最新なAlibaba Cloud ACA-Cloud1問題集（74題）、真実試験の問題を全部にカバー！

質問 1：
If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?
A. Paypal-pay
B. bitcoin-pay
C. Prepaid
D. Pay-As-You-Go
正解：C
解説: (Pass4Test メンバーにのみ表示されます)

質問 2：
A large shopping mall deploys a new video surveillance system. The five-floor building in which the mall is located installed 35 HD cameras to monitor the major exits. The surveillance system is deployed on an ECS instance, which has four 2 TB data disks to store video data.
However, video data grows rapidly and the engineers find that the ECS will run out of storage space within 2 weeks.
In this case,product is thought to be the best solution for addressing the storage challenge while ensuring quick access to historical video data when needed.
A. OSS
B. Container Service
C. CDN
D. ECS
正解：A
解説: (Pass4Test メンバーにのみ表示されます)

質問 3：
You are developing a highly available web application using stateless web servers. Which services are suitable for storing session state data? (Choose two.)
A. RDS
B. MaxCompute
C. Table Store
D. OSS
正解：A,C
解説: (Pass4Test メンバーにのみ表示されます)

質問 4：
You canan ECS instance's configuration. (Choose two.)
A. upgraded
B. downgraded
C. uploaded
D. downloaded
正解：A,B
解説: (Pass4Test メンバーにのみ表示されます)

質問 5：
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. 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.
C. 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.
D. Configure Auto Scaling appropriately to automatically upgrade/downgrade the ECS instances.
正解：A
解説: (Pass4Test メンバーにのみ表示されます)

質問 6：
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：C
解説: (Pass4Test メンバーにのみ表示されます)

質問 7：
You can retrieve data directly from an ECS Image and use it right away.
A. TRUE
B. FALSE
正解：B
解説: (Pass4Test メンバーにのみ表示されます)