A type of cable that uses glass cladding threads to transmit data is called…….
a) twisted pair
b) coaxial cable
c) fiber optic cable
d) all of these
Which of the
following are characteristics of fiber optic cable?
a) more expensive
b) difficult to install
c) highest data transfer rate
d) all of these
The fiber optic is surrounded by concentric layer of glass is called…..
a) cladding
b) coating
c) jacket
d) none of these
What is the transmission speed of fiber optic cable?
a) up to 2 Gbps
b) up to 3 Gbps
c) up to 4 Gbps
d) up to 5 Gbps
Explanation: Gbps stand for Giga byte per second
Which of the following media communication takes place through air?
a) guided media
b) unguided media
c) transmission mode
d) none of these
How many types of unguided media?
a) one
b) two
c) three
d) four
Explanation: radio waves, microwave, infra-red, satellite
