What are the three main types of media used in modern networks?

• All of the above

• Glass fibers

• Wireless transmission

• Metal wires

What is the primary function of network media?

• To provide a channel for data transmission

• To store data

• To encode data

• To secure data

Which type of cable is most commonly used in Ethernet technology?

• Fiber-optic cable

• Twisted-pair cable

• Coaxial cable

• Shielded cable

What is the purpose of twisting wires in twisted-pair cables?

• To increase length

• To reduce interference

• To improve flexibility

• To enhance color

What type of cable is used by cable TV companies?

• Ethernet cable

• Coaxial cable

• Twisted-pair cable

• Fiber-optic cable

What is the main advantage of fiber-optic cables over copper cables?

• More flexibility

• Easier installation

• Higher bandwidth

• Lower cost

What does the term 'bandwidth' refer to?

• The type of media used

• The cost of installation

• The distance a signal can travel

• The capacity to carry data

Which organization is responsible for defining physical layer standards?

• IETF

• IEEE

• All of the above

• ANSI

What is the maximum distance that multimode fiber can typically carry a signal?

• 500 meters

• 100 meters

• 1000 meters

• 2000 meters

What is the primary disadvantage of copper cabling?

• High cost

• Low flexibility

• Limited distance

• High bandwidth