Network Topologies/Common Network Types Flashcards

1
Q

Logical Network Maps

A
  • Specialized software
    • Visio, OmniGraffle, Gliffy.com
  • High level views
    • WAN layout, application flows

• Useful for planning and collaboration

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2
Q

Physical network maps

A
  • Follows the physical wire and device

* Can include physical rack locations

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3
Q

Wireless topologies

A
  • Ad hoc networking
    • No pre-existing infrastructure
    • Devices communication amongst themselves
  • Infrastructure
    • All devices communicate through an access point
    • The most common wireless communication mode

• Mesh
• Ad hoc devices work together to form a mesh
“cloud”
• Self form and self heal

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4
Q

LAN - Local Area Network

A
  • A building or group of buildings
    • High-speed connectivity
  • Ethernet and 802.11 wireless
    • Any slower and it isn’t “local”
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5
Q

WLAN - Wireless LAN

A
  • 802.11 technologies
  • Mobility within a building or geographic area
  • Expand coverage with additional access points
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6
Q

MAN - Metropolitan Area Network

A
  • A network in your city
    • Larger than a LAN, often smaller than a WAN
  • Common to see government ownership
    • They “own” the right-of-way
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7
Q

WAN - Wide Area Network

A
  • Generally connects LANs across a distance
    • And generally much slower than the LAN
  • Many different WAN technologies
    • Point-to-point serial, MPLS, etc.
    • Terrestrial and non-terrestrial
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8
Q

CAN - Campus Area Network

A
  • Corporate Area Network
    • Limited geographical area
    • A group of buildings
  • LAN technologies
    • Fiber connected, high speed Ethernet
  • Your fiber in the ground
    • No third-party provider
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9
Q

NAS vs. SAN

A

• Network Attached Storage (NAS)
• Connect to a shared storage device across the
network
• File-level access

  • Storage Area Network (SAN)
    • Looks and feels like a local storage device
    • Block-level access
    • Very efficient reading and writing

• Requires a lot of bandwidth
• May use an isolated network and high-speed
network technologies

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10
Q

PAN - Personal Area Network

A
  • Personal Area Network
  • Your own private network - Bluetooth, IR, NFC
  • Automobile - audio output, integrate with phone
  • Mobile phone - wireless headset
  • Health - workout telemetry, daily reports
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