File Info
| Exam | ACA Cloud Computing Certification Exam |
| Number | ACA-Cloud1 |
| File Name | Alibaba.ACA-Cloud1.NewDumps.2020-03-31.22q.vcex |
| Size | 16 KB |
| Posted | Mar 31, 2020 |
| Download | Alibaba.ACA-Cloud1.NewDumps.2020-03-31.22q.vcex |
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Demo Questions
Question 1
Multiple lower-configuration I/O-optimized ECS instances can be used with ___________ to deliver a high-availability architecture.
- Server Load Balancer
- RDS
- Auto Scaling
- OSS
Correct answer: A
Question 2
When we talk about the ‘Elastic’ feature for ECS product, we are not talking about _____________.
- Elastic Computing
- Elastic Storage
- Elastic Network
- Elastic Administration
Correct answer: D
Question 3
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.
- Server Load Balancer
- Auto Scaling
- RDS
- VPC
Correct answer: B
Explanation:
Reference: https://www.alibabacloud.com/blog/designing-a-cloud-based-architecture-for-internet-of-vehicles-iov-series-ii_594263 Reference: https://www.alibabacloud.com/blog/designing-a-cloud-based-architecture-for-internet-of-vehicles-iov-series-ii_594263
Question 4
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.
- RDS
- Auto Scaling
- VPC
- MaxCompute
Correct answer: B
Question 5
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?
- OSS + CDN combination
- OSS + MTS combination
- OSS + RDS combination
- OSS + ECS combination
Correct answer: D
Question 6
Which method is not supported by OSS to create a bucket?
- through OSS API/SDK
- through ECS instance filesystem directory operation
- through oss cmd tool
- through cloud console
Correct answer: C
Question 7
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.
- Container Service
- ECS
- OSS
- CDN
Correct answer: C
Question 8
Which of the following statements about file uploading to OSS strategy is not correct?
- All file uploading method provided by Alibaba Cloud OSS service will support resuming from break point.
- If you are uploading some small files (<1m), you can choose using put method to be able finish uploading in one http request.
- If you are using OSS to store some log files which are continuously being updated, you better choose streaming method to be able to append to one existing object instead of overwriting.
- If you need to upload very large file you better use multi-part uploading to get the capability of resuming from break point.
Correct answer: C
Question 9
Which of the following scenarios is applicable to use RDS read-only instances?
- Reduces the write pressure on the RDS primary instance.
- Reduces the read pressure on the RDS primary instance.
- Implements data backtracking for the last two days.
- Improves RDS storage capabilities.
Correct answer: B
Question 10
Which of the following is not the database type supported by RDS?
- MySQL
- SQL Server
- Postgre SQL
- Oracle database
Correct answer: D
Explanation:
Reference: https://aws.amazon.com/rds/features/ Reference: https://aws.amazon.com/rds/features/
