IEEE standards Flashcards
1
Q
802.1Q
A
Standard that defined virtual LANs (VLANs) on Ethernet networks.
2
Q
802.3af
A
Power delivered over Ethernet (PoE)
Provides up to 15.4W of DC power
Minimum of 44V DC and 350mA
3
Q
802.3at
A
PoE+
25.5W of power
4
Q
802.11
A
Wireless LANs
5
Q
802.11a
A
5ghz
54Mbps / 6.75MBps
6
Q
802.11b
A
2.4GHz
11Mbps
30 Meters
7
Q
802.11g
A
2.4GHz
54Mbps
8
Q
802.11n
A
2.4 OR 5 GHz
600Mbps
9
Q
802.11ac
A
- 8GHz
6. 93Gbps
10
Q
100BASE-TX
A
100Mbps “Fast Ethernet” Cat5 or better twister copper Two pair Max length of 100 meters
11
Q
1000BASE-T
A
Gigabit ethernet over cat5 (cat5e) or better
Use all 4 pairs
100 meters
12
Q
1000BASE-SX
A
Gigabit ethernet using Near Infrared light
Usually over multimode fiber
220-500 meters depending on fiber type
13
Q
1000BASE-LX
A
Gigabit using long wavelength laser
Multimode fiber up to 550m
Singlemode fiber up to 5km
14
Q
10GBASE-T
A
Frequency up to 500 MHz Twister pair copper Cat6 up to 55 meters Cat6a - 100m Cat7a - 100m and shielding
15
Q
802.1x
A
Defines process for protected authentication for secure network access
