A company uses DynamoDB as a data store for various kinds of customer data, such as user profiles, user events, clicks, and visited links. Some of these use$-$cases require a high request rate $($millions of requests per second$),$ low predictable latency, and reliability. The company now wants to add a caching layer to support high read volumes.As a solutions architect, which of the following AWS services would you recommend as a caching layer for this use$-$case? $($Select two$)$