Quiz on Transmission Media

Which transmission media has the highest transmission speed in a network?

• d. Twisted pair cable

• c. Fiber optics cable

• b. Electrical cable

• a. Coaxial cable

What type of modulation is used when the time bits are sent over guided and unguided media as an analog signal?

• a. Analog modulation

• b. Digital modulation

• d. Frequency modulation

• c. Amplitude modulation

What type of cable consists of an inner copper core and a second conducting outer sheath?

• d. Twisted pair cable

• c. Fiber optic cable

• b. Electronic cable

• a. Coaxial cable

What is the frequency range of twisted pair cable?

• a. 0–1 kHz

• b. 0-3.5 kHz

• d. 3.6-4.0 kHz

• c. 7–10 kHz

Which type of cable is the most commonly installed in residential industries for basic phone systems?

• b. Twisted pair cable

• c. Unshielded Twisted Pair cable

• d. Universal double Twisted Pair cable

• a. Coaxial cable

What type of twisted pair cable has a metal foil or braided-mesh covering?

• b. Shielded Twisted Pair

• a. Unshielded Twisted Pair

• c. Coaxial cable

• d. Fiber optic cable

Which coaxial cable is used with thick Ethernet?

• a. 50-Ohm RG-7

• b. 75-Ohm RG-59

• c. 93-Ohm RG-62

• d. 50-Ohm RG-58

What is the major drawback of Baseband coaxial cable?

• d. It is not suitable for LANs

• c. It has low speed

• b. It needs amplification after every 1000 feet

• a. It is expensive

What is the primary material used in fiber optic cables?

• c. Aluminum

• b. Glass or plastic

• d. Steel

• a. Copper

What is the purpose of the outer metallic wrapping in coaxial cables?

• a. To provide insulation

• b. To act as a shield against noise

• c. To enhance signal strength

• d. To connect to devices