Which is true about UML stereotypes?
							Options
 - A stereotype is used for extending the UML language.
 - A stereotyped class must be abstract.
 - The stereotype {frozen} indicates that the UML element cannot be changed.
 - UML Profiles can be stereotyped for backward compatibility.
							CORRECT ANSWER :   A stereotype is used for extending the UML language. 
                            
                            
			        
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