Introduction to Local Area Network (LAN)

Question 1

What is a LAN?

Answer 1

Local Area Network–a limited distance network.

Question 2

What does a LAN do? Examples?

Answer 2

Enables workgroup communication over a short distance..
Resource and application sharing such as printers, scanners; file transfer or sharing; video conferencing, screen sharing; access to intranet and Internet.

Question 3

What distance can a LAN cover? How many users, max?

Answer 3

Less than 1.5 km, from 2-1024 users.

Question 4

Name four media options LANs can use.

Answer 4

copper wires, fiber optics, coax, wireless radio

Question 5

Name 4 types of Ethernets LANs can use.

Answer 5

• Ethernet
• Fast Ethernet
• Gigabit Ethernet
• 10 Gigabit Ethernet

Question 6

Name a legacy LAN technology.

Answer 6

Token ring. We now have the Need for Speed.

Question 7

What is the transmission rate of the following?

• Token ring
• Ethernet
• Fast Ethernet
• Gigabit Ethernet
• 10 Gigabit Ethernet

Answer 7

Token ring: 4 or 16 Mbps
Ethernet: 10 Mbps
Fast Ethernet: 100 Mbps
Gigabit Ethernet: 1 Gbps
10 Gigabit Ethernet: 10 Gbps

Question 8

Organize the media from low to high. STP, fiber, UTP, coax

Answer 8

coax, STP, UTP, fiber

Question 9

Name ethernet types used in backbones.

Answer 9

Fast Ethernet, Gigabit Ethernet, 10 Gigabit Ethernet.