Miscellaneous
What is the physical address in networking?
MAC address
What protocol maps IP addresses to physical addresses?
ARP (address resolution protocol)
Switch
What is a switch?
This is used to link more than two devices in a LAN
How does a host send data though a switch?
- Frames are passed to the physical-switch-port
- Switch then sends frames to the correct MAC address (physical address)
Is a host aware of a switches presents on a network?
No
Are switches concerned with IP address
No (only low layer addressing)
Wireless
What is a wireless channel?
A frequency range devices use to communicate with each other
How many devices can be on one channel?
As many as you want
Note: more devices will slow that channel down
Fiber
How are bits carried?
Ethernet frames
When would you use fiberoptic?
Noisy enviroments
between two devices
high speed nessisary
Frames
What is a frame?
It is a low level protocol that contains the
physical address of the recipient
and contains data
comes out of the data link layer
Draw the structure of a ethernet frame, and what each part does
