ACA-Cloud1問題集合格保証付きの合格できるACA-Cloud1試験2023年更新
ACA-Cloud1試験問題集を試そう！ベストACA-Cloud1試験問題トレーニングを提供していますGoShiken
Alibaba Cloud ACA-Cloud1試験には、クラウドインフラストラクチャ、クラウドコンピューティングアーキテクチャ、クラウドネットワークセキュリティ、クラウドコンピューティングの開発と展開、およびクラウドの監視と最適化に関する問題が含まれています。候補者は、クラウドコンピューティングのアーキテクチャ原則や、Platform as a Service（PaaS）、Infrastructure as a Service（IaaS）、Software as a Service（SaaS）などのさまざまなクラウドサービスモデルの理解が必要です。
質問 # 12
Using a cloud computing service is simple and straightforward. One can choose the instance with desired specification, finish payment and then use it right away. Moreover, the underlying physical machines are managed by cloud service providers and transparent to users.
- A. FALSE
- B. TRUE
正解：B
質問 # 13
Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. OSS is superior than self-built storage in all these aspects. Which of the following advantage relates to the high availability of OSS?
- A. Data has to be backed up by customer manually, which is time-consuming and labor-intensive.
- B. The following features are available: Multiple Authentication and Authorization mechanism, Whitelist, Anti- leech URL, and Master-Sub Account
- C. Data Reliability is not less than 99.99999999%. Data is backed up automatically with multiple redundant copies.
- D. Availability actually relies on the underlying hardware, which can break down easily. Once the hard disk malfunctions, it can also lead to permanent data loss.
正解：C
質問 # 14
In which of the following cases would you need to apply an ICP license? (Choose three.)
- A. Accelerate your Overseas Website in China
- B. Open your office in China
- C. Launch your online shop in China
- D. Launch your website in China
正解：B、C、D
質問 # 15
Company A builds a sales management platform based on Alibaba Cloud services, using 3 ECS instances. One of the ECS instance has MySQL installed as the database server of the platform, the other two are used as WEB servers. After some time, due to the rapid increase of employees and sales analysis requests, the performance of the platform is challenged in terms of response time. Through CloudMonitor, it is found that the average CPU usage reaches 70% for the two WEB server ECS instances and the database load reaches 75% for the database server ECS instance. In this situation, company A may choose which Alibaba Cloud services to improve the performance . (Choose two.)
- A. Use content delivery network, CDN, to accelerate the caching of the platform's css, JavaScript files etc.
- B. Use RDS to replace existing self-built database, in order to obtain better database performance; also creating RDS read-only instances to handle read-only requests, hence reduce the work load on master RDS instance.
- C. Import data into OSS to share the storage load of the platform.
- D. By adding a SLB instance and increase the number of ECS instances to reduce the work load on current ECS instances.
正解：B、D
質問 # 16
You built an online shop using Alibaba Cloud services (ECS, RDS, ...etc.) and very soon you'll have a campaign that every customer that invites 3 friends will get a 50% off coupon. To avoid HTTP flood attacks and ensure only genuine customers (not bots) joining the event, which security product should you choose?
- A. WAF
- B. Anti-DDoS Basic
- C. Anti-DDoS pro
- D. Server Guard
正解：A
解説：
After adding your website to the WAF protection list, you can enable HTTP Flood protection and select an appropriate protection mode for the website Reference:
https://www.alibabacloud.com/help/doc-detail/43443.htm
質問 # 17
Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. OSS is superior than self-built storage in all these aspects. Which of the following advantage relates to the high availability of OSS?
- A. Data has to be backed up by customer manually, which is time-consuming and labor-intensive.
- B. The following features are available: Multiple Authentication and Authorization mechanism, Whitelist, Anti- leech URL, and Master-Sub Account
- C. Data Reliability is not less than 99.99999999%. Data is backed up automatically with multiple redundant copies.
- D. Availability actually relies on the underlying hardware, which can break down easily. Once the hard disk malfunctions, it can also lead to permanent data loss.
正解：C
解説：
Explanation/Reference: https://www.alibabacloud.com/blog/alibaba-cloud-object-storage-vs--ibm-cloud-and-oracle-cloud- equivalent_293464
質問 # 18
Company B 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.
- A. Introduce SLB for extra protection.
- B. Changes the website access mode to HTTPS.
- C. Migrates music files from the OSS to the data disks for ECS instances.
- D. Limits access sources by configuring "Anti-leech settings" of OSS bucket attributes.
正解：D
解説：
Explanation/Reference: http://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/download/pdf/DNOSS11828897_en- US_intl_190202150837_public_b55986256a50380c526a35e863023ec9.pdf (55)
質問 # 19
An enterprise hosts their servers (include both Linux and Windows servers) in a traditional IDC. Every night hackers with IP addresses from many countries try to crack the password of their servers, making the administrator terribly worried about this. However, because of work requirements, the remote management port of these servers must be opened to public network.
The administrator heard that Alibaba Cloud has solutions that can help customers improve the security of their systems. Therefore, he/she wants to migrate the system to Alibaba Cloud. Which of the following functions should the administrator activate in Alibaba Cloud to reduce the possibility of brute force password cracking?
- A. Situation Awareness
- B. CloudMonitor
- C. Server Guard
- D. Anti-DDoS Basic Service
正解：C
質問 # 20
ECS can be used along with_____to store static images, videos, and reducing storage fees.
- A. OSS
- B. Server Load Balancer
- C. VPC
- D. RDS
正解：A
質問 # 21
RDS provides whitelist access policies. You can set permitted IP addresses and IP network segments to effectively prevent hackers from attacking the server by port scanning.
- A. FALSE
- B. TRUE
正解：A
解説：
Reference:
https://apsarastackdocument.oss-cn-hangzhou.aliyuncs.com/01_ApsaraStackEnterprise/V3.5.2- intl-en/Alibaba%20Cloud%20Apsara%20Stack%20Enterprise%201808%20Security%20Whitepaper%20-% 2020180831.pdf
質問 # 22
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. Which of the following is not the feature supported by Alibaba Cloud Auto Scaling?
- A. Elastic Scale-Out
- B. Elastic Self-Diagnostic
- C. Elastic Self-Health
- D. Elastic Scale-In
正解：B
質問 # 23
A customer uses Alibaba Cloud Auto Scaling service and creates a scaling group. He/she sets the "Minimum number of instances" to 6 and "Maximum number of instances" to 8.
After correctly configuring scaling settings, the customer adds a scaling rule "Adjust to 10 ECS instances", and creates a scheduled task based on this rule.
And then, the customer checks the scaling group and see it already contains 6 valid ECS instances, he/she then enables this scaling group immediately.
How many ECS instances are left in the scaling group when the scheduled task is activated once?
- A. Eight
- B. Ten
- C. Five
- D. Six
正解：C
質問 # 24
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.
- A. Introduce SLB for extra protection.
- B. Changes the website access mode to HTTPS.
- C. Migrates music files from the OSS to the data disks for ECS instances.
- D. Limits access sources by configuring "Anti-leech settings" of OSS bucket attributes.
正解：D
質問 # 25
You are developing a highly available web application using stateless web servers. Which services are suitable for the application? (Choose three.)
- A. SLB
- B. RDS
- C. OSS
- D. MaxCompute
- E. ECS
正解：B、C、E
解説：
Reference:
http://docs-aliyun.cn-hangzhou.oss.aliyun-inc.com/pdf/slb-faq-intl-en-2017-03-29.pdf
質問 # 26
Alibaba Cloud provides powerful security services (the same level of security services used to support Alibaba Group double 11 shopping festival). However, you have to pay first before using any of the security services.
- A. False
- B. True
正解：A
質問 # 27
ECS can be used along with to store static images, videos, and reducing storage fees.
- A. OSS
- B. Server Load Balancer
- C. VPC
- D. RDS
正解：A
解説：
Reference:
http://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/download/pdf/DNA0011858383_en- US_intl_190320132947_public_91775d442a4b315acafcb25df8bcc84f.pdf
質問 # 28
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. If 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 SLB's working mechanism, approximately 20% of loads will be assigned to ecs_inst1.
- 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. 100% of loads will be assigned to ecs_inst1, and the rest 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
質問 # 29
is a ready-to-use service that seamlessly integrates with Elastic Compute Service (ECS) to manage varying traffic levels without manual intervention.
- A. Server Load Balancer
- B. OSS
- C. VPC
- D. RDS
正解：A
質問 # 30
You built an online shop using Alibaba Cloud services (ECS, RDS, ...etc.) and very soon you'll have a campaign that every customer that invites 3 friends will get a 50% off coupon. To avoid HTTP flood attacks and ensure only genuine customers (not bots) joining the event, which security product should you choose?
- A. WAF
- B. Anti-DDoS Basic
- C. Anti-DDoS pro
- D. Server Guard
正解：A
解説：
Explanation
After adding your website to the WAF protection list, you can enable HTTP Flood protection and select an appropriate protection mode for the website
質問 # 31
Server Load Balancer can help protect from attack.
- A. DDoS
- B. Virus
- C. Ransomware
- D. SQL injection
正解：A
解説：
Reference:
https://www.alibabacloud.com/help/doc-detail/27539.htm
質問 # 32
......
ACA-Cloud1試験は、クラウドアーキテクチャ、クラウドサービス、クラウドセキュリティなどのクラウドコンピューティングの基本的な概念をカバーしています。また、Elastic Compute Service（ECS）、Object Storage Service（OSS）、Relational Database Service（RDS）などのAlibaba Cloudの特定のサービスとソリューションにも対応しています。この試験はオンラインで行われ、90分以内に50問の多肢選択問題に回答する必要があります。
ACA-Cloud1試験は、クラウドコンピューティングの基礎、クラウドアーキテクチャ、クラウドセキュリティ、およびElastic Compute Service（ECS）、Object Storage Service（OSS）、Relational Database Service（RDS）などのAlibaba Cloudコア製品をカバーしています。この試験は、これらのトピックの理解とその知識を実世界のシナリオに適用する能力を候補者がテストするように設計されています。
最新100%合格率保証付きの素晴らしいACA-Cloud1試験問題PDF：https://www.goshiken.com/Alibaba-Cloud/ACA-Cloud1-mondaishu.html
実践サンプルと問題集指導には2023年最新のACA-Cloud1有効なテスト問題集：https://drive.google.com/open?id=1DPc8pf9KqFGUAfuZ7vdGvvoLrPJw22_n