Multiplexing is to combine multiple signals (analog or digital) for transmission over a single line or media. A common type of multiplexing combines several low-speed signals for transmission over a single high-speed connection. Multiplexing can be used to achieve large number of signals simultaneously and to reduce the cost of transmission.
A real world example of multiplexing is the transmission from the computer/instrumentation system of a satellite, space craft or other remote vehicle to a ground-based system.
Q2. XYZ Company has two offices in Multan . Each office has 40 systems. Network administrator want to connect both offices, as for as he has no budget issues. Answer the following questions.
Which cable is suitable for networking? Give reasons
Solution:
Company has no budget issue so fiber optic Due to much lower attenuation and interference, optical fiber has large advantages over existing copper wire in long-distance and high-demand applications.
Which network Topology will be used with in the office and why?
Solution:
Star Topology will be used in office / building network. It is a most usable topology in local area network from all over the world. Star topology can be easily put into practice in offices or in a building. It is easy to configure, and you can easily increase computers in a network without any disturbance. You can easily diagnose the error due to central device. In star network if any cable or node failure then there is no effect on entire network.
Which network Topology will be used for connecting two offices and why?
Solution:
Bus Topology will be suitable for networking between these 2 offices / buildings. Bus Topology is used for small and simple network. Bus topology connects all computers in a linear shape with a backbone to connect all computers. it is very easy and understandable. There is no much wires used for connectivity therefore it is less expensive. A user can easily extend a Bus topology because two cables can easily joined with a one long cable.
Which network device will be used to connect two offices?
Solution:
Switches and / or Routers will be used.