Question

Which of these is TRUE for XMPP?
a. It is decentralized
b. It supports interoperability
c. It does not guarantee QoS
d. All of these

Answer 1

Extensible Messaging and Presence Protocol (XMPP) is a communication protocol for message-oriented middleware based on XML(Extensible Markup Language).

The technologies have been in use since 1999. It is implemented by a large number of clients, servers, and code libraries.

The option D All of these is correct. Its strength includes- It is decentralized and supports interoperability.

Its weakness is- It does not guarantee QoS(Quality of Service).

Answer 2

All of these are TRUE for XMPP.

Option: (d)

Explanation:

• XMPP is an open system approach with open standard system. It can be defined as a communication protocol that can be used for message oriented middleware software based on XML language.

• It allows real time exchange of structured data with extensions over two or more network entities. The older name was Jabber.

• It has been designed primarily to publish subscribe systems, file transfer, video, VoIP signaling, IoT, gaming and other applications like social networking service and smart grid.  

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