ITN Unit 4

Physical Layer Standards address these functional areas

• Physical Components

• Encoding

• Signalling

• All of the areas

For a host to connect to a network a NIC is required?

• True

• False

Select the largest unit of Bandwidth

• Bit

• MegaByte

• TerraBit

• MegaBit

"The measure of the transfer of bits across the media over a given period of time" is known as?

• Latency

• Bandwidth

• Throughput

• Goodput

What is the application of Straight-Through Ethernet cables?

• Host-Host, Router-Router, etc

• Host to Network Device

• Serial Port access

• Power Cable

What is the application of Crossover Ethernet cables?

• Host-Host, Router-Router, etc

• Host to Network Device

• Serial Port access

• Power Cable

What is the application of Rollover cables?

• Host-Host, Router-Router, etc

• Host to Network Device

• Console Port access

• Power Cable

Can Fiber Optic cables be effected by RFI or EMI?

• True

• False

Answer explanation

Fiber Optic is light traveling through a tunnel and is less susceptible to attenuation and immune to EMI/RFI

Which wireless technology has low-power and data rate requirements making it popular in home automation applications?

• ZigBee

• LoRaWAN

• Wi-Fi

• 5G

What is wrong with the displayed termination?

• The woven copper braid should not have been removed.

• The wrong type of connector is being used.

• The untwisted length of each wire is too long.

• The wires are too thick for the connector that is used.

• Nothing wrong with it