Answer: URN(Uniform Resource Name) is the basically a subset of the Uniform Resource identifier(URL). It uses "urn"scheme for the working an implementation. Uniform resource name functions by identifying components uniquely through their name.
The most common example of URN is ISBN (International Standard Book Number)number which helps in the unique searching and identification of book.
 
        
             
        
        
        
Answer:
The answer is "using validation error".
Explanation:
The validation error is used to response the test for one of the queries is activated to the participant, which may not properly answer the question. These errors go up continuously after each time, the processing rate is too high and also the method is different.  
- These errors are also unless to increase when they are actually in the problem.  
- The training level will be that, if the learning error may not increase when the model overrides the learning set and you should stop practicing.
 
        
             
        
        
        
Answer:
Check the explanation
Explanation:
Kindly check the attached image below to see the step by step explanation to the question above.
 
        
             
        
        
        
Answer:
the answer is adding and deleting rows
 
        
             
        
        
        
The answer is : Cache.  It is a small amount of memory stored on the central processor for easy access.  Cache is where active data are placed for easier access, it stores recently used information so that it can be quickly accessed at a later time. Some types of cache are browser cache, disk cache, memory cache, and processor cache.