AWS Step Functions

AWS Step Functions is a low-code visual workflow service used to orchestrate AWS services, automate business processes, and build serverless applications

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Views #: 1357

Questions #: 26

Time: 10 minutes

Pass Score: 80.0%

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AWS Step Functions is a low-code visual workflow service used to orchestrate AWS services, automate business processes, and build serverless applications

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True

False

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Choose the capabilities of a serverless platform

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No server management

Pay for value

Flexible scaling

High availability

Full control of the infrastructure running the service

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With Step Functions, an application can pick up where it left off if workflow is interrupted for any reason

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True

False

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Step Functions State

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Step Functions is based on state machines and tasks. A (1) is a workflow. A (2) is a state in a workflow that represents a single unit of work that another AWS service performs. Each (3) in a workflow is a state.

Please drag and drop the selected option in the right place or type it instead

state machine

step

task

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In Step Functions, what type of a state would you choose to debug the state machine?

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Lambda Invoke state

Choice state

Pass state

Wait state

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In Step Functions, a Succeed state can have a next field to update

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True

False

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Select the Step Functions serverless service features

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Automatic Scaling

High Availability

Pay Per Use

Security and Compliance

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Step Functions can be used with healthcare-related information such as personal health information (PHI)

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True

False

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AWS Step Functions has Express Workflows to support event rates greater than _______ per second

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1000

5000

10000

100000

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In AWS Step Functions, the Amazon States Language is a Python-based, structured language used to define your state machine

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In Step Functions, All non-terminal states must have a Next field, except for the Choice state

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False

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In Step Functions, the fields that filter and control the flow from state to state in the Amazon States Language are

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InputPath

ResultPath

OutputPath

Parameters

ResultSelector

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In Step Functions, The Amazon States Language provides several intrinsic functions to allow basic operations without Task states

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True

False

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You can create and manage workflows using the Workflow Studio, which can be accessed through the AWS Step Functions console

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True

False

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What are the workflow types in Step Functions

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Standard Workflow

Express Workflow

Standard and Express Workflows

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Standard and Express Workflows

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(1) Workflows are ideal for long-running, durable, and auditable workflows.
(2) Workflows are ideal for high-volume, event-processing workloads such as IoT data ingestion, streaming data processing and transformation, and mobile application backends

Please drag and drop the selected option in the right place or type it instead

Standard

Express

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Choose the right workflow type

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There is an application designed to process wither sensor data from multiple locations. Sensors send data every second. Their number is over 10000 in different places of the country.

You have been asked to build an orchestration solution to receive, validate, correct, and save it in a DynamoDB. You have been asked to use AWS Step Functions to do this job.

Which workflow type are you going to choose?

Standard Workflow

Express Workflow

Any type

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An ________ is a task that needs to be performed by a worker (a process or application) that is external to AWS Step Functions

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Missing

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What are the features of AWS Step Functions?

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Managing workflows with multiple steps that add flow logic.

Provisioning and managing servers.

Continuing the process where it was left off due to network failure or hung components.

Tracking inputs and outputs between steps of a workflow.

Managing operating system patches and access control.

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What are the benefits of AWS Step Functions?

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Automatic scaling

AWS service integrations

Pre-provisioning AWS services

Launching EC2 instances

High availability

Visual monitoring

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AWS Step Functions maintains application state and tracking

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True

False

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Which workflows do you choose for 100,000 requests per second?

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Standard Workflows

Express Workflows

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Which workflows are ideal for long-running, durable, and auditable workflows?

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Standard

Express

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There can be any number of terminal states per state machine

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True

False

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Which workflow type writes to CloudWatch Logs by default?

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Express Workflows

Standard Workflows

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match the column on the left (AWS Step Functions states) with the terms on the right (states definitions)

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To complete the line match

Click on an item in the first group
Click on an item in the second group
To delete a match, double click on a line

State

Succeed state

Parallel state

Map state

Choice state

Task state

Fail state

Wait state

Pass state

State definition

Passes its input to its output without performing work

Represents a single unit of work performed by a state machine

Adds branching logic to a state machine

Delays the state machine from continuing for a specified time

Stops an activity successfully

Stops the activity of the state machine and marks it as a failure

Can be used to create parallel branches of activity in your state machine

Can be used to run a set of steps for each element of an input array

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Explanation

Professional