A Developer Is Creating a Serverless Ecommerce Application That Is

question 58

Multiple Choice

A developer is creating a serverless ecommerce application that is based on AWS Lambda. An asynchronous workflow manages the checkout process and must orchestrate different Lambda functions. The workflow runs one function for each item in the shopping cart. The developer is using AWS Step Functions to orchestrate the process. The checkout process is running the Lambda functions serially, and the developer needs to improve the performance of the process. What should the developer do to meet these requirements?

• A) Use a Choice state to identify the size of the cart and invoke a specific Lambda function with the entire cart content.
• B) Use a Retry field for a second run to process all the items that failed.
• C) Use a Parallel state to iterate over all the items in parallel.
• D) Use a Map state to iterate over all the items in the cart.

Know how internet-based intermediaries function to connect buyers and sellers.

Describe the characteristics of manufacturers' branches and sales offices as wholesaling activities.

Understand the utility of brokers in facilitating transactions between buyers and sellers without taking title to goods.

Identify various multimedia devices and their unique functions.

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Definitions:

Linguistics

The scientific study of language and its structure, including phonetics, syntax, and semantics.

Kinesics

The study of body movements, gestures, and facial expressions as a form of non-verbal communication.

Credibility

The quality of being trusted and believed in or the ability to inspire confidence.

Position

The role, status, or job title an individual holds within an organizational structure, defining their responsibilities and authority level.