MuleSoft Certification Practice Exam Questions and Answers

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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 What HTTP ... method in a RESTful web service is typically used to replace a resource completely? - PATCH - PUT - POST - GET - ANSWER PUT 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 - ANSWER Create reusable APIs and assets designed to be consumed by other business units. 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 - ANSWER Creates and manages discoverable assets to be consumed by line of business developers. What is the format of documents exchanged in a SOAP request/response interaction? - RAML - JSON - WSDL - YAML - ANSWER WSDL 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 - ANSWER Develop fully functional Mule applications in a hosted development environment What is the maximum number of Mule applications that can run in a Cloud Hub Worker? - 1 - 2 - 4 - 8 - ANSWER 1 What MuleSoft product enables publishing, sharing, and searching of APIs? - API Designer - API MUnit - API Exchange - API Notebook - ANSWER API Exchange What asset can NOT be created using Anypoint Platform Design Center? - API Specifications - Mule Applications - API Fragments - API Portals - ANSWER API Portals 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 - ANSWER attributes In a RAML specification, what attribute defines a query parameter to be optional for a resource? - required: false - optional: true - provided: false - mandatory: false - ANSWER required: false 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 - ANSWER http://dev.acme.com/api/patients?year=2016 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 - ANSWER !include examples/BankAccountsExample.raml 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 - ANSWER Indent "get" method under {flight_id} resource one level down (to the right) 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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} - ANSWER ${https.port} What port number is used to expose the domain URL of a Mule application deployed to CloudHub? - 8081 - 81 - 80 - 8080 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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] - ANSWER #[message.inboundProperties.'http.uri.params'.state] What property of a Mule message is immutable? - Attachments - Outbound properties - Session variables - Payload - Inbound properties - Flow variables - ANSWER 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 - ANSWER The flow variable is accessible in childFlow, can be changed, and changes are seen back in parentFlow. 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER Inbound property What part of a Mule flow can contain a Poll scope? - Async scope - Message source - For Each scope - Message Enricher scope - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER In all batch steps, but not in the On Complete phase [Show More]

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