1. The cable that accepts and transports signals in the form of light is
(A) Fiber optic cable
(B) Unwired
(C) Coaxial cable
(D) Twisted pair cable
2. Which transmission media has the highest transmission speed in a network?
(A) Coaxial cable
(B) Optical fiber
(C) Twisted pair cable
(D) Electrical cable
3. Bits can be sent over guided and unguided media as analog signal by
(A) Digital modulation
(B) Amplitude modulation
(C) Frequency modulation
(D) Phase modulation
4. Which of the following is not a transmission medium?
(A) Telephone lines
(B) Coaxial cables
(C) Modem
(D) Microwave systems
5. The loss in signal power as light travels down the fiber is called
(A) Attenuation
(B) Prorogations
(C) Scattering
(D) Interruption
6. The copper wire is the example of
(A) Guided media
(B) Unguided media
(C) Group media
(D) None
7. Transmission media are usually categorized as _______.
(A) Fixed or unfixed
(B) Metallic or nonmetallic
(C) Determinate or indeterminate
(D) Guided or unguided
8. _______ cable consists of an inner copper core and a second conducting outer sheath.
(A) Twisted-pair
(B) Shielded twisted-pair
(C) Fiber-optic
(D) Coaxial
9. In fiber optics, the signal is _______ waves.
(A) Radio
(B) Light
(C) Infrared
(D) Very low-frequency
10. __________ consists of a central conductor and a shield.
(A) Fiber-optic
(B) Coaxial
(C) Twisted-pair
(D) None of the above