Modern Ethernet

Question 1

100BaseT/TX

Speed:

Siganal type:

Distance:

Node Limit:

Topology:

Cable type:

Answer 1

• Speed: 100 Mbps
• Signal Type: Baseband
• Distance: 100 meters
• Node Limit: 1024
• Topology: Star-bus: physical star, logical bus
• Cable Type: CAT5e or better UTP or STP with RJ-45/8P8C

Question 2

100BaseFX

Speed:

Siganal type:

Distance:

Node Limit:

Topology:

Cable type:

Answer 2

• Speed: 100Mbps
• Signal Type: Baseband
• Distance: 2000 meters
• Node Limit: 1024
• Topology: Star-bus - physical star, logical bus
• Cable Type: Multi-mode fiber with ST or SC

Question 3

1000BaseSX

Speed:

Siganal type:

Distance:

Node Limit:

Topology:

Cable type:

Answer 3

Multimode fiber

850nm

220-500 meters

commonly LC connectors

Question 4

1000BaseLX

Speed:

Siganal type:

Distance:

Node Limit:

Topology:

Cable type:

Answer 4

Single-mode fiber

1300nm

commonly LC and SC connectors

5000 meters

Question 5

10GBaseSR/SW

Speed:

Siganal type:

Distance:

Node Limit:

Topology:

Cable type:

Answer 5

Multimode fiber

850nm

SR = LAN

SW = WAN/SONET

26-300 meters

Question 6

10GBaseLR/LW

Speed:

Siganal type:

Distance:

Node Limit:

Topology:

Cable type:

Answer 6

Single-mode fiber

1310nm

LR = LAN

LW = WAN/SONET

10 km

Question 7

10GBaseER/EW

Speed:

Siganal type:

Distance:

Node Limit:

Topology:

Cable type:

Answer 7

Single-mode fiber

1550nm

ER = LAN

EW = WAN/SONET

40 km

Question 8

IEEE 802.3ab

Answer 8

Defines 1000BaseT ethernet