Answer:
Purposes of Data Layer, in the Layered model for web applications are as following:-
1. The data Layer,is the third layer and it takes care of the all the operations concerning the database level.
2. This data layer gets a command from the application layer to send a query to the database and will process this command according to the type of database that is used.
3. It will ensure that the correct connections to the database are set.
4. It is represented by the Database.
 
        
             
        
        
        
Answer:
computers 
Explanation:
it is because other remaining are not able to access network
 
        
             
        
        
        
Answer:
Steps to insert an index in a document
Explanation:
- open the document
- click on the <u>references</u> tab either above or below the document
- click the <u>mark entry</u> button
- select a word or group of words for the index
- click on the <u>mark entry</u> dialogue box
- format the page numbers in your index
- format the text for your index entry
- click <u>mark</u>
- click <u>mark all</u>
 
        
                    
             
        
        
        
Answer:
black for font...
and 
white for bg color
Explanation:
i think this is enough for ur question...
 
        
             
        
        
        
Answer:
artistic
Explanation:
because being it is considered a art