Exam 1: ACA Cloud Computing Certification Exam
Exam 1: ACA Cloud Computing Certification Exam72 Questions
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A company wants to migrate its system to public cloud platform and they choose Alibaba Cloud. The migration process is very important and they want to ensure that everything works right. Which of the following services can the company choose?
(Multiple Choice)
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Alibaba Cloud provides powerful security services (the same level of security services used to support Alibaba Group double 11 shopping festival). However, you have to pay first before using any of the security services.
(True/False)
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ECS is a highly flexible service. It can be used independently as a simple web server, or used with other Alibaba Cloud products, such as OSS and CDN, to provide advanced solutions. ECS can be used in applications such as: ______________. (Choose four.)
(Multiple Choice)
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Cloud disks are reliable because they use __________ to provide block-level data storage for ECS instances, ensuring 99.9999999% data reliability.
(Multiple Choice)
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Some applications may encounter large traffic fluctuations within a short period. When ECS is used with _______, the number of ECS instances is automatically adjusted based on traffic.
(Multiple Choice)
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In which of the following cases would you need to apply an ICP license? (Choose three.)
(Multiple Choice)
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Alibaba Cloud does not support Intranet communication between products that are not in the same region, which does not mean ______________?
(Multiple Choice)
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RDS provides whitelist access policies. You can set permitted IP addresses and IP network segments to effectively prevent hackers from attacking the server by port scanning.
(True/False)
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Company В builds a music download website based on OSS and ECS, and users can download mp3 files after registering for the website. Recently, the public network traffic to the OSS has doubled but the increase of registered users is less than 10%. After in-depth analysis, engineers find that many user download requests are raised from search engine but not the website itself. In this case, which of the following measures is thought to be able to address this issue.
(Multiple Choice)
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RDS for MySQL is a PaaS, which means after creating the RDS instance, the user does not need to take care of the underlying OS, runtime environment of software packages. These would be taken care of by Alibaba Cloud.
(True/False)
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Anti-DDoS is one of the major features in Alibaba Cloud Security Service. Many websites have experienced different types of DDoS attacks, an accurate understanding of DDoS is crucial to protecting websites. Which of the following descriptions about DDoS attack is the most accurate one?
(Multiple Choice)
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Which of the following is not the database type supported by RDS?
(Multiple Choice)
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Multiple lower-configuration I/O-optimized ECS instances can be used with ___________ to deliver a high-availability architecture.
(Multiple Choice)
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Alibaba Cloud relational database service (RDS) is a stable, reliable and elastic online database service. RDS supports below database types _______________? (Choose three.)
(Multiple Choice)
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A customer uses Alibaba Cloud Auto Scaling service and creates a scaling group. He/she sets the "Minimum number of instances" to 6 and "Maximum number of instances" to 8. After correctly configuring scaling settings, the customer adds a scaling rule "Remove 5 ECS instances", and creates a scheduled task based on this rule. And then, the customer checks the scaling group and see it already contains 8 valid ECS instances, he/she then enables this scaling group immediately. How many ECS instances are left in the scaling group when the scheduled task is activated once?
(Multiple Choice)
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Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. It supports adding an existing ECS instance into the scaling group but imposes certain requirements on instance region. In this case, which of the following statements is true?
(Multiple Choice)
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Alibaba Cloud OSS is a cloud storage service that features massive capacity, outstanding security, low cost, and high reliability. To control the access to the files stored on OSS, OSS provides multiple access permissions for each bucket. These bucket permissions are ____________. (Choose three.)
(Multiple Choice)
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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?
(Multiple Choice)
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