A Current Architecture Uses Many Lambda Functions Invoking One Another

question 206

Multiple Choice

A current architecture uses many Lambda functions invoking one another as large state machine. The coordination of this state machine is legacy custom code that breaks easily. Which AWS Service can help refactor and manage the state machine?

• A) AWS Data Pipeline
• B) AWS SNS with AWS SQS
• C) Amazon Elastic MapReduce
• D) AWS Step Functions

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Definitions:

Sinking Fund

Facilitates the orderly retirement of a bond issue. This can be achieved in one of two ways: the company can call in for redemption (at par value) a certain percentage of bonds each year or the company may buy the required amount of bonds on the open market.

Equilibrium

The condition under which the intrinsic value of a security is equal to its price; also, its expected return is equal to its required return.

Yield Curve

The curve that results when the yield to maturity is plotted on the y-axis with term to maturity on the x-axis.

Junk Bonds

High-risk, high-yield bonds issued to finance leveraged buyouts, mergers, or troubled companies.