BCA V SEMESTER Paper code: CS- 27
UNIT - I

1. What is networking? Define its concepts in brief.
2. Define File service and print service in brief.
3. Define communication service and database service in brief.
4. Define security service and print application service in brief.
5. Define LAN, MAN and WAN with an example.
6. Define network models. OR Define per-to-peer and client server network model.
7. Define network topologies. (10 Marks) OR define any two-network topologies. (5 Marks)
8. Define network access methods. (10 Marks) OR Define any two network access methods (5 Marks)


UNIT – II

1. Define De facto and De jure Standards in brief. (5 Marks) OR Define open system standard and close system standard (5 Marks)
2. Define OSI Reference Model.
3. Define 7 Layers of OSI.
4. Describe any layer – 2 device and any layer – 3 device.
5. Define any two layers of OSI with an example.
6. Define SLIP and PPP.
7. Define these words: de facto, de jurie, PPP, SLIP