Download ACA Cloud Computing Certification Exam.ACA-Cloud1.CertDumps.2023-09-25.50q.vcex

Vendor: Alibaba
Exam Code: ACA-Cloud1
Exam Name: ACA Cloud Computing Certification Exam
Date: Sep 25, 2023
File Size: 27 KB
Downloads: 9

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Demo Questions

Question 1
A company wants to use Alibaba Cloud service to replace their self-built database, which of the following services should it choose?
  1. AsparaDB for RDS
  2. Server Load Balancer (SLB)
  3. Alibaba Cloud CDN (Content Delivery Network)
  4. Deploy more ECS instances
Correct answer: A
Question 2
Which of the following scenarios is applicable to use RDS read-only instances?
  1. Reduces the write pressure on the RDS primary instance.
  2. Reduces the read pressure on the RDS primary instance.
  3. Implements data backtracking for the last two days.
  4. Improves RDS storage capabilites.
Correct answer: B
Question 3
Which of the following statements is wrong when comparing RDS with self-built databases?
  1. RDS features a high availability of 99.95% while self-built database requires you to implement data protecton, primarystandby replicaton, and RAID all by yourself.
  2. RDS provides automatc backup while self-built database requires you to prepare storage space for backup copies and regularly verify that these copies can be restored.
  3. Self-built database supports quick deployment and elastc scaling.
  4. RDS requires no O&M while self-built database requires a dedicated DBA for maintenance, which results in high HR cost.
Correct answer: C
Question 4
Alibaba Cloud China Connect is a service that can help internatonal companies do business in China. Which of the following services is not included in China Connect?
  1. Web hostng
  2. ICP Support
  3. Ofce registraton support
  4. Connect your service with Alibaba Group ecosystem
Correct answer: C
Question 5
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?
  1. Afer-Sales Support Service
  2. Support Ticket Service
  3. Load and Performance Testng Service
  4. None of the others.
Correct answer: D
Question 6
Which method is not supported by OSS to create a bucket?
  1. Through OSS API/SDK
  2. Through ECS instance flesystem directory operaton
  3. Through oss cmd tool
  4. Through cloud console
Correct answer: B
Question 7
A large shopping mall deploys a new video surveillance system. The fve--oor 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.
Video data grows so rapidly that the engineers fnd that the ECS will run out of storage space within 2 weeks.
In this case, ________ is thought to be the best soluton for addressing the storage challenge while ensuring quick access to historical video data when needed.
  1. Container Service
  2. ECS
  3. OSS
  4. CDN
Correct answer: C
Question 8
Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost efectve storage service. One of the special characteristcs of OSS is its superior data reliability, because of its underlying backup technology and policies.
Which of the following statements about OSS backup is correct?
  1. OSS supports 3 internal data copies, so data can be manually recovered should there be any problem.
  2. Customers have to safeguard their own data. OSS provides various backup interfaces to facilitate ofsite backups.
  3. OSS leverages RAID0+1 confguraton on its underlying physical hard disks. There is no impact even if 2 hard disks were to fail simultaneously.
  4. OSS supports 3 internal data copies, no human interventon is required to recover the data when anything goes wrong.
Correct answer: D
Question 9
Which of the following statements is true for RDS?
  1. Multple databases can be created in one RDS instance.
  2. Databases with the same name are allowed in the same instance.
  3. Resources are not shared among databases in the same RDS instance.
  4. None of the others.
Correct answer: A
Question 10
A SQL injecton is a common applicaton layer atack, usually through building special input parameters and passing them through web applicatons to steal or sabotage applicaton data. Which of the following is the target for a SQL injecton?
  1. Web applicaton
  2. Database
  3. Confdental fles on a server
  4. Pictures on a server
Correct answer: B

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