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Nonpromiscuous Mode

Sniffer only captures data sent directly to or from the system capturing traffic

Promiscuous mode

All data that reaches the network interface card is captured.

Hey far does the signal travel in a twisted pair?

100 meters

Hey far does the signal travel in a fiver optic cable?

40km

Cat 5

100 Mbps, 100mhz

Cat 5e

Up to 1000 Mbps, 100 MHz

Cat 6

Up to 1000 gbps or 10,000gbps for shorter runs. 250MHz

Cat 6a

Up to 10000 MHz, 500 MHz

Cat 7

1000mbps, 600 MHz

What are the two primary types of Fiber Optic Cable?

Single Mode


Multimode

Single Mode

Smaller than multimode and is used for long+distance high-speed cable runs. Supports 10gbps for distances up to 40km. Has a glass core.

Multimode

Uses a plastic core and supports a wider variety of light sources. A single MMF cable supports 100 MBPS for distances up to 2km and up to 10 gbps for distances up to 300 m.

802.11a

Speed: 54 Mbps


Frequency: 5GHz


Distance: about 30 meters


Comments: Less susceptible to interference


802.11b

Speed: 11 MbpsFrequency: 2.4 GhzDistance: about 35 metersComments: Can configure specific channels

802.11g

Speed: 54 MbpsFrequency: 2.4 GhzDistance: about 35 metersComments: widely deployed


802.11n

Speed: 6000 mbpsFrequency: 2.4 Ghz or 5 GhzDistance: about 70 metersComments: Newer and quickly over taking 802.11g in popularity