Welcome to your Quiz | DFD
						 
									 
									
										1. 
								In a DFD, external entities are represented by a ___ 
			
		
						 
									
										2. 
								External entities may be a ___ 
			
		
						 
									
										3. 
								A data store in DFD represents 
			
		
						 
									
										4. 
								Data cannot flow between a store and 
			
		1) a store
2) a process
3) an external entity
	 
		
						 
									
										5. 
								Data cannot flow from en external entity to an external entity because 
			
		
						 
									
									
									
										8. 
							
		By leveling a DFD, we mean
	 
		
						 
									
										9. 
								The following DFD is NOT correct as 
			
		
						 
									
										10. 
								The following DFD is not correct as