Question 49:
KindleYou is a location-based social search mobile app that allows users to like or dislike other users, and allows users to chat if both parties liked each other in the app. It has more than 1 billion customers across the world. They use DynamoDB to support the mobile application and S3 to host the images and other documents shared between users. KindleYou is trying to train some of their new hires on DynamoDB and asked your help to define the different read/write capacity modes for processing reads and writes of the table. Please advice. Select 2 options.
Answer options:
A.On-demand Mode enables billing option capable of serving thousands of requests per second without capacity planning thereby offering pay-per-request pricing for read and write requests. Mostly used for unknown workloads, and unpredictable application traffic B.Provisioned Mode enables billing option capable of serving thousands of requests per second without capacity planning thereby offering pay-per-request pricing for read and write requests. Mostly used for unknown workloads, and unpredictable application traffic C.On-demand Mode enables to specify the number of reads and writes per second that is required for the application and also allow use auto scaling to adjust your table’s provisioned capacity automatically in response to traffic changes. Mostly used for known workloads, and predictable application traffic D.Provisioned Mode enables to specify the number of reads and writes per second that is required for the application and also allow use auto scaling to adjust your table’s provisioned capacity automatically in response to traffic changes. Mostly used for known workloads, and predictable application traffic