How many layers are present in the Internet protocol stack (TCP/IP model)?

Application layer is implemented in ____________

Transport layer is implemented in ______________

The functionalities of the presentation layer include ____________

Delimiting and synchronization of data exchange is provided by __________

Physical or logical arrangement of network is __________

Which network topology requires a central controller or hub?

Which of this is not a guided media?

Coaxial cable consists of _______ concentric copper conductors.

Data communication system spanning states, countries, or the whole world is ________

Data communication system within a building or campus is________

If an Optical Carrier is represented as OC-n, generally the link speed equals(in Mbps) __________

Fiber optics posses following properties __________

Geostationary satellites ___________

Radio channels are attractive medium because __________