The Lambda Function Below Is Being Called Through an API

question 286

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? (Select 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:

Inflation Rate

How fast prices for goods and services overall go up, causing the value of money to go down.

Real Price

The price of a good or service after adjusting for inflation, reflecting the true purchasing power.

CPI

Consumer Price Index, a measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care.

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Steel shapes used in construction that are designed to bear heavy loads and form the skeleton of buildings and bridges.