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Networking 1 > Data Communication > Flashcards

Data Communication Flashcards

1
Q

This performs other functions to ensure data is transmitted from source to destination

A

Software in the network electronics

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2
Q

Types of Topology

A
  • Fully connected
  • star
  • tree
  • ring
  • bus
  • irregular
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3
Q

Network classification
what is LAN?

A

Local Area Network

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4
Q

Network classification
what is MAN?

A

Metropolitan Area Network

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5
Q

Network classification
what is WAN?

A

Wide Area Network

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6
Q

What is Simplex?

A

the direction of the data between two node is in one way only

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7
Q

This allows data to traverse in both direction but only in one direction at a time (not simultaneous)?

A

Half-Duplex

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8
Q

Allows data to go in opposite directions at the same time

A

Full-Duplex

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9
Q
  • a technique used in networks to reduce the complexity of making software communicate.​
A

Layering

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10
Q

Physical Layer
what are the four important characteristics?

A
  • Mechanical
  • Electrical
  • Functional
  • Procedural
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11
Q

separates bit streams into frames, putting large data into small, manageable units

A

Data Link Layer

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12
Q

determine the routes a packet should traverse from the source to the destination station.

A

Network Layer

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13
Q

responsible for establishing, maintaining, and terminating communications between two machines.

A

Transport Layer

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14
Q

responsible for establishing and maintaining virtual connections between running processes in different computers

A

Session Layers

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15
Q

convert data from the application format into a common format called the canonical representation

A

Presentation Layer

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16
Q

this is where facilities like e-mail, directory look-up, file transfer, etc., belong.

displays received information and sends the user’s data to the lower layers.

A

Application Layer

17
Q

official protocol in this layer which is similar in functionality to the OSI network layer

A

IP - Internet Protocol​

18
Q

allows hosts to transmit packets and let them travel​

independently even when out of sequence​

A

Internet Layer

19
Q

Allows peer entities on the source and destination hosts to carry on conversation just like the OSI transport layer

A

Transport Layer

20
Q

Two Types Of Transport Layer

  • Establishes a reliable connection-oriented​
    communication
A

TCP - Transmission Control Protocol​

21
Q

Two Types Of Transport Layer

Used for one-shot, request-reply service where prompt delivery is more important than accuracy​

A

UDP - User Datagram Protocol​

22
Q

Application Layer Components

A

Telnet - virtual terminal for users who log on to a distant machine and works there.​

SMTP - Simple Mail Transfer Protocol ​

FTP - File Transfer Protocol​

HTTP - HyperText Transfer Protocol​

NNTP Network News Transfer Protocol​

23
Q

is a set of rules that make communication on a network more efficient

A

Protocol

24
Q

The rules and conventions used in this communication are collectively known as the

A

Layer n protocol

24
Q

The rules and conventions used in this communication are collectively known as the

A

Layer n protocol

25
Q

Protocols
Key Elements

A

Syntax​
- structure or format of the data.​

Semantics​
- meaning of each section of bits.​

Timing​
- when data should be sent​
how fast they can be sent​

26
Q

multinational body​

members from the standards creation committees of various governments throughout the world.​

active in developing cooperation in the realms of scientific, technological, and economic activity.​

A

International Organization for Standardization (ISO)​

27
Q

formerly the Consultative Committee for International Telegraphy and Telephony (CCITT).​

Devoted to the research and establishment of standards for telecommunications.

A

International Telecommunication Union - Telecommunication Standards Sector (ITU-T)​

Networking 1 (2 decks)

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