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TM129: Networking > module 5 - Communication principles > Flashcards

module 5 - Communication principles Flashcards

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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
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
what two resons might we use a ## Footnote **layered model**
26
this protocol is maintained by Institute of Electrical and Electronics Engineers (IEEE)
who maintains the ## Footnote **ethernet protocol**
27
this layer of the OSI model is concerned with: the physical media upon which the data will travel through
describe the **physical layer** of the **OSI model**
28
this layer of the OSI model is concerned with: the network Addressing and routing of data
describe the **network layer** of the **OSI model**
29
this is a grouping of protocols that as a whole allow communication over a network. _example_ The TCP/IP suite is one example
what is a ## Footnote **protocol suite**
30
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
describe the purpose of a **timing** that may be used by a protocol
31
describe the purpose of a **message format** that may be used by a protocol
a protocol may use this so that a message is structured so that it may be read by any device
32
how do the layers of the **OSI model** and the **TCP/IP model** compare
33
describe the **data link layer** of the **OSI model**
this layer of the OSI model is concerned with: the physical addressing and transport of data between media devices
34
what is the **TCP/IP model**
this is a model made of stacks of categories, which as a whole describe all the categories needed in order to acheive communication
35
describe the **Session layer** of the **OSI model**
this layer of the OSI model is concerned with: establishing, maintaining, synchronizing and terminating sessions between end-user applications
36
describe the **Network access layer** of the **TCP/IP model**
this layer of the TCP/IP model is concerned with: control of hardware devices and the media that makes up the network
37
what are the 7 layers of the ## Footnote **OSI model**
the layers this holds are: 1. Application 2. Presentation 3. Session 4. Transport 5. Network 6. Data link 7. Physical
38
who maintains the ## Footnote **ethernet protocol**
this protocol is maintained by Institute of Electrical and Electronics Engineers (IEEE)
39
this will contain: 1. Destination Media Access Control (MAC) address 2. Source Media Access Control (MAC) address 3. Data from upper layers
what 3 peices of information will an **ethernet frame** contain
40
from bottom to top what are the 4 layers of the ## Footnote **TCP/IP model**
this contains: 1. Application 2. Transport 3. Internet 4. Network access
41
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
what actions take place when an ethernet frame reaches the destination P.C
42
describe the **network layer** of the **OSI model**
this layer of the OSI model is concerned with: the network Addressing and routing of data
43
this layer of the OSI model is concerned with: the physical addressing and transport of data between media devices
describe the **data link layer** of the **OSI model**
44
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
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
what is the ## Footnote **OSI model**
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
describe what a **protocol stack** is
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
describe the purpose of **encapsulation** that may be used by a protocol
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
this contains: 1. Application 2. Transport 3. Internet 4. Network access
from bottom to top what are the 4 layers of the ## Footnote **TCP/IP model**
49
what is the **ethernet protocol** also known as
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
this may include: 1. message format 2. message size 3. timing 4. encoding 5. encapsulation 6. message pattern
what are 6 ## Footnote **characteristics that a protocol may include**
51
this operates at : layer 1 (physical) and layer 2 (data link) layers of the OSI model
which layers of the OSI model does the **ethernet protocol** operate at
52
describe **Internet protocol (IP)**
this protocol is concerned with the addressing of the source and destination ensuring that the message is sent to the correct destination
53
what 3 peices of information will an **ethernet frame** contain
this will contain: 1. Destination Media Access Control (MAC) address 2. Source Media Access Control (MAC) address 3. Data from upper layers
54
describe the **Transport layer** of the **TCP/IP model**
this layer of the TCP/IP model: supports communication between various devices
55
describe the **internet layer** of the **TCP/IP model**
this layer of the TCP/IP model is concerned with: determining the best path through a network
56
this layer of the OSI model is concerned with: the manipulation and displaying of data
describe the **Application layer** of the **OSI model**
57
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
describe what a **protocol stack** is
58
describe the purpose of a **message size** that may be used by a protocol
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
how do the layers of the **OSI model** and the **TCP/IP model** compare
60
this layer of the TCP/IP model represents 1. data to the user 2. encoding 3. dialog controls
describe the **Application layer** of the **TCP/IP model**
61
describe the **Transport layer** of the **OSI model**
this layer of the OSI model is concerned with: establishing and maintaining individual connections
62
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
what is a ## Footnote **protocol model**
63
describe the **Application layer** of the **TCP/IP model**
this layer of the TCP/IP model represents 1. data to the user 2. encoding 3. dialog controls
64
describe the **physical layer** of the **OSI model**
this layer of the OSI model is concerned with: the physical media upon which the data will travel through
65
describe **Transmission control protocol (TCP)**
this protocol manages individual connections and ensures that messages are delivered reliably and may also use other features such as flow control
66
describe the purpose of **message pattern** that may be used by a protocol
a protocol may implement a pattern while communicating for reasons such as keeping in sync or perhaps confirming messages have been succsefully received
67
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
describe the purpose of **encapsulation** that may be used by a protocol
68
this layer of the OSI model is concerned with: establishing and maintaining individual connections
describe the **Transport layer** of the **OSI model**
69
this layer of the OSI model is concerned with: the formatting of data (from 1s and 0s vice versa) and encryption
describe the **Presentation layer** of the **OSI model**
70
describe the purpose of a **timing** that may be used by a protocol
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
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
describe the purpose of **encoding** that may be used by a protocol
72
Created by the Open Systems Interconnect (OSI) this is a reference model that can aid in the design, operation and troubleshooting of a network
what is the ## Footnote **OSI model**
73
describe the purpose of **encoding** that may be used by a protocol
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
this layer of the TCP/IP model is concerned with: determining the best path through a network
describe the **internet layer** of the **TCP/IP model**
75
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
what is a ## Footnote **reference model**
76
this protocol is concerned with the addressing of the source and destination ensuring that the message is sent to the correct destination
describe **Internet protocol (IP)**
77
this determines how data is formatted and then transmitted over the network media
what does the **ethernet protocol** determine
78
this layer of the TCP/IP model: supports communication between various devices
describe the **Transport layer** of the **TCP/IP model**

TM129: Networking (19 decks)

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