Misc

Question 1

IP Address

Answer 1

unique ID assigned to every node in TCP/IP model

IP packet in frames never changes

Question 2

MAC Address

Answer 2

Hardcoded into NIC
48 bits
First half manufactured unique ID

Question 3

Network Interface Card (NIC)

Answer 3

use MAC address
decides process of frame
breaks into frames

Question 4

Unicast and Broadcast

Answer 4

NIC keeps MAC address to return= unicast
computer doesn’t know who its sending to = broadcast
FF-FF-FF-FF-FF-FF

Question 5

Port Number

Answer 5

Unique to individual apps.
1st number: in packet= port number
2nd number: how data gets back
Upto 1024- reserved
direct packets traffic between source and destination.

Question 6

Transmission Control Protocol (TCP)

Answer 6

connection orientated conversation. ensures data get to you complete.
2 pieces: sequencing number: reassemble everything
Acknowledgment number: talk to other computer and say got it.
move data between computers

Question 7

User Data Protocol (UDP)

Answer 7

not connection oriented. its wireless