Explanation: Extensible Markup Language (XML) Technologies are used in XML based network management. It is used along with SNMP in order to resolve management of network elements in an ad- hoc manner. It resolves the problem of configuration management faced in SNMP. Whereas Cascading style Sheet (CSS) is a language used for styling web pages. JavaScript Notation (JSON), on the other hand, is somewhat similar to XML and is used for serializing data. Hypertext Markup Language (HTML) is used for building web applications.