A Developer Must Re-Implement the Business Logic for an Order

question 140

Multiple Choice

A Developer must re-implement the business logic for an order fulfilment system. The business logic has to make requests to multiple vendors to decide where to purchase an item. The whole process can take up to a week to complete. What is the MOST efficient and SIMPLEST way to implement a system that meets these requirements?

• A) Use AWS Step Functions to execute parallel Lambda functions, and join the results.
• B) Create an AWS SQS for each vendor, poll the queue from a worker instance, and joint the results.
• C) Use AWS Lambda to asynchronously call a Lambda function for each vendor, and join the results.
• D) Use Amazon CloudWatch Events to orchestrate the Lambda functions.

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Definitions:

Mutual Agreement

A common understanding or an arrangement that is accepted by all parties to a transaction or contract.

Mixed Goods-Services

Mixed goods-services refer to transactions that involve a combination of tangible products and intangible services in a single offering to consumers.

Federal Government

is the national government of a federal state, which holds the authority over the entire nation, distinct from state or local governments.

Good Faith

Acting with honesty and sincerity without any intention to deceive or defraud.