14_03_23

How many types of wired transmission mediums are there?

• 1

• 2

• 3

• none

__________ is used for multicast communication

• Radio waves

• Microwaves

• Infrared

• None of the above

Which model is a protocol-dependent standard?

• OSI model

• TCP/IP model

• Both a and b

• None of the above

__________ is used for unicast communication

• Radio waves

• Microwaves

• Infrared

• None of the above

What are the benefits of LAN?

• Improves the IT staff efficiency

• Better performance

• It shrinks the broadcast domain

• All of the above