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Data Communication & Networking > Network Protocols and Communications > Flashcards

Network Protocols and Communications Flashcards

1
Q

What are the three elements to any communication?

A

Source (sender)
Destination (receiver)
Channel (media)

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2
Q

Encoding between hosts must be in an appropriate _____ for the medium

A

Message Size

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3
Q

These are a group of interrelated protocols that help you perform communication functions.

A

Protocol Suite

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4
Q

It is a communication where message is sent to many but not all

A

Multicast

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5
Q

It is where it reverses encoding to
interpret the information.

A

Decoding

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6
Q

What layers use addressing to
deliver data from source to destination?

A

Data Link and Network Layer

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7
Q

It is the process of numbering the segments so that the message may be reassembled at the destination.

A

Sequencing

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8
Q

A TCP/IP layer that determines the best path through the network

A

Network/Internet Layer (2nd)

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9
Q

An OSI Layer that Defines services to segment, transfer, and reassemble the data for individual communications.

A

Transport Layer (4th)

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10
Q

True or False:
All devices on the LAN must be told about the default gateway address or their traffic will be confined to the LAN only.

A

True

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11
Q

Two primary benefits of segmenting

A

Increased speed and efficiency

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12
Q

A type of protocol that enable routers to exchange route information, compare path information, and select the best path.

A

Routing

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13
Q

It is the process where protocols add their information to the data.

A

Encapsulation

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14
Q

When the final destination is remote, Layer 3 will provide Layer 2 with what IP Address?

A

Local default gateways or Router Address

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15
Q

An OSI Layer that Provides for common representation of the data transferred between application layer services.

A

Presentation Layer (6th)

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16
Q

It is Responsible for delivering the data link frame from one network interface card (NIC) to another NIC on the same network

A

Data link layer source and destination addresses

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17
Q

Protocols that attempt to prevent collisions

A

Proactive Protocols

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18
Q

A network protocol function that determines if data became corrupted during transmission

A

Error Detection

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19
Q

A TCP/IP layer that represents data to the user, plus encoding and dialog control.

A

Application Layer (4th)

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20
Q

True or False:
Message formats don’t depend on the type of message and the channel that is used to deliver the message

A

False

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21
Q

The protocols are viewed in terms of what layers?

A

Higher and Lower Layers

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22
Q

What IP addresses does IP packets contain?

A

Source and Destination IP address

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23
Q

True or False:
When devices are on different Ethernet network the data link frame will use the actual MAC address of the destination NIC.

A

False, same ethernet network

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24
Q

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

A

Collision

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25
Q

It is the process of converting information into another acceptable form for transmission.

A

Message Encoding

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26
Q

What are the protocol suites that Microsoft own?

A

Net view and Net BIOS

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27
Q

What are the 7 layers of OSI?

A

Application, Presentation, Session, Transport, Network, Data link, Physical

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28
Q

It is Responsible for delivering the IP packet from the original source to the final destination.

A

Network layer source and destination addresses

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29
Q

A TCP/IP layer that supports communication between various devices across diverse networks.

A

Transport Layer (3rd)

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30
Q

Open Standard encourages?

A

○ Interoperability
○ Competition
○ Innovation

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31
Q

An OSI Layer that Provides services to exchange the individual pieces of data over the network.

A

Network Layer (3rd)

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32
Q

It is the remaining part of the address identifies a specific device within the group. This portion is unique for each device on the network.

A

Host portion (IPv4) or Interface ID (IPv6)

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33
Q

A protocol that governs the way a web server and a web client interact, and defines content and format

A

Hypertext Transfer Protocol (HTTP)

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34
Q

How does PDUs pass down the stack?

A
  1. Data (Data Stream)
  2. Segment
  3. Packet
  4. Frame
  5. Bits (Bit Stream)
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35
Q

When it detects a problem it will broadcast it and will give way to the traffic and it will have flow control one at a time to avoid collision, but only happens on wireless networks

A

Carrier sense multiple access with collision
avoidance CSMA/CA (wireless)

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36
Q

A network protocol function that uniquely labels each transmitted segment of data

A

Sequencing

37
Q

True or False:
When a message is sent, it must use a specific format or structure.

A

True

38
Q

A type of protocol that is used for the automatic detection of devices or services.

A

Service Discovery

39
Q

An internet standard that focused on long-term research related to internet and TCP/IP protocols.

A

Internet Research Task Force (IRTF)

40
Q

It is a one to one communication

A

Unicast

41
Q

A network protocol function that ensures data flows at an efficient rate

A

Flow Control

42
Q

It is the left -most part of the address indicates the network group of which the IP address is a member. Each LAN or WAN will have the same network portion.

A

Network portion (IPv4) or Prefix (IPv6)

43
Q

True or False:
All communications are governed by protocols.

A

True

44
Q

Last in First Out

A

Stack

45
Q

A type of protocol that enable two or more devices to communicate over one or more networks.

A

Network Communications

46
Q

What are the two layered models describe network operations?

A

○ Open System Interconnection (OSI) Reference Model
○ TCP/IP Reference Model

47
Q

Proprietary suite release by Apple Inc.

A

AppleTalk

48
Q

A network protocol function which provides process-to-process communications between network applications

A

Application Interface

49
Q

An OSI Layer that Describes the means to activate, maintain, and deactivate physical connections.

A

Physical Layer (1st)

50
Q

Protocols that establish a recovery method after the collision occurs.

A

Reactive Protocols

51
Q

A network protocol function that provides guaranteed delivery

A

Reliability

52
Q

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

A

Response Timeout

53
Q

How does de-encapsulation happens?

A
  1. Received as Bits (Bit Stream)
  2. Frame
  3. Packet
  4. Segment
  5. Data (Data Stream)
54
Q

A TCP/IP layer that controls the hardware devices and media that make up the network.

A

Network Access Layer (1st)

55
Q

Protocol Requirements

A

● An identified sender and receiver
● Common language and grammar
● Speed and timing of delivery
● Confirmation or acknowledgment requirements

56
Q

It determines when someone can send a message.

A

Access method

57
Q

It is a standards-based protocol suite that is endorsed by the networking industry and approved by a standards organization to ensure interoperability

A

TCP/IP Protocol Suite

58
Q

Protocols have their own?

A

Function, Format, Rules

59
Q

It is an open standard protocol suite that is freely available to the public and can be used by any vendor.

A

TCP/IP Protocol Suite

60
Q

An OSI Layer that Contains protocols used for process-to-process communications.

A

Application Layer (7th)

61
Q

An internet standard that is responsible for management and development of internet standards.

A

Internet Architecture Board (IAB)

62
Q

It is the process of breaking up messages into smaller units.

A

Segmenting

63
Q

First in First Out

A

Queue

64
Q

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

A

Flow Control

65
Q

A network protocol function that identifies sender and receiver

A

Addressing

66
Q

An OSI Layer that Describes methods for exchanging data frames over a common media.

A

Data Link Layer (2nd)

67
Q

A protocol that delivers messages globally from the sender to the receiver

A

Internet Protocol (IP)

68
Q

A protocol that delivers messages from one NIC to another NIC on the same Ethernet Local Area Network (LAN)

A

Ethernet

69
Q

_____ is responsible for sequencing the individual segments.

A

TCP

70
Q

Data is ___________ as it moves up the stack.

A

De-encapsulated

71
Q

What do we call a group of layers?

A

Protocol Stacks

72
Q

True or False:
If the message or data you want to send to
someone is large during the transmission the data
will be split into smaller parts but won’t go to
the same destination.

A

False

73
Q

Is broadcast used in IPv6?

A

No

74
Q

What are the rules that the communication needs to
follow in order for the sender and the receiver to
understand the data that is being sent?

A

Protocols

75
Q

An internet standard that develops, updates, and maintains internet and TCP/IP technologies.

A

Internet Engineering Task Force (IETF)

76
Q

It is the processes of taking multiple streams of segmented data and interleaving them together.

A

Multiplexing

77
Q

A type of protocol which secure data to provide authentication, data integrity, and data encryption.

A

Network Security

78
Q

These are a set of rules that work together to solve a problem.

A

Protocol Suite

79
Q

What are the most common network access layer LAN protocols?

A

Ethernet and WLAN

80
Q

These protocols operate at the application, transport, and internet layers.

A

TCP/IP protocols

81
Q

When it detects a problem it will broadcast it and will give way to the traffic and it will have flow control one at a time to avoid collision.

A

Carrier Sense Multiple Access with collision
detection CSMA/CD

82
Q

A protocol that manages the individual conversations, provides guaranteed delivery, and manages flow control

A

Transmission Control Protocol (TCP)

83
Q

Developed by the International Organization for Standardization (ISO) and the International Telecommunications Union (ITU)

A

Open Systems Interconnection (OSI) protocols

84
Q

Proprietary suite developed by Novell Inc.

A

Novell NetWare

85
Q

The most common protocol suite and maintained by the Internet Engineering Task Force (IETF)

A

Internet Protocol Suite or TCP/IP

86
Q

When a message is sent to all

A

Broadcast

87
Q

An OSI Layer that Provides services to the presentation layer and to manage data exchange.

A

Session Layer (5th)

88
Q

An internet standard that promotes the open development and evolution of the internet.

A

Internet Society (ISOC)

89
Q

What are the layers or TCP/IP model?

A

Application, Transport, Internet, Network Access Layer

Data Communication & Networking (3 decks)

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