<span>Wireless networks usually use radio (b) signals to send data. </span>
1. The best option is C) pick an object at random, and keep track of how many copies of an object are left in a game.
2. The best option is D) clockwise and counterclockwise.
3. your 3rd question does not seem to be clear to me.
C.a form used to create a new tables for the database
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.
