An Application Stores Payroll Information Nightly in DynamoDB for a Large

question 399

Multiple Choice

An application stores payroll information nightly in DynamoDB for a large number of employees across hundreds of offices. Item attributes consist of individual name, office identifier, and cumulative daily hours. Managers run reports for ranges of names working in their office. One query is. "Return all Items in this office for names starting with A through E". Which table configuration will result in the lowest impact on provisioned throughput for this query?

• A) Configure the table to have a hash index on the name attribute, and a range index on the office identifier
• B) Configure the table to have a range index on the name attribute, and a hash index on the office identifier
• C) Configure a hash index on the name attribute and no range index
• D) Configure a hash index on the office Identifier attribute and no range index

Discuss the long-term and short-term impacts of contractionary monetary policy.

Understand the significance of credibility in monetary policy.

Illustrate the relationship between the Phillips curve, inflation rate, and unemployment rate, including the concept of the natural rate of unemployment.

Elucidate the implications of the Phillips curve for fiscal and monetary policy, including the Friedman and Phelps critique.

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Definitions:

National Saving

The total amount of saving in a country, comprising both private and public saving.

Index Funds

Mutual funds or exchange-traded funds (ETFs) designed to follow certain preset rules so that the fund can track a specified basket of underlying investments.

Managed Mutual Funds

Programs invested in by shareholders that operate with a mix of different investments, all overseen by experienced investment professionals.

Rate of Return

The increase or decrease in the value of an investment during a particular time frame, presented as a percentage of the investment’s original price.