A Company Is Building an Application to Track Athlete Performance

question 312

Multiple Choice

A company is building an application to track athlete performance using an Amazon DynamoDB table. Each item in the table is identified by a partition key (user_id) and a sort key (sport_name) . The table design is shown below: (Note: Not all table attributes are shown) A Developer is asked to write a leaderboard application to display the top performers (user_id) based on the score for each sport_name. What process will allow the Developer to extract results MOST efficiently from the DynamoDB table?

• A) Use a DynamoDB query operation with the key attributes of user_id and sport_name and order the results based on the score attribute. Use a DynamoDB query operation with the key attributes of user_id and sport_name and order the results based on the score attribute.
• B) Create a global secondary index with a partition key of sport_name and a sort key of score, and get the results Create a global secondary index with a partition key of and a sort key of score, and get the results
• C) Use a DynamoDB scan operation to retrieve scores and user_id based on sport_name , and order the results based on the score attribute. Use a DynamoDB scan operation to retrieve scores and based on , and order the results based on the score attribute.
• D) Create a local secondary index with a primary key of sport_name and a sort key of score and get the results based on the score attribute. Create a local secondary index with a primary key of and a sort key of score and get the results based on the

Grasp the theoretical frameworks and explanations for different mental disorders.

Recognize the impact of social and cultural factors on the manifestation and understanding of mental disorders.

Understand the risk factors and protective factors associated with suicide.

Differentiate between the symptoms and diagnostic criteria of mood disorders.

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Definitions:

HR Management

The strategic approach to the effective management of people in an organization, focusing on policies and systems to improve employee performance and satisfaction.

Operations Management

The area of management concerned with designing and controlling the process of production and redesigning business operations in the production of goods or services.

Routine

A sequence of actions regularly followed, forming a habitual or fixed procedure.

Ad Hoc

A solution designed for a specific problem or task, not intended for general application or reuse.