Chapter 1-4

Question 1

Ethernet

Answer 1

• A carrier sense multiple access with detection (CSMA/CD) protocol for local area networks.
• listens for data traffic, allows any computers on LAN to access the network and detect data collisions

Question 2

Frame

Answer 2

• The way in which information in a Ethernet network is exchanged in a frame
• Frame groups the information for a transmission into a header, data, and trailer.
• Header consists the information and destination + source information
• Data is then transmitted

Question 3

Data structure for Ethernet frame

Answer 3

1. Preamble
2. Start frame delimiter
3. Destination MAC address
4. Source MAC address
5. Length type
6. Data.
7. Pad
8. Frame check sequence

Question 4

Preamble

Answer 4

• Alternating pattern of 0’s and 1’s that is used for synchronization

Question 5

Start frame delimiter

Answer 5

• The binary 8-bit sequence 1 0 1 0 1 0 1 1, which indicates the start of the frame.