SWF

Question 1

SWF =

Answer 1

simple workflow service

Question 2

what does simple workflow service do?

Answer 2

It’s a Web service that makes it easy to coordinate work
across distributed application components.
It’s a way of coordinating work across
a whole bunch of different components
within your application.

Question 3

swf is a way to mix automated tasks with human tasks

t or f

Answer 3

t

Question 4

SQS has a retention period of up to ___ days

SWF, workflow executions can last up to ___

Answer 4

14

1 year

Question 5

t or f

swf presents a task oriented api, whereas sqs offers a message oriented api

Answer 5

t

Question 6

swf keeps track of all the tasks and events in an app. with sqs, you need to implement your own app level tracking especially if you app uses multiple queues

Answer 6

yes

Question 7

swf ensures that a task is assigned once and is never duplicated.

with sqs you need to handle duplicate messages and may also need to ensure that a message is processed only once.

t or f

Answer 7

t

Question 8

___ ____ - an app that cna initiate (start) a workflow. could be your ecommerce website following theplacement of an order, or mobile app searhcing for bus times.

Answer 8

workflow starters

Question 9

____ - controls the flow of activity tasks in a workflow execution. if something has finished (or failed) in a workflow, this thingy decides what to do next.

Answer 9

decider

Question 10

____ ___ carry out activity tasks for swf

Answer 10

activity workers