MODULE 3

Question 1

3 elements to any network communication

Answer 1

source (sender), destination (receiver), channel (media)

Question 2

all communications are governed by - that are rules that the communications will follow

Answer 2

protocols

Question 3

this is the process of converting information into one acceptable form for transmission

Answer 3

encoding

Question 4

this reverses the process of encoding to interpret information

Answer 4

decoding

Question 5

messages sent across the network are converted into - which are then encoded into a pattern of light, sound, or electrical impulses

Answer 5

bits

Question 6

this is who is assigned to decode signals to interpret messages

Answer 6

destination host

Question 7

manages the rate of data transmission and defines how much information can be sent and the speed at which it can be delivered

Answer 7

flow control

Question 8

manages how long a device waits when it does not hear a reply from the destination

Answer 8

response timeout

Question 9

determines when someone can send a message

Answer 9

access method

Question 10

this is when more than one device sends traffic at the same time and the messages become corrupt

Answer 10

collision

Question 11

message delivery may be one of these 3 methods

Answer 11

unicast, multicast, broadcast

Question 12

one to one communication

Answer 12

unicast

Question 13

one to many but typically not all communication

Answer 13

multicast

Question 14

one to all communication

Answer 14

broadcast

Question 15

enables two or more devices to communicate over one or more networks

Answer 15

network communications

Question 16

secure data to provide authentication, data integrity, and data encryption

Answer 16

network security

Question 17

enables routers to exchange route information, compare path information, and select best path

Answer 17

routing

Question 18

used for the automatic detection of devices or services

Answer 18

service discovery

Question 19

a group of itner-related protocols necessary to perform a communication function

Answer 19

protocol suite

Question 20

this is the most common protocol suite and maintained by the internet engineering task force (ietf)

Answer 20

internet protocol suite (tcp/ip)

Question 21

developed by the international organization for standardization (iso) and international telecommunications union (itu)

Answer 21

open systems interconnection (osi) protocols

Question 22

proprietary suite released by apple inc

Answer 22

appletalk

Question 23

proprietary suite developed by novell inc

Answer 23

novell netware

Question 24

these are the 2 most common network access layer lan protocols

Answer 24

ethernet and wlan (wireless lan)