The Ultimate Guide to Apache Camel Interview Questions and Answers (2020) | TechGeekNext >>



The Ultimate Guide to Apache Camel Interview Questions and Answers (2020)

  1. Q: What Is Camel?
  2. Q: What are the different patterns of the exchange of messages in camel?
  3. Q: What are the routes are in the Apache Camel?
  4. Q: What is ESB?
  5. Q: In Apache Camel, what is an exchange?
  6. Q: What is Endpoint In Apache Camel?

Q: What Is Camel?
Ans:

Camel can be introduced as a routing engine on a very abstract level. Camel enables us to establish our routing rules for routing messages from source to destination. Camel offers integrated support for many protocols, making it easy for us to implement various systems.

Q: What are the different patterns of the exchange of messages in camel?
Ans:

In Camel, there are two types of patterns of message exchange:
  • In Only: Consumers create an exchange in this pattern of exchange that only includes an In message
  • In Out: Consumer creates an exchange in this exchange pattern that also contains the caller's response message. This pattern is synchronous.

Q: What are the routes are in the Apache Camel?
Ans:

Apache Camel's main functionality is its routing engine. Allocates messages on the basis of the related routes. The route contains the integration logic and flow. It is implemented by means of EIPs and a specific DSL.

Q: What is ESB?
Ans:

Enterprise Service Bus (ESB) approach should be used in all projects, where projects include incorporating a variety of endpoints such as Web Services, JMS, FTP etc. It can be defined as a tool to help you implement the SOA principle.

Q: In Apache Camel, what is an exchange?
Ans:

The message to be routed is present in the Exchange in the Camel route. Apache camel is the message holder and can hold any type of messages like json,xml formats. Apache Camel uses Message Exchange Patterns(MEP).

Q: What is Endpoint In Apache Camel?
Ans:

Camel uses the Endpoint interface to support the Message Endpoint pattern. Endpoints are usually created through a component, and endpoints are usually referenced through their URIs in the DSL.





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