1- As a network student, what is your understanding of the concept that allows users to access software or even share the desktop from another system and also allows the users to access data remotely...

1- As a network student, what is your understanding of the concept that allows users to access software or even share the desktop from another system and also allows the users  to access data remotely via mobile devices or laptops or desktop pcs. Discuss about any ONE advantage of the service.

2- A Television broadcasting service uses a single coaxial cable with a bandwidth of  680 MHz   to transmit multiple TV channels to their subscribers.

Each TV channel is 6 MHz wide. How  many channels can be carried if each channel has to be separated by  a 1 MHz guard band?