CISCO1 Module 4: Physical Layer Quiz

What are the types of fiber media used in networking?

• Single-Mode Fiber

• Multimode Fiber

• Coaxial Cable

• UTP Cable

What are the limitations of wireless media?

• Limited coverage area

• Susceptibility to interference

• Security concerns

• Shared medium operation

What is the purpose of color-coded plastic insulation in copper cabling?

• To prevent physical damage

• To identify each pair of wires

• To shield the inner conductor

• To transmit electronic signals

What is the main difference between UTP and STP cabling?

• UTP uses cancellation to limit crosstalk

• STP has shielding to limit crosstalk

• UTP has a woven copper braid

• STP relies on variation in twists per foot

What is the purpose of twisted pair cabling in networking?

• To prevent physical damage

• To identify each pair of wires

• To shield the inner conductor

• To reduce crosstalk and electromagnetic interference

What is the function of a router in a computer network?

• To prevent physical damage

• To identify each pair of wires

• To shield the inner conductor

• To direct data packets to the appropriate destination

What is the purpose of fiber optic cabling in telecommunications?

• To prevent physical damage

• To identify each pair of wires

• To transmit data at high speeds over long distances

• To transmit electronic signals

What is the purpose of a switch in a computer network?

• To prevent physical damage

• To identify each pair of wires

• To direct data packets to the appropriate destination

• To shield the inner conductor

What is the function of an ethernet cable in networking?

• To prevent physical damage

• To identify each pair of wires

• To transmit data at high speeds over long distances

• To shield the inner conductor

What is the purpose of a modem in telecommunications?

• To prevent physical damage

• To identify each pair of wires

• To transmit electronic signals

• To convert digital signals to analog signals for transmission over analog networks