[ N ] ET/working Tutorial[s] P0Int

Question 1

What is Simplex, Half-Duplex, and Full Duplex with examples?

Answer 1

Simplex = A device can only either send or receive ( not both ).

 - Mainframe to Monitor ( TV Set ).

Half Duplex = A device has both sending & Receiving capabilities, however can only do ( 1 ) at a time.

 - Walkie Talkie

Full Duplex = A device has both sending & Receiving capabilities, can do both at once.

 - Modern Cell Phones.

Question 2

What are the two ( 2 ) types of connections in physical networks?

Answer 2

Point to Point = Single Dedicated connection between two devices.

Multipoint = Multiple devices sharing a same connection, such as the bus topology.

Question 3

A LAN Network typically covers how many miles?

Answer 3

2 Miles.

 Anything that covers more than 2 Miles, but is less than worldwide is typically considered a MAN Network.

Question 4

What is a switched WAN & a point to point WAN?

Answer 4

A Switched WAN Network typically involves multiple switches joining multiple routers in order to create a larger WAN Network.

Point to Point WAN is a direct connection from one router to the next router.

Question 5

What is another name for the connectionless service?

Answer 5

Datagram Service.