Computer Networks Week 6

Which ones can be used to connect to the internet (you can select more than one)?

• telephone lines

• GSM

• Satellite

• Electric lines

There are videos shows laser travels through water even it is not straight. The videos shows a physical phenomena, which of the following uses that principle?

• Multi Mode Fiber Optic

• Unshilded Twisted Pair

• Single Mode Fiber Optic

• Shielded Twisted Pair

What are the "many hands make light work" or "teamwork makes the dream work" idioms tell about computer world?

• Fiber optic cables is better than copper cables

• Computers cannot work if they are in different networks

• Single computer cannot create a network.

• Better to use wired instead of wireless

Two computers cannot communicate without static IP

• True

• False

MAC address of NIC cannot be changed

• True

• False

Which is NOT correct about servers?

• Should have at least 1 Tflop Perfromance

• Redundancy is important

• Should work 7x24

• Have higher quality components

Which one cannot be used to create LAN (Local Area Network)?

• DSL Modem

• Cable Modem

• Switch

• Router

What is the difference between switch and access point?

• First one creates LAN, the second one creates WAN

• The former creates WAN, the latter creates LAN

• Former uses electric signals to create LAN, latter uses radio signals

• Both creates Local area network