ACP-Cloud1関連合格問題、ACP-Cloud1専門知識内容

これらの2つの特性により、ACP-Cloud1ガイドトレントを使用するほぼすべての候補者が一度にテストに合格できることがわかります。これは自己決定ではありません。統計によると、当社のACP-Cloud1ガイドトレントは98％〜99％の高い合格率を達成しており、これは他のすべてをかなり上回る程度です。同時に、ACP-Cloud1テストトレントが毎日更新されるかどうかを確認する専門スタッフがいます。メールでお問い合わせいただく場合でも、オンラインでお問い合わせいただく場合でも、できるだけ早く問題を解決できるようサポートいたします。心配する必要はまったくありません。

Alibaba Cloud ACP-Cloud1（ACP Cloud Computing Professional）試験は、クラウドコンピューティングに関する個人のスキルと知識を検証する認定プログラムです。Alibaba Cloudは世界をリードするクラウドサービスプロバイダーの一つであり、この認定プログラムは、個人がAlibaba Cloudの技術とサービスに精通していることを証明する機会を提供します。ACP-Cloud1試験は、アーキテクチャ、展開、セキュリティ、運用、メンテナンスなど、クラウドコンピューティングに関連する幅広いトピックをカバーしています。

ACP-Cloud1試験は、クラウドコンピューティングに関連する幅広いトピック、クラウドアーキテクチャ、クラウドセキュリティ、クラウドストレージ、クラウドネットワーキングなどをカバーしています。この包括的な試験では、候補者がクラウドコンピューティングの重要なコンセプトを深く理解している必要があります。また、試験は、候補者がその知識やスキルを実際の問題を解決するために適用できるかどうかをテストします。

>> ACP-Cloud1関連合格問題 <<

ACP-Cloud1専門知識内容、ACP-Cloud1認証試験

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Alibaba Cloud ACP Cloud Computing Professional 認定 ACP-Cloud1 試験問題 (Q117-Q122):

質問 # 117
Once ECS is created, you can't change its private IP address anymore.

A. False
B. True

正解：A

解説：
You can change the private IP address of an ECS instance after it is created, but you need to stop the instance first. The private IP address must be within the CIDR block of the VPC and the VSwitch that the instance belongs to. You can modify the private IP address of an instance by using the console or the API.
References: 3, ACP Cloud Computing Certification - Alibaba Cloud Academy After stopping an Alibaba Cloud Elastic Compute Service (ECS) instance, you will still be charged for some resources related to that ECS instance, such as disks, snapshots, and public IP addresses, until you release them. The charging policy depends on the billing method and network type of the ECS instance. For pay-as- you-go instances, you can choose whether to enable the No fees for stopped instances feature, which allows you to stop paying for vCPUs and memory when the instance is stopped. However, this feature is only available for VPC-connected instances in some regions1. For subscription instances, you will be charged for the entire subscription period regardless of whether the instance is running or stopped2. References:
* 1: Billing FAQ - Elastic Compute Service - Alibaba Cloud Documentation Center1
* 2: Billing overview - Elastic Compute Service - Alibaba Cloud Documentation Center2

質問 # 118
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. 100% of loads will be assigned to ecs__inst1, and the remaining 4 ECS instances will stay idle
B. Based on request level parameters of external requests, all requests with a request level parameter of 100 will be transferred to ecs_inst1
C. We do not know the weight settings of the remaining 4 ECS instances, so we cannot tell what would happen
D. Based on SLB's working mechanism, approximately 20% of loads will be assigned to ecs_inst1

正解：C

質問 # 119
You are designing a solution for a startup company, the proposed solution is like this You suggest they use ECS instances to process requests from mobile App clients, and use SLB to distribute data traffic and ensure the load across each backend ECS instance is balanced.
Moreover to deal with volatile fluctuations in business volume (page views are much higher on the weekends), you also suggest they use Auto Scaling to dynamically increase or reduce computing resources.
The company is satisfied with the solution you proposed. However, they have one concern that when removing an idle instance from the scaling group: if Auto Scaling shuts the instance down directly, the service running on that instance will be abruptly terminated, resulting in poor user experience.
In order to eliminate your customer's concern, which of the following solutions should you recommend them?

A. Find the ECS instance that is going to be removed from the backend server pool of the SLB instancer and automatically set the weight of this ECS instance to 0. This instance will not be assigned with new requests, and will be automatically removed from the backend server pool after existing tasks are completed.
B. First, insert a script into the image for creating the ECS instance Second, make the script run automatically when the operating system in this ECS instances is about to shut down. This script contains the processing logic that can ensure the instance finish all the remaining tasks before shutting down.
C. Find the ECS instance that is going to be removed from the backend server pool of the SLB instance, and manually remove this instance from the backend server pool Applications running on this ECS instance will normally return results, but this instance will not be assigned with new requests.
D. Use the Lifecycle Hook function embedded m Auto Scaling Define a suitable timeout and a web hook to do the necessary work before the instance is removed.

正解：D

解説：
According to the Alibaba Cloud Auto Scaling documentation1, the Lifecycle Hook feature allows you to perform custom operations on instances that are added to or removed from a scaling group. You can define a lifecycle hook to specify a timeout period and a web hook URL. When an instance is about to be removed, Auto Scaling sends a notification to the web hook URL and waits for a response. During the timeout period, you can perform the necessary operations on the instance, such as gracefully shutting down the service, backing up the data, or sending a custom notification. After the operations are completed, you can send a response to the web hook URL to confirm the removal of the instance. This way, you can ensure that the instance is removed without affecting the user experience or causing data loss. Therefore, option D is the best solution to eliminate the customer's concern. References: Lifecycle hooks and Alibaba Cloud Auto Scaling.

質問 # 120
Alibaba Cloud CloudMonitor allows you to customize monitoring metrics and alert policies. Which of the following statements about customized monitoring are correct? (Choose two.)

A. The number of customized monitoring metrics is not limited, and programs used to report metric data may be deployed on devices other than the Alibaba Cloud server.
B. Users can only select limited and fixed templates, and monitor specified server performance indicators.
C. The number of customized monitoring metrics is limited, and programs used to report metric data must be deployed on the Alibaba Cloud server.
D. Users can monitor concerned services and report collected monitoring data to CloudMonitor so that CloudMonitor processes the data and generates alerts according to the result.

正解：A、D

解説：
CloudMonitor allows users to create custom monitoring metrics and report data, which can then be analyzed and used for alerts. Customized monitoring is flexible, with no set limits on the number of metrics, and users can report data from Alibaba Cloud servers or other devices.

質問 # 121
Alibaba Cloud's Object Storage Service (OSS) can be used to store a large amount of data, but there is still a maximum number of files in a single bucket.

A. False
B. True

正解：A

解説：
There is no limit on the number of objects that can be stored in a single OSS bucket in Alibaba Cloud. OSS is designed to support massive data storage, allowing users to store an unlimited number of files within a bucket.
The only limitations are the bucket storage capacity and account-level quotas.

質問 # 122
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