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  • 最新版無料体験を掴み取れ！Alibaba Cloud ACA-Cloud1問題集PDFは更新されたのは2023年 [Q31-Q54]

最新版無料体験を掴み取れ！Alibaba Cloud ACA-Cloud1問題集PDFは更新されたのは2023年 [Q31-Q54]

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最新版無料体験を掴み取れ！Alibaba Cloud ACA-Cloud1問題集PDFは更新されたのは2023年

最新リリースのACA-Cloud1問題集はAlibaba Cloud Computing認証済みです


アリババクラウドACA-Cloud1（ACA Cloud Computing Associate）試験は、クラウドコンピューティングの知識とスキルを検証したい個人向けの認定試験です。この試験は、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、およびテクノロジーに対する理解をテストするように設計されています。ACA-Cloud1試験は、クラウドコンピューティングでキャリアを追求したい個人の基礎を提供するエントリーレベルの認定試験です。

 

質問 # 31
Server Load Balancer supports protocols like. (Choose four.)

  • A. MQTT
  • B. UDP
  • C. TCP
  • D. HTTPS
  • E. HTTP
  • F. MPLS

正解：B、C、D、E

解説：
Explanation
Comprehensive protocol support - ICMP, TCP, UDP, HTTP, HTTPS,


質問 # 32
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 # 33
ECS can be used along with to store static images, videos, and reducing storage fees.

  • A. VPC
  • B. OSS
  • C. RDS
  • D. Server Load Balancer

正解：B

解説：
Reference:
http://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/download/pdf/DNA0011858383_en- US_intl_190320132947_public_91775d442a4b315acafcb25df8bcc84f.pdf


質問 # 34
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 # 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：
Explanation/Reference: https://www.alibabacloud.com/blog/alibaba-cloud-object-storage-vs--ibm-cloud-and-oracle-cloud- equivalent_293464


質問 # 36
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


質問 # 37
Server Load Balancer can help protect from ___________________ attack.

  • A. Virus
  • B. Ransomware
  • C. DDoS
  • D. SQL injection

正解：C

解説：
Explanation/Reference: https://www.alibabacloud.com/help/doc-detail/27539.htm


質問 # 38
A video streaming company uses SLB to distribute user requests to 30 ECS instances (the 30 ECS instances have the same configuration). Yet, the company finds that the service traffic soars dramatically every night from 20:00 to 02:00. According to their calculation, the evening traffic is 100% higher than the traffic in other periods of time. To properly respond to user requests, which of the following methods is most preferred from the perspective of cost and implementation simplicity?

  • A. Configure Auto Scaling appropriately to automatically add or reduce ECS instances.
  • B. Manually create 30 ECS instances using the custom image, and then add them to SLB every night before 20:00 and remove them after 02:00.
  • C. Configure Auto Scaling appropriately to automatically upgrade/downgrade the ECS instances.
  • D. Create 30 ECS instances based on the custom image and add them to SLB. Then, configure weights for these ECS instances to respond to user requests every night from 20:00 to 02:00, and reset those weights to zero for other periods of time.

正解：A


質問 # 39
Anti-DDoS is one of the major features in Alibaba Cloud Security Service. Many websites have experienced different types of DDoS attacks, an accurate understanding of DDoS is crucial to protecting websites. Which of the following descriptions about DDoS attack is the most accurate one?

  • A. The purpose of DDoS attack is to steal confidential information.
  • B. The main target for DDoS attack is the database.
  • C. The main purpose of DDoS attack is to make the target server unable to provide service normally, which is one of the network attacks that are most difficult to defend.
  • D. DDoS attack will try to crack the password through a large number of attempts.

正解：C


質問 # 40
Your website has high volume of traffic and sudden spikes for a very short time. In this scenario, can manage traffic peak efficiently and maintain a consistent user experience.

  • A. Auto Scaling
  • B. VPC
  • C. RDS
  • D. Server Load Balancer

正解：A


質問 # 41
Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. One of the special characteristics of OSS is its superior data reliability, because of its underlying backup technology and policies. Which of the following statement about OSS backup is correct?

  • A. OSS supports 3 internal data copies, so the data can be manually recovered should there be any problem.
  • B. OSS supports 3 internal data copies, no human intervention is required to recover the data when anything goes wrong.
  • C. Customer has to safeguard their own data. OSS provides various backup interfaces to facilitate offsite backups.
  • D. OSS leverages RAID0+1 configuration of its underlying physical hard disks. There is no impact even if 2 hard disks were to fail simultaneously.

正解：C


質問 # 42
Which of the following is not the database type supported by RDS?

  • A. Postgre SQL
  • B. SQL Server
  • C. Oracle database
  • D. MySQL

正解：C

解説：
Reference:
https://aws.amazon.com/rds/features/


質問 # 43
What is the full name of ECS?

  • A. Elastic Computing Server
  • B. Elastic Communication Server
  • C. Elastic Compute Service
  • D. Elastic Cost Server

正解：C


質問 # 44
Some applications may encounter large traffic fluctuations within a short period. When ECS is used with
, the number of ECS instances is automatically adjusted based on traffic.

  • A. Auto Scaling
  • B. OSS
  • C. RDS
  • D. Server Load Balancer

正解：A

解説：
Reference:
https://www.alibabacloud.com/help/doc-detail/25371.htm


質問 # 45
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. TRUE
  • B. FALSE

正解：B


質問 # 46
A video streaming company uses SLB to distribute user requests to 30 ECS instances (the 30 ECS instances have the same configuration). Yet, the company finds that the service traffic soars dramatically every night from 20:00 to 02:00. According to their calculation, the evening traffic is 100% higher than the traffic in other periods of time. To properly respond to user requests, which of the following methods is most preferred from the perspective of cost and implementation simplicity?

  • A. Configure Auto Scaling appropriately to automatically add or reduce ECS instances.
  • B. Manually create 30 ECS instances using the custom image, and then add them to SLB every night before 20:00 and remove them after 02:00.
  • C. Configure Auto Scaling appropriately to automatically upgrade/downgrade the ECS instances.
  • D. Create 30 ECS instances based on the custom image and add them to SLB. Then, configure weights for these ECS instances to respond to user requests every night from 20:00 to 02:00, and reset those weights to zero for other periods of time.

正解：A

解説：
Reference:
https://www.alibabacloud.com/product/auto-scaling


質問 # 47
Which of the following statements is wrong when comparing RDS with self-built database?

  • A. RDS features a high availability of 99.95% while self-built database requires you to implement data protection, primary-standby replication, and RAID all by yourself.
  • B. RDS requires no O&M while self-built database requires a dedicated DBA for maintenance, which results in high HR cost.
  • C. RDS provides automatic backup while self-built database requires you to prepare storage space for backup copies and regularly verify that these copies can be restored.
  • D. Self-built database supports quick deployment and elastic scaling.

正解：D


質問 # 48
Your website has oscillating traffic peaks that are difficult to predict in advance. In this scenario, it is recommended to use SLB and together with ECS.

  • A. Auto Scaling
  • B. MaxCompute
  • C. VPC
  • D. RDS

正解：A


質問 # 49
Multiple lower-configuration I/O-optimized ECS instances can be used with to deliver a high- availability architecture.

  • A. Auto Scaling
  • B. OSS
  • C. RDS
  • D. Server Load Balancer

正解：D


質問 # 50
www.company.com is a newly launched social portal for exchanging automotive information. The portal is based on PHP, including 10GB of images, and some JavaScripts files. Currently one single ECS instance is used to host all the application content as well as a MySQL database. With the growing number of users, the portal is getting slower to load images or respond to user requests. Moreover, there will be additional 50GB image content uploaded to the portal every week. Which combination of Alibaba Cloud services below can help resolve the storage and performance issue at the same time?

  • A. OSS + MTS combination
  • B. OSS + RDS combination
  • C. OSS + ECS combination
  • D. OSS + CDN combination

正解：C


質問 # 51
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 # 52
Alibaba Cloud provides anti-DDoS products of different levels. If the service availability needs to be kept at
99.9% or higher under DDoS attacks, which of the following is the MOST suitable product?

  • A. Anti-DDoS Service Basic
  • B. Situation Awareness
  • C. Anti-DDoS Service Pro
  • D. Managed Security Service

正解：A

解説：
Explanation
Explanation/Reference: https://www.alibabacloud.com/product/anti-ddos


質問 # 53
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 # 54
......


ACA-Cloud1 認証は、クラウドコンピューティングのキャリアを志す個人にとって、世界的に認められた貴重な資格です。これにより、個人のスキルと知識が認定されるだけでなく、最新の開発に追いつくことへのコミットメントが示されます。認定は、個人のキャリアへの献身と、スキルの開発に時間と労力を投資する意欲を証明するものでもあります。


Alibaba Cloud ACA-Cloud1試験は、クラウドコンピューティングの概念に対する理解とAlibaba Cloudの製品やサービスに関する専門知識を持つ候補者の能力を検証するために設計されています。この試験に合格することで、候補者はクラウドコンピューティングの熟練度を証明し、クラウドコンピューティング業界でのキャリアチャンスを向上させることができます。

 

最新のACA-Cloud1試験問題集でAlibaba Cloud試験問題にトレーニング：https://www.passtest.jp/Alibaba-Cloud/ACA-Cloud1-shiken.html

更新された検証済みのACA-Cloud1問題集と解答で100%合格させる：https://drive.google.com/open?id=1MfaDiKY3ojvwiZtBpyjwsiSBInishcG7

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ACA-Cloud1 無料問題集