ACP-Cloud1 practice questions, page 4 of 6, with answer review and explanations.
Question 16
Which of the following statements is wrong about changing the specification of an RDS instance?
The specification of an RDS instance can be upgraded as needed
The service will not be interrupted during upgrade/downgrade
The database version cannot be downgraded
MySQL 5.1 can be directly upgraded to MySQL 5.6
Question 17
Company F launched a new App and put the installation package (size: 6 Mb) on its official website (hosted on Elastic Compute Service (ECS)). In the beginning, the download speed was acceptable. However, due to an advertising event on CCTV last week, the number of installation package downloads drastically increased, resulting in poor user experience and significant increase in ECS bandwidth cost. Company F can select Alibaba Cloud ______________ service to solve download speed and bandwidth cost problems at the same time.
Object Storage Service (OSS) + Content Delivery Network (CDN)
Object Storage Service (OSS) + Auto Scaling
Object Storage Service (OSS) + ApsaraDB for RDS
Auto Scaling + Elastic Compute Service (ECS) instance
Question 18
Company G developed a shopping App. The system is constructed based on Alibaba Cloud products. They use Elastic Compute Service (ECS) instances and Object Storage Service (OSS) in North China 1 region, and store static web pages and images on OSS. After the App went online, the access speed in mainland China is acceptable. Recently, the company decided to expand to the U.S. market and requires an acceptable access speed to for U.S. users. To address this requirement, company G should select Alibaba Cloud _______________ service.
Enabling Object Storage Service (OSS) + Content Delivery Network (CDN) in East China 1 and North China 2 regions
Enabling Object Storage Service (OSS) + Content Delivery Network (CDN) in West US (Silicon Valley) region
Enabling Auto Scaling and more Elastic Compute Service (ECS) instances
Enabling Auto Scaling and Content Delivery Network (CDN)
Question 19
The effect of CDN is highly related to the scenario that is used. _______________________ is not an applicable scenario to use CDN.
Personal netdisk service having low repeated access rate
Pure static enterprise website
Short video delivery website
Application download site
Question 20
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. To ensure ECS instances created by Auto Scaling can correctly response to user requests without additional configuration, applications deployed on these ECS instances must be _______________.