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Here are MuleSoft interview questions for fresher as well as experienced candidates to get the dream job.
1) What is MuleSoft?
MuleSoft is an integration platform for connecting enterprise and SaaS applications in the cloud and on-premise.
2) List types of variables in MuleSoft
Types of variables in MuleSoft are:
3) What are the various types of messages in MuleSoft?
Various types of messages in MuleSoft are: 1) echo and log message, 2) bridge message, and 3) build message.
4) Explain Mule ESB
Mule ESB is an architecture developed for programmers. They can integrate a range of applications together using the bus-like infrastructure. Mule ESB can be integrated with HTTP, web service, JMS, etc.
5) What is fan-in?
Fan-in helps in taking a decision to continue flow execution. It be used in combination with fan out.
6) What is a fan-out?
Fan out is primitive that can be used to input messages through the output terminal once or more than one time. It can also be used as a combination of both fan-out and fan-in.
7) Mention the features of Mule ESB
The features of Mule ESB are:
8) Mention the basic principles of ESB Integration
The basic principles of ESB integration are:
9) What is Mule Expression Language?
MEL or Mule Expression Language is a light-weight mule specific language that can be used to access and evaluate data in the payload.
10) List various types of endpoints in Mule ESB
Various types of Endpoints in Mule are 1) JMS, 2) HTTP, 3) SMTP, 4) IMAP, and 5) AJAX.
11) What is the full form of SDO?
The full form of SDO is a Service Data Object.
12) Mention different types of Exception Handling
Different types of exception handlings are:
13) What are the advantages of using ESB?
The advantages of using ESB are:
14) What is a transient context?
Transient context is used to pass the values within the existing flow, either requesting flow or the responding flow.
15) What is Mule Transformer?
Mule transformer is an event instance that refers to a library, org.mule.api.MuleEvent. This object carries the message with the event. The main aim of the Mule transformer is to create a chain of transformers.
16) What is API?
API is the acronym for Application Programming Interface. It is a software interface that allows two applications to interact with each other without any user intervention.
APIs provides product or service to communicate with other products and services without having to know how they're implemented.
17) What are the features of API?
Here are some essential features of API:
18) What is the payload in MuleSoft?
The payload is a mule runtime variable that stores objects or arrays. It helps developers to access payload under different forms.
19) What are the various parts of composing a message in Mule?
Different parts of composing a message in Mule are:
20) Mention flow processing strategies in MuleSoft.
MuleSoft has six types of strategy for flow processing:
21) Explain the concept of Correlation Context.
It is a primitive that is used to pass values from request flow to response flow.
22) Mention different types of primitives used in Mediation
Different types of primitives used in Mediation are:
23) Name different types of ESPs used in the market
Different types of ESPs used in the market are:
24) Define the model layer in mule
The model layer is the first logical layer. It represents the runtime environment that hosts services. This layer describes the behaviour of Mule when processing requests that are handled by services. It offers services with default values to simplify configuration.
25) Explain connector in MuleSoft
A connector in Mule controls how a particular protocol used. It can be configured with parameters which are specific to that protocol. The connector holds any state context which can be shared with any entity in charge of actual communications.
26) What is Endpoint in Mule?
An endpoint in MuleSoft indicates a particular usage of a protocol. It is for polling, reading from, or writing to a destination.
Therefore, it controls what underlying entities would be used with a dependent connector.
27) Define component in Mule
Components perform an important role in MuleSoft services. Every service is organized with core components and core and inbound and outbound routers.
They are used to implement behavior in service. It can be very simple, like logging messages or invoking other services.
28) What is the use of Outbound Endpoint in MuleSoft?
Outbound Endpoint in MuleSoft is used to perform the following things:
29) Define configuration builders In MuleSoft
MuleSoft is a configuration builder to translate a configuration file into the graph of the object that makes the running node of ESB.
30) List the types of configuration builders in MuleSoft
Types of configuration builders In MuleSoft are 1) Spring-driven builder and 2) script builder.
31) What Is TSD in Mule?
TSD or transport service descriptor is a connector used for technical configuration. It defines classes name used for message receivers, dispatchers, and requesters. This default value can vary to grasp the behaviour of transport.
32) Define multicasting router in MuleSoft
Multicasting router in MuleSoft sends messages to more than one endpoints over different transports. It allows the user to move the same messages across different endpoints.
33) What are the characteristics of Global Endpoint?
Characteristics of global endpoint are:
34) Explain VM transport in MuleSoft
The VM (Virtual Machine) transport is a special type of transport that can be used to send a message via memory. These messages never leave the Java Virtual Machine, and the Mule instance is running in.
35) Name different types of web services
Different types of web services: 1) RESTful web services and 2) SOAP web services.
36) What are Web Services?
Web services are a standardized way or medium to propagate communication between the client and server applications on the World Wide Web.
37) What is Restful Web Service?
Restful Web Service is a light-weight, maintainable, and scalable service that is built on the REST architecture. Restful Web Service, expose API from your application in a secure, uniform, stateless manner to the calling client. The calling client can perform predefined operations using the Restful service.
38) Mention the difference between SOAP and REST
The difference between SOAP and REST is:
SOAP | REST |
SOAP stands for Simple Object Access Protocol | REST stands for Representational State Transfer |
SOAP cannot make use of REST since SOAP is a protocol, and REST is an architectural pattern. | REST can make use of SOAP as the underlying protocol for web services because, in the end, it is just an architectural pattern. |
SOAP can only work with XML format. As seen from SOAP messages, all data passed is in XML format. | REST offers various data formats such as JSON, plain text, HTML, XML, etc. But the most preferred format for transferring data is JSON. |
39) What is RAML?
The full form of RAML is the RESTful API Modeling Language. It is a YAML-based language that describes RESTful APIs.
RAML is best for the information needed to describe RESTful APIs. It is similar to WSDL (Web Services Description Language).
RAML contains request/response schema, URI parameter, endpoint URL, HTTP methods, and query.
40) What is caching?
The cache concept is a way of storing the copy of the file in the cache, or any temporary storage location to access it quickly.
41) What are the Models?
Model is a grouping of services that are created in MuleSoft studio. User has the liberty to start and stop all the services inside a particular model.
42) Name supported languages by MuleSoft
Supported languages of MuleSoft are 1) Ruby, 2) Python, 3) Groovy, and 4) JavaScript.
43) List various the categories of Mule Processors
Categories of Mule Processors are: 1) Components, 2) Exception strategies, 3) Business events, 4) Routers, 5) Connectors, and 6) Transformers.
44) What are the configuration patterns provided by MuleSoft?
Configuration patterns provided by of MuleSoft are:
45) What are the advantages of the logger component?
The advantages of the logger component are:
46) What is scheduler Endpoint?
Scheduler Endpoint is a MuleSoft component or middleware are working on time-based conditions. It allows the user to trigger whenever this condition is met.
47) Explain the parameters to configure a scheduler
Parameters related to configuring a scheduler are:
48) What is Choice Router?
Choice Router dynamically routes messages using a flow. It is based on a set of DataWeave expressions to evaluate the message content.
49) What is a Scatter-Gather Router?
Scatter-Gather Router is the most used routing event processor. It can send a request message to more than one target concurrently. This router then collects responses from all routes and aggregate back into one response.
50) What are error types in MuleSoft?
Following are the effort types:
51) What are the features of MUnit?
The features of MUnit are:
52) What is Exchange?
Exchange is a hub for the development team. It is used to store and access API, connectors, templates, documentation, and more.
53) What are the advantages of SOAP?
The advantages of SOAP are:
54) Define Batch Jobs in Mule ESB
A batch job is an element in Mule that split large size messages into records that process asynchronously in a batch job.
55) Explain the Mule data integrator.
A mule data integrator is a tool that is used for mapping data by visualizing it. It offers drag and drop feature to make a developer's coding process easier.
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