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:

• 'Extensible Messaging and Presence Protocol' (XMPP) is an XML-based 'communication protocol' for message-oriented middleware.
• Decentralization- The XMPP network architecture enables anyone to run their own 'XMPP server' and there is no 'central master server'.
• Interoperability- Custom capability can be created on top of 'XMPP'. Popular extensions are handled by the 'XMPP Standards Foundation' to ensure interoperability.
• Does not support 'Quality of Service (QoS)' - The delivery of messages should be assured through building on top of the 'XMPP' layer.

To know more

What is the Full form of XMPP?

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