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TM129: Networking > module 5 - Communication principles > Flashcards

module 5 - Communication principles Flashcards

1
Q

this protocol is concerned with the delivery of a message from one NIC to another NIC

A

describe

Ethernet

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2
Q

which layers of the OSI model does the

ethernet protocol

operate at

A

this operates at :

layer 1 (physical) and

layer 2 (data link)

layers of the OSI model

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3
Q

a protocol may implement a pattern while communicating for reasons such as keeping in sync or perhaps confirming messages have been succsefully received

A

describe the purpose of

message pattern

that may be used by a protocol

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4
Q

what is a

protocol model

A

this is a model that describes and closely matches the structure of a particular protocol suite.

example

The TCP/IP model is this because it describes all the functions that exist within the TCP/IP suite

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5
Q

describe

Hypertext transfer protocol (HTTP)

A

this protocol governs how a web server and a web client interact such as the content of a message including any headers and also the structure of the message

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6
Q

this layer of the TCP/IP model is concerned with:

control of hardware devices and the media that makes up the network

A

describe the

Network access layer

of the

TCP/IP model

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7
Q

describe the

Application layer

of the

OSI model

A

this layer of the OSI model is concerned with:

the manipulation and displaying of data

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8
Q

a protocol may implement this so that their is a regulation of how large a message can be

Sometimes it is best to split a large message up into smaller messages so that data can be sent more reliably

A

describe the purpose of a

message size

that may be used by a protocol

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9
Q

what is a

reference model

A

this is a model that describes how a function at a given level should operate but does not give any detail of how that should be implemented.

The benefit of a this is to provide clearer understanding of the layers needed and there functions in order to achieve network communication.

example

The OSI model is one example of this

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10
Q

this protocol is also known as

IEEE 802.3

this is a number that refers to the committee that is responsible for approving and maintaining the standard

A

what is the

ethernet protocol

also known as

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11
Q

a protocol may use this so that a message is structured so that it may be read by any device

A

describe the purpose of a

message format

that may be used by a protocol

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12
Q

describe

Ethernet

A

this protocol is concerned with the delivery of a message from one NIC to another NIC

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13
Q

what actions take place when an ethernet frame reaches the destination P.C

A

When a pc receives an ethernet frame the Network Interface Card (NIC) will look at the destination address and determine if it was in fact addressed to them if it is then the rest of the frame will be read otherwise the ethernet frame will be discarded in essence the pc never receives the message

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14
Q

what two resons might we use a

layered model

A
  1. Assisting in protocol design since the information the protocol receives will be determined by the protocol above and the interfaces upon data received and sent will be decided by the protocol above and below repetitively
  2. Enables changing and using different technologies on any layer without affecting communication
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15
Q

describe the

Presentation layer

of the

OSI model

A

this layer of the OSI model is concerned with:

the formatting of data (from 1s and 0s vice versa) and encryption

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16
Q

this protocol manages individual connections and ensures that messages are delivered reliably and may also use other features such as flow control

A

describe

Transmission control protocol (TCP)

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17
Q

what is a

protocol suite

A

this is a grouping of protocols that as a whole allow communication over a network.

example

The TCP/IP suite is one example

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18
Q

this is a model made of stacks of categories, which as a whole describe all the categories needed in order to acheive communication

A

what is the

TCP/IP model

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19
Q

what are 6

characteristics that a protocol may include

A

this may include:

  1. message format
  2. message size
  3. timing
  4. encoding
  5. encapsulation
  6. message pattern
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20
Q

an ethernet standard would be similar to 802.3 100BASE-T where.

  1. 802.3 - refers to the protocol and the committee that overseases it
  2. 100 - is the speed of the standard in Mbps
  3. BASE - specifies that it is a baseband transmission
  4. T - specifies that it uses twisted pair cabling
A

when a new standard for ethernet is defined how is the new name for the standard formatted.

give an example and describe each of the pieces of information

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21
Q

this layer of the OSI model is concerned with:

establishing, maintaining, synchronizing and terminating sessions between end-user applications

A

describe the

Session layer

of the

OSI model

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22
Q

this protocol governs how a web server and a web client interact such as the content of a message including any headers and also the structure of the message

A

describe

Hypertext transfer protocol (HTTP)

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23
Q

the layers this holds are:

  1. Application
  2. Presentation
  3. Session
  4. Transport
  5. Network
  6. Data link
  7. Physical
A

what are the 7 layers of the

OSI model

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24
Q

what does the

ethernet protocol

determine

A

this determines how data is formatted and then transmitted over the network media

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25
Q
  1. Assisting in protocol design since the information the protocol receives will be determined by the protocol above and the interfaces upon data received and sent will be decided by the protocol above and below repetitively
  2. Enables changing and using different technologies on any layer without affecting communication
A

what two resons might we use a

layered model

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26
Q

this protocol is maintained by

Institute of Electrical and Electronics Engineers (IEEE)

A

who maintains the

ethernet protocol

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27
Q

this layer of the OSI model is concerned with:

the physical media upon which the data will travel through

A

describe the

physical layer

of the

OSI model

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28
Q

this layer of the OSI model is concerned with:

the network Addressing and routing of data

A

describe the

network layer

of the

OSI model

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29
Q

this is a grouping of protocols that as a whole allow communication over a network.

example

The TCP/IP suite is one example

A

what is a

protocol suite

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30
Q

a protocol may implement this so that their are rules on how many bits can be sent at a time. this also ensures that if needed this can be adjusted depending upon the current situation

A

describe the purpose of a

timing

that may be used by a protocol

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31
Q

describe the purpose of a

message format

that may be used by a protocol

A

a protocol may use this so that a message is structured so that it may be read by any device

How well did you know this?
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32
Q

how do the layers of the

OSI model

and the

TCP/IP model

compare

33
Q

describe the

data link layer

of the

OSI model

A

this layer of the OSI model is concerned with:

the physical addressing and transport of data between media devices

34
Q

what is the

TCP/IP model

A

this is a model made of stacks of categories, which as a whole describe all the categories needed in order to acheive communication

35
Q

describe the

Session layer

of the

OSI model

A

this layer of the OSI model is concerned with:

establishing, maintaining, synchronizing and terminating sessions between end-user applications

36
Q

describe the

Network access layer

of the

TCP/IP model

A

this layer of the TCP/IP model is concerned with:

control of hardware devices and the media that makes up the network

37
Q

what are the 7 layers of the

OSI model

A

the layers this holds are:

  1. Application
  2. Presentation
  3. Session
  4. Transport
  5. Network
  6. Data link
  7. Physical
38
Q

who maintains the

ethernet protocol

A

this protocol is maintained by

Institute of Electrical and Electronics Engineers (IEEE)

39
Q

this will contain:

  1. Destination Media Access Control (MAC) address
  2. Source Media Access Control (MAC) address
  3. Data from upper layers
A

what 3 peices of information will an

ethernet frame

contain

40
Q

from bottom to top what are the 4 layers of the

TCP/IP model

A

this contains:

  1. Application
  2. Transport
  3. Internet
  4. Network access
41
Q

When a pc receives an ethernet frame the Network Interface Card (NIC) will look at the destination address and determine if it was in fact addressed to them if it is then the rest of the frame will be read otherwise the ethernet frame will be discarded in essence the pc never receives the message

A

what actions take place when an ethernet frame reaches the destination P.C

42
Q

describe the

network layer

of the

OSI model

A

this layer of the OSI model is concerned with:

the network Addressing and routing of data

43
Q

this layer of the OSI model is concerned with:

the physical addressing and transport of data between media devices

A

describe the

data link layer

of the

OSI model

44
Q

when a new standard for ethernet is defined how is the new name for the standard formatted.

give an example and describe each of the pieces of information

A

an ethernet standard would be similar to 802.3 100BASE-T where.

  1. 802.3 - refers to the protocol and the committee that overseases it
  2. 100 - is the speed of the standard in Mbps
  3. BASE - specifies that it is a baseband transmission
  4. T - specifies that it uses twisted pair cabling
45
Q

what is the

OSI model

A

Created by the Open Systems Interconnect (OSI) this is a reference model that can aid in the design, operation and troubleshooting of a network

46
Q

describe what a

protocol stack

is

A

this is a way of describing or visualising how protocols are interacting with each other. within the stack each layer is a protocol with the higher level relying on the lower levels servvices to deliver its message

47
Q

describe the purpose of

encapsulation

that may be used by a protocol

A

with this the protocol will determine how any other data is included with the message such as source and destination addresses or perhaps a data payload from a layer above

48
Q

this contains:

  1. Application
  2. Transport
  3. Internet
  4. Network access
A

from bottom to top what are the 4 layers of the

TCP/IP model

49
Q

what is the

ethernet protocol

also known as

A

this protocol is also known as

IEEE 802.3

this is a number that refers to the committee that is responsible for approving and maintaining the standard

50
Q

this may include:

  1. message format
  2. message size
  3. timing
  4. encoding
  5. encapsulation
  6. message pattern
A

what are 6

characteristics that a protocol may include

51
Q

this operates at :

layer 1 (physical) and

layer 2 (data link)

layers of the OSI model

A

which layers of the OSI model does the

ethernet protocol

operate at

52
Q

describe

Internet protocol (IP)

A

this protocol is concerned with the addressing of the source and destination ensuring that the message is sent to the correct destination

53
Q

what 3 peices of information will an

ethernet frame

contain

A

this will contain:

  1. Destination Media Access Control (MAC) address
  2. Source Media Access Control (MAC) address
  3. Data from upper layers
54
Q

describe the

Transport layer

of the

TCP/IP model

A

this layer of the TCP/IP model:

supports communication between various devices

55
Q

describe the

internet layer

of the

TCP/IP model

A

this layer of the TCP/IP model is concerned with:

determining the best path through a network

56
Q

this layer of the OSI model is concerned with:

the manipulation and displaying of data

A

describe the

Application layer

of the

OSI model

57
Q

this is a way of describing or visualising how protocols are interacting with each other. within the stack each layer is a protocol with the higher level relying on the lower levels servvices to deliver its message

A

describe what a

protocol stack

is

58
Q

describe the purpose of a

message size

that may be used by a protocol

A

a protocol may implement this so that their is a regulation of how large a message can be

Sometimes it is best to split a large message up into smaller messages so that data can be sent more reliably

59
Q
A

how do the layers of the

OSI model

and the

TCP/IP model

compare

60
Q

this layer of the TCP/IP model represents

  1. data to the user
  2. encoding
  3. dialog controls
A

describe the

Application layer

of the

TCP/IP model

61
Q

describe the

Transport layer

of the

OSI model

A

this layer of the OSI model is concerned with:

establishing and maintaining individual connections

62
Q

this is a model that describes and closely matches the structure of a particular protocol suite.

example

The TCP/IP model is this because it describes all the functions that exist within the TCP/IP suite

A

what is a

protocol model

63
Q

describe the

Application layer

of the

TCP/IP model

A

this layer of the TCP/IP model represents

  1. data to the user
  2. encoding
  3. dialog controls
64
Q

describe the

physical layer

of the

OSI model

A

this layer of the OSI model is concerned with:

the physical media upon which the data will travel through

65
Q

describe

Transmission control protocol (TCP)

A

this protocol manages individual connections and ensures that messages are delivered reliably and may also use other features such as flow control

66
Q

describe the purpose of

message pattern

that may be used by a protocol

A

a protocol may implement a pattern while communicating for reasons such as keeping in sync or perhaps confirming messages have been succsefully received

67
Q

with this the protocol will determine how any other data is included with the message such as source and destination addresses or perhaps a data payload from a layer above

A

describe the purpose of

encapsulation

that may be used by a protocol

68
Q

this layer of the OSI model is concerned with:

establishing and maintaining individual connections

A

describe the

Transport layer

of the

OSI model

69
Q

this layer of the OSI model is concerned with:

the formatting of data (from 1s and 0s vice versa) and encryption

A

describe the

Presentation layer

of the

OSI model

70
Q

describe the purpose of a

timing

that may be used by a protocol

A

a protocol may implement this so that their are rules on how many bits can be sent at a time. this also ensures that if needed this can be adjusted depending upon the current situation

71
Q

a protocol will define this so that any data can reliably be converted into bits and then converted back into the original data when received

A

describe the purpose of

encoding

that may be used by a protocol

72
Q

Created by the Open Systems Interconnect (OSI) this is a reference model that can aid in the design, operation and troubleshooting of a network

A

what is the

OSI model

73
Q

describe the purpose of

encoding

that may be used by a protocol

A

a protocol will define this so that any data can reliably be converted into bits and then converted back into the original data when received

74
Q

this layer of the TCP/IP model is concerned with:

determining the best path through a network

A

describe the

internet layer

of the

TCP/IP model

75
Q

this is a model that describes how a function at a given level should operate but does not give any detail of how that should be implemented.

The benefit of a this is to provide clearer understanding of the layers needed and there functions in order to achieve network communication.

example

The OSI model is one example of this

A

what is a

reference model

76
Q

this protocol is concerned with the addressing of the source and destination ensuring that the message is sent to the correct destination

A

describe

Internet protocol (IP)

77
Q

this determines how data is formatted and then transmitted over the network media

A

what does the

ethernet protocol

determine

78
Q

this layer of the TCP/IP model:

supports communication between various devices

A

describe the

Transport layer

of the

TCP/IP model

TM129: Networking (19 decks)

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