Unit 4: Physical Layer Flashcard

Front

What does the host machine use to connect to the network?

Back

Network Interface Card

Front

Which layer actually transmits the 1s and 0s from one device to another?

Back

Physical Layer

Front

Which organization is NOT involved in governing Physical Layer standards? Options: ISO, ANSI, NASA, IEEE

Back

NASA

Front

Physical layer standards address which of the following areas? Protocol Configuration, Electrical, Mechanical, and Environmental, Software Development, Data Encryption

Back

Electrical, Mechanical, and Environmental

Front

Encoding network signals can be done by varying which of the following on a copper wire? Voltage, Pressure, Frequency, Amplitude

Back

Voltage

Front

Which term describes the measure of the transfer of bits across the media in a given amount of time?

Back

Bandwidth

Front

Copper cabling is the most common type of cabling used in networks today. What is one of the main disadvantages of copper cabling?

Back

Signal deterioration

Front

Which type of copper cabling is used in areas of high EMI and RFI?

Back

Shielded twisted pair cable

Front

What is the term used to describe the deterioration of signals on a copper wire as they travel?

Back

Attenuation

Front

What does UTP stand for in UTP cabling?

Back

Unshielded Twisted Pair