最新なAlibaba Cloud ACP-Cloud1問題集（72題）、真実試験の問題を全部にカバー！

質問 1：
Company A constructed a sales management platform using three Elastic Compute Service (ECS) instances.
One of the instances runs MySQL, and is used as the database server. The other two instances are used as Web servers After some time, the number of employees in Company A dramatically increases, leading to higher sales volumes At the same time, the platform response speed is gradually decreasing too.
According to the report from CloudMonitor, the average CPU utilization rate of the two Web servers exceeds
70%, and database load
reaches 75% Company A can select Alibaba Cloud_________ services.to cope with the issue and optimize the performance. (Number of correct answers: 2)
A. Incorporate Server Load Balancer (SLB) and add additional ECS instances to relieve the load on existing ECS instances
B. Use Content Delivery Network (CDN) to enhance content loading speed
C. Replace the self-built MySQL database with ApsaraDB for RDS to obtain better database performance, and utilize RDS read-only instances to handle read-only requests
D. Import database data into Object Storage Service (OSS) to share the storage pressure on the platform
正解：A,C
解説: (Pass4Test メンバーにのみ表示されます)

質問 2：
You need to create a new ECS instance for a 10-data test. Which of the following billing methods is most cost-effective?
A. Pay-AS-You-Go with Savings Plan
B. Preemptible
C. Subscription
D. Pay-As-You-Go
正解：A
解説: (Pass4Test メンバーにのみ表示されます)

質問 3：
Object Storage Service (OSS) supports sub accounts, and you can allocate access permissions to different buckets for each sub account.
A. False
B. True
正解：B
解説: (Pass4Test メンバーにのみ表示されます)

質問 4：
A large enterprise wants to migrate the entire business system to Alibaba Cloud to save the overall IT procurement and O&M costs From the security aspect, the company requires that
1. Must support secured remote O&M because the administrator often takes business trips.
2. Networks between subsystems should be isolated because subsystems are independently used by different departments Which of the followings should be used together to meet the company's requirements? (Number of correct answers: 3)
A. Use the security group function of the ECS instance, and respectively deploy ECS instances running different subsystems to independent security groups.
B. Build an independent ECS instance as the bastion host or remote logon and O&M, and authorize the bastion host to access ECS instances running other subsystems.
C. Create multiple ECS instances in the VPC to install subsystems of different departments- Allocate only Intranet IP addresses to all ECS instances, and deploy them in the same security groups.
D. Enable the VPN on the bastion host (or directly use the VPN image on Alibaba Cloud Marketplace).
The administrator uses VPN encrypted communication during O&M.
正解：A,B,D
解説: (Pass4Test メンバーにのみ表示されます)

質問 5：
To meet business requirements, a user requires that the backend server of an SLB instance include a primary ECS instance and a secondary ECS instance. When the primary instance is working properly, the traffic is only forwarded to the primary ECS, when the primary instance is down, traffic is switched to the standby instance.
In this case, you can create an active/standby server group on the backend of the SLB instance Which kind of listener supports this feature? (Number of correct answers: 2)
A. HTTPS
B. UDP
C. TCP
D. HTTP
正解：A,C
解説: (Pass4Test メンバーにのみ表示されます)

質問 6：
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 an event-triggered task.
B. Create a scaling rule
C. Create a scheduled task.
D. Create a new scaling group.
正解：B,C
解説: (Pass4Test メンバーにのみ表示されます)

質問 7：
An online education website is built based on ECS. SLB and Auto Scaling, which greatly reduces resource cost, O&M cost and without compromising system stability and user experience.
Now. the website admin wants to keep the user information (such as source IP, accessed URLs, and duration on each page) for analysis to support their upcoming campaign events In this case, which of the following statements is NOT correct?
A. Synchronize user-Synchronize user-related access information to ApsaraDB for Memcache in real time or quasi real time. Then, access Memcache using an application or make the data in Memcache persistent based on certain rules and then can use the persistent data for further analysis.
B. Synchronize user-related access information to OSS in real time or quasi real time for further use
C. Save user-related access information to ApsaraDB for RDS in real time or quasi real time, which can then be used for performing query and analysis.
D. Let each ECS instance in the scaling group keeps the user access information it processes Thus, the data saved by these ECS instances can be accessed and analyzed at any time, making the solution not only simple, but also efficient reliable, and cost-effective.
正解：D
解説: (Pass4Test メンバーにのみ表示されます)