mdidrisraza

                                                   NETWORK  Q. What is Network ?   Ans- when a two or more device are inter connected with each other  is known as network.  Q. How many types of network . Ans- There are five types . 1. LAN  2. CAN  3. PAN 4. MAN  5. WAN Common types of networks LAN ,  MAN  , WAN   Q. What is Lan ? Ans- It stands for local area network that connect computer within a limit area .    ex- office ,  school   Q. What is Man ? Ans- It stands for metropolitan area network .                        OR   A man is basically uses bigger version of a lan  and normally uses similar technology .    Ex- Entire city . Q. what is Wan ? Ans - It stands for wide area network and not r...

                                                                  OSI MODEL   Application layer -:    This is the 7th layer of osi model which directly deals with and user application  Ex-: Gmail, common protocal which work on this layer , HTTP , SMPT , TALNET , IMP .  PRESENTATION LAYER -: THIS  IS THE 6TH LAYER OF  OSI  MODEL , THE WORK OF IS TO CHECK WHAT IS FORMATE OF DATA INPORT DATA  INCRISTION DESCRIPTION AND COMPRESSION , DECOMPRESSION . * THIS LAYER MAINLY RESPONSIBLE TO MAKE DATA UNDER STANDABLE FOR APPLICATION LAYER.  SESSION LAYER -:   THIS LAYER IS MAINLY RESPONSIBLE FOR CREATING , TERMINATE , RECONNECT AND MANAGE SESSION. TRANSPORT LAYER -: THE WORK OF TRANSPORT LAYER IS PORT TO PORT DELIVERY ALSO KNOWNS AS END TO END DELIVERY . TRANSPORT LAYER CREATE SEG...