week 3 videos Flashcards
1
Q
Ethernet hubs
A
Layer 1 device that simply rebroadcasts frames that go through it to other ethernet ports.
2
Q
Ethernet Frame
A
Datalink -layer 2, bits- physical
3
Q
What is the payload limit of a ethernet connection?
A
1500 octets (8 bytes)
4
Q
What does the mac address look like?
A
48 bit hexadecimal
5
Q
What do switches do?
A
Filter and forwards frames based on the destination MAC address
6
Q
What is ethernet?
A
Technology used for Local (LAN) networks
7
Q
What is CSMA/CD?
A
Carrier Sense Multiple Access with Collision Detection
1. senses whether traffic is in use
2. detects collisions (stops if collision)
3. rebroadcast if collision
8
Q
A
