無料Alibaba Cloud ACA-Cloud1学習ガイド試験問題と解答
ACA-Cloud1試験問題集、ACA-Cloud1練習テスト問題
アリババクラウドACA-Cloud1（ACA Cloud Computing Associate）認定試験は、クラウドコンピューティングに関する知識と専門知識を示したい個人向けにアリババクラウドが提供するプロフェッショナル認定資格です。この認定試験は、候補者のクラウドコンピューティングの概念、アーキテクチャ、展開モデルに関する理解、およびアリババクラウドのサービスとツールを使用してスケーラブルで安全かつ信頼性の高いクラウドソリューションを構築および展開する能力を検証するために設計されています。
Alibaba Cloud ACA-Cloud1（ACA Cloud Computing Associate）試験は、クラウドコンピューティングに関する知識とスキルを証明するための価値のある認証資格です。この試験は、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を扱い、候補者のクラウドコンピューティングのコンセプトを実際のシナリオに適用する能力をテストします。ACA-Cloud1試験に合格することで、クラウドコンピューティングの分野でキャリアの展望を高めることができます。
質問 # 31
Which of the following scenarios is applicable to use RDS read-only instances?
- A. Reduces the read pressure on the RDS primary instance.
- B. Reduces the write pressure on the RDS primary instance.
- C. Improves RDS storage capabilities.
- D. Implements data backtracking for the last two days.
正解：A
質問 # 32
Which of the following statements is true for RDS?
- A. Databases with the same name are allowed in the same instance.
- B. Resources are not shared among the databases in the same RDS instance.
- C. Multiple databases can be created in one RDS instance.
- D. None of the above is true.
正解：C
質問 # 33
Alibaba Cloud does not support Intranet communication between products that are not in the same region, which does not mean?
- A. Server Load Balancer cannot be deployed for ECS instances in various regions.
- B. ECS instances in different regions cannot communicate with each other on the intranet.
- C. ECS instances and other products in different regions, such as ApsaraDB for RDS and OSS instances, cannot communicate with each other on the intranet.
- D. Server Load Balancer can be deployed for ECS instances in various regions.
正解：C
質問 # 34
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. We do not know the weight settings of the remaining 4 ECS instances, so we cannot tell what would happen.
- B. Based on SLB's working mechanism, approximately 20% of loads will be assigned to ecs_inst1.
- C. Based on request level parameters of external requests, all requests with a request level parameter of 100 will be transferred to ecs_inst1.
- D. 100% of loads will be assigned to ecs_inst1, and the rest 4 ECS instances will stay idle.
正解：A
質問 # 35
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 Reliability is not less than 99.99999999%. Data is backed up automatically with multiple redundant copies.
- B. 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.
- C. Data has to be backed up by customer manually, which is time-consuming and labor-intensive.
- D. The following features are available: Multiple Authentication and Authorization mechanism, Whitelist, Anti- leech URL, and Master-Sub Account
正解：A
解説：
Reference:
https://www.alibabacloud.com/blog/alibaba-cloud-object-storage-vs--ibm-cloud-and-oracle-cloud- equivalent_293464
質問 # 36
You can __________________ an ECS instance's configuration. (Choose two.)
- A. downgraded
- B. upgraded
- C. uploaded
- D. downloaded
正解：A、B
解説：
Explanation/Reference: https://www.alibabacloud.com/help/doc-detail/25437.htm
質問 # 37
Alibaba Cloud relational database service (RDS) is a stable, reliable and elastic online database service. RDS supports below database types? (Choose three.)
- A. PostgreSQL
- B. Oracle database
- C. MySQL
- D. SQL Server
正解：A、C、D
質問 # 38
Server Load Balancer supports health checks for ECS instances and allows user to specify the frequency. If an ECS instance does not qualify the health check, traffic will not be forwarded to that instance, thereby ensuring application availability.
- A. TRUE
- B. FALSE
正解：B
解説：
Explanation
質問 # 39
Which method is not supported by OSS to create a bucket?
- A. through ECS instance filesystem directory operation
- B. through oss cmd tool
- C. through cloud console
- D. through OSS API/SDK
正解：B
質問 # 40
Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.
- A. TRUE
- B. FALSE
正解：A
解説：
Manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application with Server Load Balancer.
Reference:
https://arcelon.co.id/product/server_load_balancer.php
質問 # 41
As a cloud computing service provider, Alibaba Cloud provides security services including. (Choose two.)
- A. Security isolation between cloud computing tenants.
- B. Application maintenance in ECS instances.
- C. IP white list setting for RDS.
- D. Security operation for underlying hardware of cloud computing.
正解：A、D
質問 # 42
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. It supports adding existing ECS instances into the scaling group, whose status however must be _________.
- A. Preparing
- B. Stopped
- C. Running
- D. Created
正解：C
解説：
Explanation/Reference: http://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/download/pdf/DNESS1876951_en- US_intl_181115175025_public_176152014821b385708e5290da11a0fe.pdf (14)
質問 # 43
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 can be in different regions and zones.
- B. The instance and the scaling group must be in the same region and 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 must be in the same region but not necessarily the same zone.
正解：B
質問 # 44
Your friend purchases some Alibaba Cloud resources and uses them to build an online training website. Before the site goes online, your friend wants to perform some performance tests but doesn't know how to do it. In this case, which of the following services can help?
- A. Support Ticket Service
- B. After-Sales Support Service
- C. Load and Performance Testing Service
- D. None Of The Above
正解：B
解説：
Explanation/Reference: https://www.alibabacloud.com/support/after-sales
質問 # 45
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 # 46
You are developing a highly available web application using stateless web servers. Which services are suitable for the application? (Choose three.)
- A. MaxCompute
- B. OSS
- C. ECS
- D. SLB
- E. RDS
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 # 47
Which three of the following statements about domain name binding to your OSS bucket are correct? (Choose three.)
- A. your customized domain name need to be put on record in MIIT (Ministry of Industry and Information Technology)
- B. mapping a domain name to your bucket endpoint is mandatory
- C. Your customized domain name will be audited by Alibaba Cloud
- D. the number of domain names you bind to one bucket can't exceed 20
正解：A、B、C
質問 # 48
A/An _________________ is a copy of data on a disk at a certain point in time.
- A. snapshot
- B. template
- C. image
- D. EIP
正解：A
質問 # 49
Alibaba Cloud does not support Intranet communication between products that are not in the same region, which does not mean ?
- A. Server Load Balancer cannot be deployed for ECS instances in various regions.
- B. ECS instances in different regions cannot communicate with each other on the intranet.
- C. ECS instances and other products in different regions, such as ApsaraDB for RDS and OSS instances, cannot communicate with each other on the intranet.
- D. Server Load Balancer can be deployed for ECS instances in various regions.
正解：C
解説：
Reference:
https://www.alibabacloud.com/help/doc-detail/40654.htm
質問 # 50
When we talk about the 'Elastic' feature for ECS product, we are not talking about _____________.
- A. Elastic Computing
- B. Elastic Network
- C. Elastic Administration
- D. Elastic Storage
正解：C
解説：
Explanation/Reference:
質問 # 51
Which of the followings are not the operations that you can do on a cloud disk snapshot? (Choose two.)
- A. snapshot rollback
- B. snapshot deletion
- C. snapshot download
- D. snapshot duplicate
正解：C、D
質問 # 52
Alibaba Cloud Monitor service stems from years of experience of server monitoring technology in Alibaba group, leveraging the powerful data analysis capability of Alibaba cloud computing platform to provide monitoring service for various clients' applications and servers. A user receives an alert saying that the IOPS utilization rate for an ECS instance exceeds 80%. Yet, he/she is not sure how to handle the situation, the user may obtain help from Alibaba Cloud through the below methods ____________________? (Choose three.)
- A. You cannot obtain any help from Alibaba Cloud.
- B. Open a ticket to Alibaba Cloud help desk.
- C. Look for answers in Alibaba Cloud forum.
- D. Check ECS or CloudMonitor product documents.
正解：B、C、D
質問 # 53
Alibaba Cloud relational database service (RDS) is a stable, reliable and elastic online database service. RDS supports below database types ? (Choose three.)
- A. PostgreSQL
- B. Oracle database
- C. MySQL
- D. SQL Server
正解：A、C、D
質問 # 54
In which of the following cases would you need to apply an ICP license? (Choose three.)
- A. Launch your website in China
- B. Open your office in China
- C. Launch your online shop in China
- D. Accelerate your Overseas Website in China
正解：A、B、C
解説：
Explanation/Reference: https://www.alibabacloud.com/icp
質問 # 55
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最新のACA-Cloud1実際の無料試験問題は更新された75問があります：https://jp.fast2test.com/ACA-Cloud1-premium-file.html