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k.sjhc Flashcards

1
Q

Types of Networks

A

LAN, P2P, Server, VPN

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2
Q

Smallest Network

A

LAN

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3
Q

What is Bandwidth

A

Network transmission capacity in bits

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4
Q

LAN (Local Area Network)

A

Connects two or more devices in an area for internet

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5
Q

File Server/Network Server

A

Computer contains software and data files for LAN

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6
Q

Enterprise Network

A

Organizations network composed of multiple LAN/WAN

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7
Q

Software-Defined Network

A

Control how network traffic flows

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8
Q

Wireline Media/Cable

A

Use physical wires/cables to transfer data/info

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9
Q

Broadcast/Wireless media

A

Electromagnetic Media to transfer data

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10
Q

Twisted-Pair Wire

A

Communication medium using strands of copper

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11
Q

Twisted-Pair Wire Advantages

A

Cheap
Available
Easy to work with

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12
Q

Twisted-Pair Wire Disadvantages

A

Slow
Interferences
Low security

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13
Q

Coaxial Cable

A

Insulated copper, high speed data traffic and TV signals

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14
Q

Coaxial Cable Advantages

A

Faster than TP
Less EM interference

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15
Q

Coaxial Cable Disadvantages

A

Expensive
Low Security
Difficult to work with

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16
Q

Fibre Optics

A

Glass fibres transmits info through pulses of light

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17
Q

Fibre Optics Advantages

A

Fast
Kinda Cheap
Good Security

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18
Q

Fibre Optics Disadvantages

A

Difficult to work with

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19
Q

Ethernet

A

Local Area Network Protocol

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20
Q

Transmission Control Protocol (TCP)

A

Protocol to transfer large files over network, ensuring data arrives intact

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21
Q

Transmission Control Protocol Functions

A
  1. Manage Movement
  2. Send in Order
  3. Acknowledges transmission
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22
Q

Internet Protocol

A

Rule that Disassembles, delivers then reassembles packets over the internet

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23
Q

Packet Switching

A

Divides blocks of texts into packets

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24
Q

Why use Packet Switching

A

Reliable message delivery and fault tolerant

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25
Q

4 Layers of TCP/IP

A

Application
Transport
Internet
Network Interface

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26
Q

Application Layer

A

Allow programs use other layers
Set rules for data sharing

27
Q

Hypertext Transfer Protocol (HTTP)

A

Transfer Web Pages
Defines how messages are created and sent

28
Q

Transport Layer

A

Helps Application Layer
Handles Communication/Data Packets
TCP and Other Protocols

29
Q

Internet Layer

A

Responsible for:
Addressing, Routing, Packing Data Packets
IP

30
Q

Network Interface Layer

A

Sends/Receives data packets using networking technology

31
Q

Network Processing Types

A

Distributed Processing
Client/Server Computing
P2P

32
Q

Distributed Processing

A

Splits tasks between multiple connected computers in a network

33
Q

Client/Server Computing

A

System where servers do tasks for end-user PCs
Lead to fat/thin clients

34
Q

Servers

A

Provide services over network

35
Q

Fat Clients

A

Large Storages
Large Processing Power
No Need for Internet

36
Q

Thin Clients

A

No Local Storage
Limited Processing Power
Dependent on Internet

37
Q

Peer-to-Peer (P2P)

A

Multiple computers share resources
Acting as both clients/servers

38
Q

Internet

A

Massive Global WAN

39
Q

Internet Backbone

A

The main high-speed connections that link computers and networks across the world

40
Q

Intranet

A

A private network that uses internet software and TCP/IP protocols

41
Q

Extranet

A

A network that connects parts of the intranets of different organizations

42
Q

Internet service provider
(ISP)

A

A company that provides
internet connections for a fee

43
Q

How do ISP connect

A

Through Network Access Points (NAPs)

44
Q

Network Access Points (NAPs)

A

Computers that act as exchange points for internet traffic and determine how traffic is routed

45
Q

Internet Protocol (IP) Address

A

An assigned address that uniquely identifies a computer on the internet

46
Q

Domain Name System (DNS)

A

The system administered by the Internet
Corporation for Assigned Names (ICANN) that assigns names to each site on the internet

47
Q

Domain Name

A

The name assigned to an internet site, which consists of multiple parts, separated by periods, that are translated from right to left

48
Q

World Wide Web

A

System for sharing and viewing information on the internet using web browsers

49
Q

Hypertexts

A

Texts with (hyperlinks) that let you quickly access other content.

50
Q

Hyperlink

A

A clickable link that takes you to another page or file

51
Q

Website

A

A collection of related web pages from one person or company.

52
Q

Uniform Resource Locator (URL)

A

The address that identifies a specific resource on the web

53
Q

Browsers

A

Software used to access the web

54
Q

Search Engine

A

Program that finds information online using keywords

55
Q

Meta Search

A

A program that searches multiple search engines at once and combines their results

56
Q

Portal

A

A personalized website that gives access to information and services

57
Q

Commercial (Public) Portal

A

A website with general content for many people, offering limited customization

58
Q

Affinity Portal

A

A website that provides access to a community with shared interests

59
Q

Corporate Portal

A

A website that gives access to important business information, both internal and external to a company

60
Q

Industrywide Portal

A

A website that provides information and knowledge for an entire industry

61
Q

Internet Telephony (VoIP)

A

Using the internet to make phone calls

62
Q

Unified Communications

A

A system that combines voice, email, messaging, and video into one platform for easier communication within an organization

63
Q

Teleconferencing

A

Using electronic communication for a conference between people in different locations

64
Q

Telecommuting

A

Working from home or other locations, using a computer connected to the workplace

dgffgdfdg (13 decks)

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