1.5 Compare and contrast the characteristics of network topologies, types and technologies.

Question 1

Logical Network Maps

Answer 1

• Specialized software
• Visio, OmniGraffle, Gliffy.com
• Useful for planning and collaboration

Question 2

Physical network maps

Answer 2

• Follows the physical wire and device

* Can include physical rack locations

Question 3

Wireless topologies

Answer 3

• No pre-existing infrastructure - Ad hoc networking
• Devices communication amongst themselves
• All devices communicate through an access point Mesh - Self form and self heal

Question 4

Star

Answer 4

1 Switch - devices

Question 5

Bus

Answer 5

all on one cable

Question 6

mesh

Answer 6

most redundancy

everone is connected to everyone

Question 7

Ring

Answer 7

1 cable all connnected together like a ring - redundant

Question 8

LAN - Local Area Network

Answer 8

• High-speed connectivity
• Ethernet and 802.11 wireless
• A building or group of buildings

Question 9

WLAN - Wireless LAN

Answer 9

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

Question 10

MAN - Metropolitan Area Network

Answer 10

• A network in your city

* Common to see government ownership

Question 11

WAN - Wide Area Network

Answer 11

• Generally connects LANs across a distance

* Many different WAN technologies• Point-to-point serial, MPLS, etc.

Question 12

CAN - Campus Area Network

Answer 12

• Limited geographical area
• LAN technologies
• Your fiber in the ground

Question 13

• Network Attached Storage (NAS)

Answer 13

• Connect to a shared storage device across the network

Question 14

• Storage Area Network (SAN)

Answer 14

• Looks and feels like a local storage device

* Requires a lot of bandwidth

Question 15

PAN - Personal Area Network

Answer 15

PAN - Personal Area Network
• Your own private network - Bluetooth, IR, NFC
• Mobile phone - wireless headset

Question 16

Internet of Things

Answer 16

• Wearable technology

* Home automation

Question 17

Z-Wave

Answer 17

• Home automation networking
• Wireless mesh networking
• Uses the ISM band

Question 18

ANT / ANT+

Answer 18

• Wireless sensor network protocol
• 2.4 GHz ISM band (industrial, scientific, and medical)
• Denial of service - Spectrum jamming

Question 19

Bluetooth

Answer 19

• High speed communication over short distances
• Connects our mobile devices
• Smartphones, tethering, headsets and headphones,

Question 20

Near field communication (NFC)

Answer 20

• Builds on RFID, which is mostly one-way • Two-way wireless communication

• Payment systems
• Access token, identity “card” -• Short range with encryption support

Question 21

IR (Infrared)

Answer 21

• Included on many smartphones, tablets,

* Control your entertainment center

Question 22

RFID (Radio-frequency identification)

Answer 22

• Access badges
• Inventory/Assembly line tracking - Pet/Animal identification

• Anything that needs to be tracked

Question 23

• Radar technology

Answer 23

• RF powers the tag, ID is transmitted back

* Some tag formats can be active/powered

Question 24

IEEE 802.11

Answer 24

• Wireless networking (802.11)
• Wireless networking (802.11)
\Standards Committee (IEEE 802)• The Wi-Fi trademark