What is the main purpose of a data link content monitor ?
To detect problem in protocols.
To determine the type of switching used in a data link.
To determine the type of transmission used in a data link.
To determine the flow of data.
Which of the following performs modulation and de modulation?
fibre optic
satellite
coaxial cable
modem
A______________ is an interconnected collection of autonomous computers.
Network
Files
Protocol
Topology
http ?
hyper text transfer protocol.
hyper text table protocol.
hyper text transmission protocol.
high text table port.
E - cash can be ____________ for micro payment ?
Usefull.
Uneconomical.
Economical.
Effective.
A 2400 character text file has to be transmitted by using a 1200 baud modem can you tell how long will it take ?
2 seconds.
20 seconds.
120 seconds.
12 seconds.
A______________ is a permanent telephone connection between two points set up by a government-regulated organization that provides telecommunications services to the public.
Which of the following is primarily used guided media ?
Cellular telephone system.
Local telephone system.
Satellite communications.
Radio broadcasting.
