Module 1: Mule 3 Fundamentals: Introducing API-Led
Connectivity: Quiz
Q1: What MuleSoft API-led connectivity layer is intended
to expose part of a backend database without business logic?
A1: System.
Q2: What HTTP method in a RESTful web service is
typically used to replace a resource completely?
A2: PUT
Q3: What statement is part of MuleSoft’s description of
an application network?
A3: Create reusable APIs and assets designed to be
consumed by other business units.
Q4: According to MuleSoft, what is the Center for
Enablement’s role in the new IT operating model?
A4: Creates and manages discoverable assets to be
consumed by line of business developers.
Q5: What is the format of documents exchanged in a SOAP
request/response interaction?
A5: WSDL
Q6: What is the main purpose of Flow Designer in Design
Center?
A6: Design and develop fully functional Mule applications
in a hosted development environment.
Q7: What is the maximum number of Mule applications that
can be run in a CloudHub Worker?
A7: 1
Q8: Which MuleSoft product enables publishing, sharing,
and searching of APIs?
A8: API Exchange
Q9: Which asset can NOT be created using Anypoint
Platform Design Center?
A9: API Portals
Q10: What language does the Transform component use to
define data transformation?
A10: DataWeave.
Module 2: Mule 3 Fundamentals: Designing APIs: Quiz
Q1: In a RAML specification, what attribute defines a
query parameter to be optional for a resource?
A1: required:
false
Q2: What is the correct URL to perform a GET request to
/patients?
A2: ‘http://dev.acme.com/api/patients?year=2016’
Q3: A RAML example fragment named BankAccountsExample.raml
is placed in the examples folder in an API specification folder. What is the
correct syntax for to reference the fragment?
A3: example: !include examples/BankAcountsExample.raml
Q4: The following is wrong. How do we fix it?
A4: Indent “get” method under {flight_id} resource one
level down (to the right)
Q5: What is a valid way to represent this XML example in
RAML?
A5:
music:
collection: Classic Rock
artists:
artist: Deep Purple
artist: Rainbox
Module 3: Mule 3 Fundamentals: Building APIs: Quiz
Q1: What is the purpose of the router element in APIkit?
A1: Validates the requests against RAML API
specifications and routes them to API implementation.
Q2: What is NOT part of a Mule 3 message?
A2: Variables
Q3: What is part of a Mule 3 message?
A3: Payload, Inbound Properties, Outbound Properties,
Attachments.
Q4: What is the minimum required configuration in a flow
for a Mule application to compile?
A4: A message processor in the Process section of a flow.
Q5: An inbound Database connector is configured to select
rows from a MySQL database. What is the format of results returned from the
database query?
A5: Java
Module 4: Mule 3 Fundamentals: Deploying and Managing
APIs: Quiz
Q1: What out-of-the-box policy can safeguard against
Denial of Service type attacks?
A1: Rate limiting.
Q2: A Mule application properties file named
training-DEV.properties has been defined. How is the properties’ file referenced
in the Mule applications?
A2: In a Property
Placeholder element
Q3: What reserved property can be used in a Mule
application to allow a HTTPS Listener to be accessed by external web client
after the Mule application is deployed to CloudHub?
A3: ${https.port}
Q4: What port number is used to expose the domain URL of
a Mule application deployed to CloudHub?
A4: 80
Q5: What is NOT a role of an API proxy application
running in a Mule runtime?
A5: Determine which response message is allowed to pass
back from the API backend service
Q6: What is a role of an API proxy application running in
a Mule runtime?
A6.1: Determine which request message is allowed to pass
through to the API backend service.
A6.2: Apply runtime policies to enforce governance.
A6.3: Measure the traffic flowing through to the API backend
service.
Module 5: Mule 3 Fundamentals: Accessing and Modifying
Mule Messages: Quiz
Q1: What happens to the outbound properties of a Mule
message after completing an outbound HTTP Request?
A1: All previous outbound properties are removed.
Q2: What message processor can set the HTTP response
status code to 200?
A2: Property
Q3: A web service implements an API to handle request to:
‘http://acme.com/customers/{state}’.
A web client makes a request to: ‘http://acme.com/customers/CA’.
What is the correct MEL expression to retrieve the value
CA?
A3: #[message.inboundProperties.’http.uri.params’.state]
Q4: What property of a Mule message is immutable?
A4: Inbound properties.
Q5: What is the correct Mule expression for accessing the
city Cleveland from the JSON payload?
[
{
...
},
{
...
"city": "Cleveland",
...
},
...
]
A5: #[message.payload[1].city]
Module 6: Mule 3 Fundamentals: Structuring Mule
Applications: Quiz
Q1: A mule application has two flows named parentFlow and
childFlow. A flow variable is defined in parentFlow. What is the scope of the
flow variable when the parentFlow calls childFlow using a flow reference?
A1: The flow variable is accessible in childFlow, can be
changed, and changes are seen back in the parentFlow.
Q2: What is true for a Mule subflow?
A2: It is executed synchronously.
Q3: What is false for a Mule subflow?
A3-1: It can have its own exception strategy.
A3-2: An external client can send messages directly to
it.
AS-3: It must be in the same configuration file as the
parent flow.
Q4: What is the default processing strategy of a one-way
flow?
A4: Queued-asynchronous.
Q5: What is required for two Mule applications to share
data using a VM connector component?
A5: Put the Mule applications in the same non-default
Mule domain.
Module 7: Mule 3 Fundamentals: Consuming Web Services:
Quiz
Q1: How are outbound properties automatically passed to
an outbound REST request using an HTTP Request component?
A1: As headers
Q2: From the below, what is the URL to get patient
information for patient 49284?
/patient/{id}
uriParameters:
id:
displayName: Patient ID
get:
queryParameters:
hospital:
type: number
required: true
description: Hospital ID the patient
belongs to
date:
type: date-only
required: false
description: Date the patient was
serviced
A2: /patient/49284?hospital=984
Q3: A WSDL defines a conversionRate operation with an
input message that requires two parts: fromCurrency and toCurrency. How are
fromCurrency and toCurrency set in the flow in order to call the conversionRate
operation using a Web Service Consumer component?
A3: In the message payload.
Q4: What file type is required to configure a Web Service
Consumer to consume a SOAP web service?
A4: WSDL
Q5: What is NOT a way to pass data to a RESTful web
service in a flow using an outbound HTTP Request component?
A5: Set inbound properties before the HTTP Request
component.
Q6: What ways are there to pass data to a RESTful web
service in a flow using an outbound HTTP Request component?
A6-1: Set URI parameters in the HTTP Request component.
A6-2: Set query parameters in the HTTP Request component.
A6-3: Set outbound properties before the HTTP Request
component.
Module 8: Mule 3 Fundamentals: Handling Errors: Quiz
Q1: An exception is caught by a choice exception
strategy. How is the exception routed?
A1: To the first exception strategy whose condition
evaluates to true.
Q2: The Groovy component in Flow2 causes an exception to
be thrown. What is the expect payload that will be returned by the HTTP
endpoint?
A2: FLOW 1
Q3: How is a default exception strategy set in a Mule
application?
A3: In a configuration global element in any Mule
configuration XML file.
Q4: The mainFlow calls childFlow, which throws an
exception. What log message is NOT printed out after childFlow throws an
exception?
+
defaultExceptionStrategy
^ mainFlow:
Choice Exception Strategy
^ childFlow
A4: Catch mainFlow exception.
Q5: What happens to the Mule application when the JMS
server goes offline while there are no pending client requests being
processed?
A5: Neither of the two exception strategies is called -
the application continues running!
Module 9: Mule 3 Fundamentals: Controlling Message
Flow: Quiz
Q1: How are conditions used in a Choice flow control?
A2: To find the first true condition, then routes the
message to the matched Choice target message processor.
Q2: A Scatter-Gather flow control sends the inbound
message to three separate HTTP requests. Each request returns a JSON object.
What is the final output of the Scatter-Gather flow control?
A2: An array of JSON objects.
Q3: How is a data collection routed in a Scatter-Gather
flow control?
A3: The entire message is sent to each route and
processed in parallel.
Q4: A Payload filter is configured to test for type
java.lang.String. What happens when the filter is passed a message with the
payload null?
A4: All subsequent message processors are skipped.
Q5: What message processor will throw an exception if a
message payload is not a number?
A5: Is Number validator
Module 10: Mule 3 Fundamentals: Writing DataWeave
Transformations: Quiz
Q1: What is the result of the DataWeave code?
%dw 1.0
%output
application/xml
---
{
"fName": "John",
"lName": "Doe"
}
A1: An exception!
Remember: When
mapping array elements (JSON or JAVA) to XML, wrap the map operation in {(...)}
Q2: What type of output results when the DataWeave
expression is applied to the sample payload?
A2: Array
Q3 (top of image): What is valid DataWeave to access the
individual elements of empDetails and convert the output to JSON?
A3 (bottom of image):
Q4: With the following structure, what DataWeave
expression results in an ArrayList containing all albums and all artists?
A4: payload.music.artists.*artist.discography.*album
Q5: The correct way to format the decimal 20.3844 as a
string to two decimal places?
A5: 20.3844 as
:string {format: " .0#"}
Module 11: Mule 3 Fundamentals: Connecting to
Additional Resources: Quiz
Q1: The JMS is set for one-way communication. In what order are entries added to the application
log?
A1: Entry, Exit, JMS Start, JMS End
Q2: A Mule flow has a JMS queue listener as the message
source. Where can the next message processor access a JMS message’s header?
A2: Inbound property
Q3: What part of a Mule flow can contain a Poll scope?
A3: Message source
Q4: How is a Poll scope’s watermark accessed from a
message processor in a flow?
A4: In a flow variable.
Q5: A file connector is configured to read files from a /mule/input
directory. All other File connector settings are default settings. What happens to a file after it is processed by
the File connector?
A5: The file is deleted from the input directory, but is
not moved anywhere.
Module 12: Mule 3 Fundamentals: Processing Records
(Batch): Quiz
Q1: What phase of a batch job using a Batch scope must
contain at least one message processor?
A1: Process Records.
Q2: A message payload is modified using a Message Enricher
scope with an empty target. What is true about the message payload that leaves
the Message Enricher scope?
A2: The payload returns to the original payload.
Q3: A Batch scope has three batch steps. A message
processor in the second batch step throws an exception because the input data
is incomplete. What is the default behaviour after the exception is thrown?
A3: Stops processing the entire batch job.
Q4: What is the scope of a record variable in a Batch
scope?
A4: In all batch steps but not in the On Complete phase.
Comments
Post a Comment