The Lambda Function Below Is Being Called Through an API

question 56

Multiple Choice

The Lambda function below is being called through an API using Amazon API Gateway. The average execution time for the Lambda function is about 1 second. The pseudocode for the Lambda function is as shown in the exhibit. What two actions can be taken to improve the performance of this Lambda function without increasing the cost of the solution? (Choose two.)

• A) Package only the modules the Lambda function requires
• B) Use Amazon DynamoDB instead of Amazon RDS
• C) Move the initialization of the variable Amazon RDS connection outside of the handler function
• D) Implement custom database connection pooling with the Lambda function
• E) Implement local caching of Amazon RDS data so Lambda can re-use the cache

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Definitions:

Common Stock

Stock whose owners have voting rights in the corporation, yet do not receive preferential treatment regarding dividends.

Commercial Paper

An unsecured, short-term debt instrument issued by corporations, typically used for the financing of payroll, accounts payable, inventories, and meeting other short-term liabilities.

Long-Term Investment

Financial assets or securities that are held for an extended period, typically for several years or more, with the expectation of substantial returns.