Chapter 4

Question 1

the maximum rate at which data can be carried over a specific medium

Answer 1

bandwidth

Question 2

the actual amount of data, in bits, that crosses a given point in a network over a certain period of time

Answer 2

throughput

Question 3

the amount of usable data that crosses a given point in a network over a certain period of time

Answer 3

goodput

Question 4

interference that is caused when the electromagnetic field of one device affects the electromagnetic field of other devices

Answer 4

electromagnetic interference

Question 5

electromagnetic interference that is in the radio frequency range

Answer 5

radio frequency interference

Question 6

occurs when the signals of one wire affect the signals on an adjacent wire

Answer 6

crosstalk

Question 7

the twisting of opposing wires to effectively eliminate crosstalk

Answer 7

cancellation

Question 8

information that is added before the data field in a frame

Answer 8

header

Question 9

information that is added after the data field in a frame

Answer 9

trailer

Question 10

the actual connections and layout of devices in a network

Answer 10

physical topology

Question 11

the way that the data travels through the network

Answer 11

logical topology

Question 12

nodes compete to be able to use the network medium

Answer 12

contention-based access

Question 13

when each node has an orderly opportunity to access the medium

Answer 13

controlled access

Question 14

value of the field in a frame that is computed from the contents of the frame and determines if the frame has been damaged

Answer 14

frame check sequence

Question 15

devices are able to send and receive data simultaneously

Answer 15

full-duplex

Question 16

devices are able to send and receive information, but only one direction at a time.

Answer 16

half-duplex