Physical Layer Quiz

Which standards organization oversees development of wireless LAN standards?

• IANA

• TIA

• IEEE

• IOS

Under which situation would a wireless connection be recommended?

• The end-user device needs mobility.

• The end-user device only has an Ethernet NIC.

• The end-user device area has a high concentration of RFI.

• The end-user device requires a dedicated connection.

In which layer of the OSI model is the error categorized if signals from the server NIC are distorted?

• Data link layer

• Physical layer

• Network layer

• Presentation layer

What type of cable is used to connect a workstation serial port to a Cisco router console port?

• Coaxial

• Straight-through

• Rollover

• Crossover

Which type of UTP cable is used to connect a PC to a switch port?

• Console

• Rollover

• Crossover

• Straight-through

What is the definition of bandwidth?

• The amount of data that can flow in a given time.

• The measure of usable data transferred over time.

• The measure of the transfer of bits across the media.

• The speed at which bits travel on the network.

What is a characteristic of UTP cabling?

• Cladding

• Woven copper braid

• Cancellation

• Immunity to electrical hazards

What are two possible causes of wireless LAN signal distortion? (Choose two.)

• Elevated location

• Microwave oven

• Large number of trees

• Cellular phones

What is indicated by the term throughput?

• The measure of usable data transferred

• The capacity of a medium to carry data

• The guaranteed data transfer rate

• The measure of bits transferred over time

What is one advantage of using fiber optic cabling rather than copper cabling?

• It is usually cheaper

• It can be installed around sharp bends

• It can carry signals much farther

• It is easier to terminate