Free ACA-Cloud1 Exam braindumps download (ACA-Cloud1 exam dumps Free)

QUESTION: 16

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

Answer(s): C

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QUESTION: 17

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.

Answer(s): C

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QUESTION: 18

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

Answer(s): B

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QUESTION: 19

SQL injection is a common application layer attack, usually through building special input parameters and pass it to web applications to steal or sabotage the application data. Which of the following is the target for SQL injection?