Chapter 2: The Open Systems Interconnection Specifications

Question 1

The two sublayers of the Data Link layer are __ and __. pg. 44

Answer 1

MAC / Mass Media Control and LLC / Logical Link Control

Question 2

You just set up a physical topology of the star formation, so what would you call the signal path running through it? pg. 44

Answer 2

logical topology

Question 3

What’s the difference between 802.4 and 802.5? pg 44

Answer 3

802.4= Token Passing Bus and 802.5= Token Passing Ring

Question 4

Regarding the IEEE 802 standard list, what is specified to be remembered by the student? pg. 45

Answer 4

802.3 / anything relating to the Ethernet and 802.11 relates to wireless

Question 5

What are the requirements specified by the Physical layer? pg. 45

Answer 5

electrical, mechanical, procedural, and functional

Question 6

The Physical layer is where the interface between _ and _ are identified. pg. 45

Answer 6

DTE / Data Terminal Equipment and DCE / Data Communication Equipment

Question 7

What occurs to data upon transmission that’s wrapped with protocol information at each layer of the OSI model? pg. 46

Answer 7

encapsulation

Question 8

What is the process of varying one or more properties of a carrier signal with another? pg. 47

Answer 8

modulation

Question 9

What does analog and digital modulation utilize to transfer signals over the same shared physical network? pg. 47

Answer 9

FDM / Frequency Division Multiplexing

Question 10

A method of transmitting and receiving independent signals over a common signal path between synchronized network devices? pg 47

Answer 10

TDM / Time-division Multiplexing