MuleSoft MCD-Level-1 Exam
1) What is the output type of the DataWeave map operator?
- A. Object
- B. Array
- C. Map
- D. String
Suggested Answer: C 🗳️
A Mule application contains a global error handler configured to catch any errors.
Where must the global error handler be specified so that the global error handler catches all errors from flows without their own error handlers?
- A. A global element
- B. The pom.xml file
- C. Nowhere, the global error handler is automatically used
- D. A configuration properties file
Suggested Answer: D 🗳️
3) Refer to the exhibits. The Validation component in the private flow throws an error
What response message is returned to a client request to the main flow’s HTTP Listener?
A . Error – private flow
B . Error – main flow
C . Success – main flow
D . Validation Error
Answer: C
Q1: What MuleSoft API-led connectivity layer is intended to expose part of a backend database without business logic?
- experience
- data
- system
- process
- security
Answer: system
Q2)What HTTP method in a RESTful web service is typically used to replace a resource completely?
- PATCH
- PUT
- POST
- GET
- PATCH
- PUT
- POST
- GET
Answer: - PUT
3)What statement is part of MuleSoft's description network?
- Create reusable APIs and assets designed to be consumed by other business units
- Create and manage high availability and fault tolerent services and infrastructure
- Central IT delivers complete point-to-point solutions with master data management
- Create and manage a collection of JMS messaging services and infrastructure
- Create reusable APIs and assets designed to be consumed by other business units
- Create and manage high availability and fault tolerent services and infrastructure
- Central IT delivers complete point-to-point solutions with master data management
- Create and manage a collection of JMS messaging services and infrastructure
Answer: -Create reusable APIs and assets designed to be consumed by other business units.
4) According to MuleSoft, what is the Center for Enablement's role in the new IT operating model?
- Creates and manages discoverable assets to be consumed by line of business developers
- Centrally manages partners and consultants to implement line of business projects
- Implements line of business projects to enforce common security requirements
- Produces & manages API policies for line of business deployments
- Creates and manages discoverable assets to be consumed by line of business developers
- Centrally manages partners and consultants to implement line of business projects
- Implements line of business projects to enforce common security requirements
- Produces & manages API policies for line of business deployments
Answer: -Creates and manages discoverable assets to be consumed by line of business developers.
5) What is the format of documents exchanged in a SOAP request/response interaction?
- RAML
- JSON
- WSDL
- YAML
- RAML
- JSON
- WSDL
- YAML
Answer: - WSDL
6) What is the main purpose of flow designer in Design Center?
- Design API RAML files in a graphical way
- Develop fully functional Mule applications in a hosted development environment
- Define API lifecycle management in a graphical way
- Design and mock Mule application templates that must be implemented using Anypoint Studio
- Design API RAML files in a graphical way
- Develop fully functional Mule applications in a hosted development environment
- Define API lifecycle management in a graphical way
- Design and mock Mule application templates that must be implemented using Anypoint Studio
Answer:- Develop fully functional Mule applications in a hosted development environment
7)What is the maximum number of Mule applications that can run in a Cloud Hub Worker?
- 1
- 2
- 4
- 8
- 1
- 2
- 4
- 8
Answer:- 1
8) What MuleSoft product enables publishing, sharing, and searching of APIs?
- API Designer
- API MUnit
- API Exchange
- API Notebook
- API Designer
- API MUnit
- API Exchange
- API Notebook
Answer:- API Exchange
9)What asset can NOT be created using Anypoint Platform Design Center?
- API Specifications
- Mule Applications
- API Fragments
- API Portals
Answer:- API Portals
10) A client submits a GET request to a Mule 4.0 application to the endpoint /customers?id=48493. Where can the id be accessed in the Mule 4.0 application?
- inbound properties
- variables
- attributes
- payload
- inbound properties
- variables
- attributes
- payload
Answer:- attributes
11) In a RAML specification, what attribute defines a query parameter to be optional for a resource?
- required: false
- optional: true
- provided: false
- mandatory: false
- required: false
- optional: true
- provided: false
- mandatory: false
Answer:- required: false
q12) Refer to the exhibit.
What is the correct URL to perform a GET request to /patients?
#%RAML 1.0
title: ACME Medical API
baseUri: http://dev.acme.com/api
/patients:
get:
queryParameters:
year:
type: integer
- http://dev.acme.com/patients?year=2016
- http://dev.acme.com/api/patients
- http://dev.acme.com/patients
- http://dev.acme.com/api/patients?year=2016
What is the correct URL to perform a GET request to /patients?
#%RAML 1.0
title: ACME Medical API
baseUri: http://dev.acme.com/api
/patients:
get:
queryParameters:
year:
type: integer
- http://dev.acme.com/patients?year=2016
- http://dev.acme.com/api/patients
- http://dev.acme.com/patients
- http://dev.acme.com/api/patients?year=2016
Answer: - http://dev.acme.com/api/patients?year=2016
q13) A RAML example fragment named BankAccountsExample.raml is placed in the examples folder in an API specification project.
What is the correct syntax for to reference the fragment?
- example: !include BankAccountsExample.raml
- example: #import BankAccountsExample.raml
- example: !include examples/BankAccountsExample.raml
- example: #import examples/BankAccountsExample.raml
What is the correct syntax for to reference the fragment?
- example: !include BankAccountsExample.raml
- example: #import BankAccountsExample.raml
- example: !include examples/BankAccountsExample.raml
- example: #import examples/BankAccountsExample.raml
Answer:- !include examples/BankAccountsExample.raml
14) Refer to the exhibit.
There is an error underneath the flight_id resources in the GET method. What needs to be done to fix the problem?
1 #%RAML 1.0
2 title: American Flights API
3 version: 1.0
4
5 /flights:
6 get:
7
8 /{flight_id}:
9
10 get:
11
- remove blank line on row 9
- enclose flight_id with parenthesis () instead of curly braces {}
- indent "get" method under {flight_id} resource one level down (to the right)
- outdent /flight_id
There is an error underneath the flight_id resources in the GET method. What needs to be done to fix the problem?
1 #%RAML 1.0
2 title: American Flights API
3 version: 1.0
4
5 /flights:
6 get:
7
8 /{flight_id}:
9
10 get:
11
- remove blank line on row 9
- enclose flight_id with parenthesis () instead of curly braces {}
- indent "get" method under {flight_id} resource one level down (to the right)
- outdent /flight_id
Answer:- Indent "get" method under {flight_id} resource one level down (to the right)
15) Refer to the exhibits.
What is the syntax to define this datatype in RAML?
<?xml version="1.0" encoding="UTF-8"?>
<music>
<collection>Classic Rock</collection>
<artists>
<artist>Deep Purple</artist>
<artist>Rainbow</artist>
</artists>
</music>
A.
music:
collection: Classic Rock
artists:
- Deep Purple
- Rainbow
B.
music:
collection: Classic Rock
artists:
Deep Purple
Rainbow
C.
music:
collection: Classic Rock
artists: Deep Purple, Rainbow
D.
music:
collection: Classic Rock
artists:
artist: Deep Purple
artist: Rainbow
What is the syntax to define this datatype in RAML?
<?xml version="1.0" encoding="UTF-8"?>
<music>
<collection>Classic Rock</collection>
<artists>
<artist>Deep Purple</artist>
<artist>Rainbow</artist>
</artists>
</music>
A.
music:
collection: Classic Rock
artists:
- Deep Purple
- Rainbow
B.
music:
collection: Classic Rock
artists:
Deep Purple
Rainbow
C.
music:
collection: Classic Rock
artists: Deep Purple, Rainbow
D.
music:
collection: Classic Rock
artists:
artist: Deep Purple
artist: Rainbow
Answer:- D
What is the purpose of the router element in APIkit?
- Routes requests to API implementations, but does not validate them against RAML API specifications
- Routes responses to the caller, but does not validate them against RAML API specifications
- Validates requests against RAML API specifications and routes them to API implementations
- Validates responses returned from API requests and routes them to the caller
- Routes requests to API implementations, but does not validate them against RAML API specifications
- Routes responses to the caller, but does not validate them against RAML API specifications
- Validates requests against RAML API specifications and routes them to API implementations
- Validates responses returned from API requests and routes them to the caller
Answer: Validates requests against RAML API specifications and routes them to API implementations
What is NOT part of a Mule 3 message?
- payload
- inbound properties
- outbound properties
- variables
- attachments
- payload
- inbound properties
- outbound properties
- variables
- attachments
Answer:variables
What is the minimum required configuration in a flow for a Mule application to compile?
- A message processor in the Process section of a flow
- A message processor in the Source section of a flow
- An empty flow
- A message processor in both the Source and Process sections of a flow
- A message processor in the Process section of a flow
- A message processor in the Source section of a flow
- An empty flow
- A message processor in both the Source and Process sections of a flow
Answer:- A message processor in the Process section of a flow
An inbound Database connector is configured to select rows from a MySQL database.
What is the format of results returned from the database query?
- Java
- JSON
- XML
- CSV
What is the format of results returned from the database query?
- Java
- JSON
- XML
- CSV
Answer:- Java
What out-of-the-box policy can safeguard against Denial of Service type attacks?
- Rate limiting
- Throttling
- Cross-origin resource sharing
- LDAP security manager
- Rate limiting
- Throttling
- Cross-origin resource sharing
- LDAP security manager
Answer: Rate limiting
A Mule application properties file named training-DEV.properties has been defined. How is the properties file referenced in the Mule application?
- In an attribute in the main mule element
- In a Property Placeholder element
- As a -M-D placeholder when starting the Mule runtime
- In an attribute in the HTTP Listener element
- In an attribute in the main mule element
- In a Property Placeholder element
- As a -M-D placeholder when starting the Mule runtime
- In an attribute in the HTTP Listener element
Answer:- In a Property Placeholder element
What reserved property can be used in a Mule application to allow an HTTPS Listener to be accessed by external web clients after the Mule application is deployed to CloudHub?
- ${ssl.port}
- ${ssl.listener.port}
- ${https.listener.port}
- ${https.port}
- ${ssl.port}
- ${ssl.listener.port}
- ${https.listener.port}
- ${https.port}
Answer: ${https.port}
What port number is used to expose the domain URL of a Mule application deployed to CloudHub?
- 8081
- 81
- 80
- 8080
- 8081
- 81
- 80
- 8080
Ans: 80
What is NOT a role of an API proxy application running in a Mule runtime?
- Determine which request message is allowed to pass through to the API backend service
- Apply runtime policies to enforce governance
- Measure the traffic flowing through to the API backend service
- Determine which response message is allowed to pass back from the API backend service
- Determine which request message is allowed to pass through to the API backend service
- Apply runtime policies to enforce governance
- Measure the traffic flowing through to the API backend service
- Determine which response message is allowed to pass back from the API backend service
Ans: Determine which response message is allowed to pass back from the API backend service
What happens to the outbound properties of a Mule message after completing an outbound HTTP Request?
- new outbound properties are added from the HTTP response headers
- previous outbound properties are passed through unchanged
- outbound properties are replaced with all the previous inbound properties
- all previous outbound properties are removed
- new outbound properties are added from the HTTP response headers
- previous outbound properties are passed through unchanged
- outbound properties are replaced with all the previous inbound properties
- all previous outbound properties are removed
Ans: All previous outbound properties are removed
What message processor can set the HTTP response status code to 200?
- Variable
- Set Payload
- Property
- Record Variable
- Attachment
- Variable
- Set Payload
- Property
- Record Variable
- Attachment
Ans: Property
A web service implements an API to handle requests to http://acme.com/customers/{state}.
A web client makes a request to this API implementation at http://acme.com/customers/CA.
What is the correct MEL expression to retrieve the value CA?
- #[message.payload.inboundProperties.'http.query.params'.state]
- #[message.inboundProperties.'http.uri.params'.state]
- #[message.payload.inboundProperties.state]
- #[message.inboundProperties.state]
A web client makes a request to this API implementation at http://acme.com/customers/CA.
What is the correct MEL expression to retrieve the value CA?
- #[message.payload.inboundProperties.'http.query.params'.state]
- #[message.inboundProperties.'http.uri.params'.state]
- #[message.payload.inboundProperties.state]
- #[message.inboundProperties.state]
Ans:
#[message.inboundProperties.'http.uri.params'.state]
What property of a Mule message is immutable?
- Attachments
- Outbound properties
- Session variables
- Payload
- Inbound properties
- Flow variables
- Attachments
- Outbound properties
- Session variables
- Payload
- Inbound properties
- Flow variables
Ans: Inbound properties
A Mule application has two flows named parentFlow and childFow. A flow variable is defined in parentFlow. What is the scope of the flow variable when the parentFlow calls childFlow using a flow reference?
- The flow variable is accessible in childFlow but is immutable
- The flow variable is accessible in childFlow, can be changed, and changes are seen back in parentFlow
- The flow variable is NOT accessible in childFlow
- The flow variable is accessible in childFlow, can be changed, but changes are NOT seen back in parentFlow
- The flow variable is accessible in childFlow but is immutable
- The flow variable is accessible in childFlow, can be changed, and changes are seen back in parentFlow
- The flow variable is NOT accessible in childFlow
- The flow variable is accessible in childFlow, can be changed, but changes are NOT seen back in parentFlow
Ans:The flow variable is accessible in childFlow, can be changed, and changes are seen back in parentFlow.
Q30) What is true for a Mule subflow?
- It can have its own exception strategy
- It is executed synchronously
- An external client can send messages directly to it
- It must be in the same configuration file as the parent flow
- It can have its own exception strategy
- It is executed synchronously
- An external client can send messages directly to it
- It must be in the same configuration file as the parent flow
Ans: It is executed synchronously
What is the default processing strategy of a one-way flow?
- Queued-asynchronous
- Synchronous
- Non-blocking
- Thread-per-processor
- Queued-thread-per-processor
- Queued-asynchronous
- Synchronous
- Non-blocking
- Thread-per-processor
- Queued-thread-per-processor
Ans: Queued-asynchronous
What is required for two Mule applications to share data using a VM connector component?
- Put the Mule applications in the same Anypoint Platform environment
- Put the Mule applications in the same Anypoint Platform business group
- Put the Mule applications in the same non-default Mule domain
- Put the Mule applications in the same default Mule domain
- Put the Mule applications in the same Anypoint Platform environment
- Put the Mule applications in the same Anypoint Platform business group
- Put the Mule applications in the same non-default Mule domain
- Put the Mule applications in the same default Mule domain
Ans: Put the Mule applications in the same non-default Mule domain
How are outbound properties automatically passed to an outbound REST request using an HTTP Request component?
- As headers
- As query parameters
- As URI parameters
- In the message payload
- As attachments
- As flow variables
- As headers
- As query parameters
- As URI parameters
- In the message payload
- As attachments
- As flow variables
Ans: As headers
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?
- In two flow variables
- As outbound properties
- As inbound properties
- In the message payload
- As attachments
How are fromCurrency and toCurrency set in the flow in order to call the conversionRate operation using a Web Service Consumer component?
- In two flow variables
- As outbound properties
- As inbound properties
- In the message payload
- As attachments
In the message payload
What file type is required to configure a Web Service Consumer to consume a SOAP web service?
- RAML
- WSDL
- JSON
- OAS
- RAML
- WSDL
- JSON
- OAS
Ans: WSDL
What is NOT a way to pass data to a RESTful web service in a flow using an outbound HTTP Request component?
- Set URI parameters in the HTTP Request component
- Set inbound properties before the HTTP Request component
- Set query parameters in the HTTP Request component
- Set outbound properties before the HTTP Request component
- Set URI parameters in the HTTP Request component
- Set inbound properties before the HTTP Request component
- Set query parameters in the HTTP Request component
- Set outbound properties before the HTTP Request component
Set inbound properties before the HTTP Request component
An exception is caught by a choice exception strategy. How is the exception routed?
- To all exceptions whose conditions evaluate to true
- To the first exception strategy whose condition evaluates to true
- To the first exception strategy whose condition evaluates to true and to the default exception strategy
- To the first exception strategy whose condition evaluates to true and to the global exception strategy
- To all exceptions whose conditions evaluate to true
- To the first exception strategy whose condition evaluates to true
- To the first exception strategy whose condition evaluates to true and to the default exception strategy
- To the first exception strategy whose condition evaluates to true and to the global exception strategy
To the first exception strategy whose condition evaluates to true
How is a default exception strategy set in a Mule application?
- In a configuration global element in any Mule configuration XML file
- In the mule-app.properties file
- As an attribute of one or more flow configuration elements in one or more Mule configuration XML files
- As an attribute of a global exception strategy
- As a JVM system environment variable
- In a configuration global element in any Mule configuration XML file
- In the mule-app.properties file
- As an attribute of one or more flow configuration elements in one or more Mule configuration XML files
- As an attribute of a global exception strategy
- As a JVM system environment variable
In a configuration global element in any Mule configuration XML file
How are conditions used in a Choice flow control?
- To find the first true condition, then routes the message to that and all subsequent target message processors.
- To select a set of target message processors to which to route the same message
- To find the first true condition, then routes the message to the matched Choice target message processor
- To select from the responses after routing the message to every Choice target message processor
- To find the first true condition, then routes the message to that and all subsequent target message processors.
- To select a set of target message processors to which to route the same message
- To find the first true condition, then routes the message to the matched Choice target message processor
- To select from the responses after routing the message to every Choice target message processor
To find the first true condition, then routes the message to the matched Choice target message processor
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?
- An array of JSON objects
- An array of array objects
- An object that contains JSON objects
- The last JSON object
- An array of JSON objects
- An array of array objects
- An object that contains JSON objects
- The last JSON object
An array of JSON objects
How is a data collection routed in a Scatter-Gather flow control?
- The entire message is sent to each route and processed sequentially
- The message is split and different pieces are routed and processed in parallel
- The message is split and different pieces are routed and processed sequentially
- The entire message is sent to each route and processed in parallel
- The entire message is sent to each route and processed sequentially
- The message is split and different pieces are routed and processed in parallel
- The message is split and different pieces are routed and processed sequentially
- The entire message is sent to each route and processed in parallel
The entire message is sent to each route and processed in parallel
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?
- The Mule application stops
- The message is replayed from the start of the flow
- The message is passed to subsequent message processors
- All subsequent message processors are skipped
- The Mule application stops
- The message is replayed from the start of the flow
- The message is passed to subsequent message processors
- All subsequent message processors are skipped
All subsequent message processors are skipped
What message processor will throw an exception if a message payload is not a number?
- Is Number validator
- Is Not Number validator
- Is Number filter
- Is Not Number filter
- Is Number validator
- Is Not Number validator
- Is Number filter
- Is Not Number filter
Is Number validator
A Mule flow has a JMS queue listener as the message source. Where can the next message processor access a JMS message's header?
- Outbound property
- Inbound property
- Payload
- Attachment
- Flow variable
- Outbound property
- Inbound property
- Payload
- Attachment
- Flow variable
Inbound property
What part of a Mule flow can contain a Poll scope?
- Async scope
- Message source
- For Each scope
- Message Enricher scope
- Async scope
- Message source
- For Each scope
- Message Enricher scope
Message source
How is a Poll scope's watermark accessed from a message processor in a flow?
- In a session variable
- In an outbound property
- In an inbound property
- In a flow variable
- In a header
- In a session variable
- In an outbound property
- In an inbound property
- In a flow variable
- In a header
In a flow variable
A File connector is configured to read files from a /mule/input directory. All other File connector settings are the default settings. What happens to a file after it is processed by the File connector?
- The file is moved to /mule/output
- The file is deleted from the input directory, but is not moved anywhere
- The file is moved to /tmp
- The file stays in the input directory
- The file is moved to /mule/output
- The file is deleted from the input directory, but is not moved anywhere
- The file is moved to /tmp
- The file stays in the input directory
The file is deleted from the input directory, but is not moved anywhere
What phase of a batch job using a Batch scope must contain at least one message processor?
- Input
- Load and Dispatch
- Process Records
- On Complete
- Input
- Load and Dispatch
- Process Records
- On Complete
Process Records
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?
- The payload is changed to the modified payload
- The modified payload is stored in a flow variable
- The modified payload is stored as an inbound property
- The payload returns to the original payload
- The modified payload is stored as an outbound property
- The payload is changed to the modified payload
- The modified payload is stored in a flow variable
- The modified payload is stored as an inbound property
- The payload returns to the original payload
- The modified payload is stored as an outbound property
The payload returns to the original payload
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 behavior after the exception is thrown?
- Continues to the third batch step
- Stops processing the entire batch job
- Retries the second batch step
- Retries the first batch step
- Continues to the third batch step
- Stops processing the entire batch job
- Retries the second batch step
- Retries the first batch step
Stops processing the entire batch job
What is the scope of a record variable in a Batch scope?
- In a single batch step, but not in the other batch steps
- In all batch steps, but not in the On Complete phase
- In the message source, each batch step, and the On Complete phase
- In all batch steps, and the On Complete phase
- In a single batch step, but not in the other batch steps
- In all batch steps, but not in the On Complete phase
- In the message source, each batch step, and the On Complete phase
- In all batch steps, and the On Complete phase
In all batch steps, but not in the On Complete phase
https://quizlet.com/519223198/mulesoft-practice-exam-flash-cards/
Question #1
Refer to the exhibit.
The default scope in choice router recursively calls the color flow.
A web client sends a PUT request to the HTTP listener with payload Blue.
What response is returned to the web client?
Question #2
Refer to the exhibits.
The mule application is debugged in Anypoint Studio and stops at the breakpoint as shown in below exhibit.
What is the value of the payload displayed in the debugger at this breakpoint?
Correct Answer: A
Question #3
Refer to the exhibits.
The Batch job processes an array of strings.
What information is logged by the logger component after the batch job scope completes processing of the input payload?
Correct Answer: D
Question #4
Refer to the exhibits.
Set paylaod transformer is set the firstName and lastName of the customer as shown in below images.
What is the correct Dataweave expression which can be added in message attribute of a Logger activity to access firstName (which in this case is Madhav) from the incoming event?
Question #5
A REST connect module is generated for a RAML specification. and then the rest connect module is imported in mule application in Anypoint Studio. For each method of the RAML specification , what does the REST connect module provide?
Correct Answer: C
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