information security.
Using cloud computing does not increase security risks, but your active engagement is still a must. Which of the following is not included in the security principles recommended by Alibaba Cloud?

  • A. Users should keep the same O&M methods
  • B. Users have the same security management responsibility
  • C. Users have the same security management standards
  • D. Users should keep the same data attribution

正解：A

解説：
In cloud environments, Alibaba Cloud emphasizes that security responsibilities, data ownership (data attribution), and security standards remain with the user. However, O&M (Operations and Maintenance) methods often change due to the distinct management tools, automated processes, and distributed nature of cloud infrastructure. Cloud environments typically use different O&M approaches, so option D is not aligned with Alibaba Cloud's security principles.


質問 # 60
You are using Auto Scaling with one scaling group already created, then you want to execute a task at a specific time such as removing 1 ECS instance every night at 00:00. To achieve this, which of the following operations should be performed'? (Number of correct answers; 2)

  • A. Create a scheduled task.
  • B. Create a new scaling group.
  • C. Create a scaling rule
  • D. Create an event-triggered task.

正解：A、C

解説：
Explanation
To execute a task at a specific time such as removing 1 ECS instance every night at 00:00, you need to perform two operations: create a scaling rule and create a scheduled task. A scaling rule is a set of instructions that defines how Auto Scaling scales computing resources in response to changes in business load. A scheduled task is a type of scaling task that can execute a specified scaling rule at a specified time. By creating a scaling rule that removes 1 ECS instance from the scaling group, and creating a scheduled task that executes this scaling rule every night at 00:00, you can achieve the desired result. You do not need to create a new scaling group, because you already have one scaling group created. You also do not need to create an event-triggered task, because this type of scaling task is triggered by events such as Cloud Monitor alarms or API calls, not by a specific time. References: 1, 2, and 3.


質問 # 61
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 public network.
  • B. The data can be imported via the Intranet
  • C. The data cannot be migrated.
  • D. The data can be imported by running mysqldump.

正解：D


質問 # 62
When using Alibaba Cloud SLB. you can set different weights for backend ECS instances The higher the weight of a backend ECS instance the more load will be assigned to it An SLB instance has 5 ECS instances in the backend server pool, all of which are healthy Among these 5 ECS instances, the weight of ecs_inst1 is set to 100. Which of the following statements is correct?

  • A. Based on request level parameters of external requests, all requests with a request level parameter of
    100 will be transferred to ecs_inst1
  • B. Based on SLB's working mechanism, approximately 20% of loads will be assigned to ecs_inst1
  • C. 100% of loads will be assigned to ecs__inst1, and the remaining 4 ECS instances will stay idle
  • D. We do not know the weight settings of the remaining 4 ECS instances, so we cannot tell what would happen

正解：D

解説：
When using Alibaba Cloud SLB, you can set different weights for backend ECS instances. The higher the weight of a backend ECS instance, the more load will be assigned to it. However, the load distribution is not based on the absolute value of the weight, but on the proportion of the weight in the total weight of all healthy backend ECS instances. For example, if there are two healthy backend ECS instances with weights of 100 and
200 respectively, the first instance will receive 33.3% of the load, and the second instance will receive 66.7% of the load. Therefore, to determine the load distribution of the 5 ECS instances in the question, we need to know the weight settings of the remaining 4 ECS instances. Without this information, we cannot tell what would happen. The other options are incorrect because they are based on wrong assumptions or misunderstandings of the SLB weight setting mechanism.


質問 # 63
You have created two Alibaba Cloud VPCs in two different regions To establish communication between these two VPCs via the Intranet, you can________.

  • A. Create a new access rule through the Security Group to enable the communication
  • B. Use the VRouter to create a new route table to enable the communication
  • C. Use CEN to establish communication between VPCs
  • D. No operation is needed, as VPCs under the same account are connected through the Intranet by default

正解：C


質問 # 64
Which of the following ports does RDS for MySQL listen on by default?

  • A. Port 3306
  • B. Port 3600
  • C. Port 8080
  • D. Port 3060

正解：A


質問 # 65
Different Alibaba Cloud VPCs are completely isolated from each other.
By default, the VPCs cannot communicate with each other over Intranet, but you can establish VPN connections via the Internet to achieve interconnection between VPCs.

  • A. True
  • B. False

正解：B

解説：
Different Alibaba Cloud VPCs are completely isolated from each other by default, but they can communicate with each other over the intranet by using different methods, such as Cloud Enterprise Network (CEN), VPN gateways, VPC peering connections, and PrivateLink. These methods allow you to establish secure and reliable connections between VPCs without exposing your network traffic to the internet. References:
* Overview of VPC connections - Alibaba Cloud
* Cross-VPC peering - Alibaba Cloud
* ALIYUN::VPC::VpcPeerConnection - Alibaba Cloud


質問 # 66
Alibaba Cloud provides comprehensive security protection covering networks, hosts, applications, databases, and content for on-cloud clients. Users using Alibaba Cloud services only need to focus on their own services, without the need to pay any attention to security protection issues.

  • A. True
  • B. False

正解：B


質問 # 67
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. Choose Round-Robin model and ECS instances with higher capacities will surely be assigned with more requests.
  • C. SLB cannot assign more requests to certain ECS instances.
  • D. Choose Weighted Least-Connection mode, and ECS instances with higher capacities will surely be assigned with more requests.

正解：A

解説：
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.
References:
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


質問 # 68
You need to create a new ECS instance for a 10-data test. Which of the following billing methods is most cost-effective?

  • A. Subscription
  • B. Pay-AS-You-Go with Savings Plan
  • C. Preemptible
  • D. Pay-As-You-Go

正解：B

解説：
Explanation
According to the Alibaba Cloud ECS documentation1, the Pay-As-You-Go billing method is flexible and suitable for short-term or uncertain workloads. However, it is also the most expensive option compared to other billing methods. To reduce the cost of Pay-As-You-Go instances, you can purchase a Savings Plan, which is a discount plan that offers lower prices for a fixed amount of hourly usage. A Savings Plan can be applied to any Pay-As-You-Go instance in the same region, regardless of the instance type, operating system, or zone. Therefore, option A is the most cost-effective billing method for a 10-day test, as it allows you to enjoy the flexibility of Pay-As-You-Go and the savings of a fixed commitment. References: Billing methods and Savings Plan.


質問 # 69
Many websites have suffered DDoS attacks of different volumes. Therefore, accurate understanding of DDoS attacks is critical to website security protection. Which of the following statements about DDoS attacks is the MOST accurate?

  • A. The purpose of a DDoS attack is to steal confidential information.
  • B. A DDoS attacks crack the server's logon password by means of a massive number of attempts.
  • C. DDoS attacks primarily target databases.
  • D. The main purpose of a DDoS attack is to prevent the target server from providing normal services. Currently, the DDoS attack is one of the strongest and most indefensible website attacks.

正解：D


質問 # 70
Distributed computing breaks down a task into many small parts, then assigns these parts to multiple computing nodes, and eventually puts these computing results together to form the final outcome.

  • A. TRUE
  • B. FALSE

正解：A

解説：
This is a correct description of distributed computing, where a large task is divided into smaller tasks, distributed across multiple nodes, and later recombined to produce the final result. Distributed computing is widely used to handle large-scale computations and improve processing efficiency.


質問 # 71
Which of the following statements about an OSS bucket is NOT correct?

  • A. Every bucket must have a unique name.
  • B. There is no limitation on the number of objects inside a bucket.
  • C. The bucket name can be changed after creation.
  • D. Every user can create more than one bucket.

正解：C

解説：
In Alibaba Cloud Object Storage Service (OSS), once a bucket is created, its name cannot be changed. This rule aligns with OSS's design to ensure global uniqueness and consistency in bucket naming across regions.
Users can create multiple buckets, and each bucket can store an unlimited number of objects, provided the bucket name remains unique and immutable after creation.


質問 # 72
The effect of CDN is highly related to the scenario in which it is used. _______________________ is not an applicable scenario to use CDN.

  • A. Personal netdisk service having low repeated access rate
  • B. Short video delivery website
  • C. Pure static enterprise website
  • D. Application download site

正解：A

解説：
CDN is most effective for scenarios with high repetitive access, where content is frequently requested and can be cached, such as static websites, video delivery, and application download sites. In contrast, a personal netdisk service typically involves unique, private files with low repeat access rates, making CDN less effective since the content is unlikely to be accessed by multiple users frequently, thus reducing the benefit of caching.


質問 # 73
You are using Auto Scaling with one scaling group already created, then you want to execute a task at a specific time such as removing 1 ECS instance every night at 00:00. To achieve this, which of the following operations should be performed'? (Number of correct answers; 2)

  • A. Create a scaling rule
  • B. Create an event-triggered task.
  • C. Create a new scaling group.
  • D. Create a scheduled task.

正解：C


質問 # 74
Object Storage Service (OSS) supports sub accounts, and you can allocate access permissions to different buckets for each sub account.

  • A. True
  • B. False

正解：B


質問 # 75
When creating an ECS instance in your Alibaba Cloud VPC, you must specify a VSwitch for that instance at the same time. Otherwise, you will not be able to create this ECS instance.

  • A. True
  • B. False

正解：A


質問 # 76
All RDS for MySQL backups are full backups.

  • A. True
  • B. False

正解：A


質問 # 77
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. This service can automatically adjust ___________.

  • A. Stateless and idempotent
  • B. Stateless and horizontally scalable
  • C. All data is locally stored on ECS instance disks
  • D. Stateful

正解：B

解説：
Auto Scaling in Alibaba Cloud is designed to automatically adjust resources, such as ECS instances, based on the demand and scaling policies. This works best with applications that are stateless and horizontally scalable, as these applications do not rely on data stored locally on an instance, allowing them to scale in and out without affecting performance or user experience. Statelessness and horizontal scalability allow Auto Scaling to manage ECS instances efficiently without manual intervention.


質問 # 78
......

認証トレーニングACP-Cloud1試験問題集テストエンジン：https://www.goshiken.com/Alibaba-Cloud/ACP-Cloud1-mondaishu.html

Alibaba Cloud Computing ACP-Cloud1リアル試験問題と解答無料最新になります：https://drive.google.com/open?id=15kNOAAQlGamOe09Vuw62_8bcPcG8hBEg

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