Module 4 - Networking

Question 1

List the steps/fields of Internet Protocol (IP)

Answer 1

1. Source IP address
2. Destination IP address
3. Protocol
4. Checksum (verification)
5. Time to live (TTL; number of seconds a datagram is allowed to stay on the network)

Question 2

What are the advantages of packet transmission vs circuit-based networks?

Answer 2

◦ communication broken into small packets
◦ multiple paths btw network nodes
◦ routers choose best available path
◦ lost or damaged packets can be resent

Question 3

What are the two parts of an IP address?

Answer 3

1. The network number (network ID)

2. The host number (host ID)