AWS认证SAA-C03每日一题

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【SAA-C03助理级解决方案架构师认证】

A company provides an API to its users that automates inquiries for tax complutations based on item prices.The company experiences a larger number of inquires during the holiday season only that cause slower response times. A solution architect needs to design a solution that is
scalable and elastic.What should the solutions architect do to accomplish this?
A  :   Provide an API hosted on an Amazon EC2 instance. The EC2 instance performs the required computations when the API request is made.

B  :   Design a REST API using Amazon API  Gateway that accepts the item names, API Gateway passes item names to AWS  Lambada for tax computations.

C  :   Create ans Application Load Balancer that has two Amazon EC2 instances behind it. The EC2 instances will compute the tax on the recieved item names.

D  :   Design a REST API using Amazon API Gateway that connects with an API hosted on an Amazon EC2 instance,API Gateway 
accepts and passes the item names to the EC2 instance for tax computations.

正确答案  B