it infrastructure assignment tcp ip

Assignment: IT Infrastructure

Q1. About IPv4

a. How long is IPv4?

b. What is the challenge with IPv4?

c. What is the range of IP Class C (what is the range in decimal in the first byte)?

d. How many bytes are used for NetID?

e. How many bytes are used for the Host ID?

Q2. What layer uses encryption/decryption?

a. what is encryption?

Q3. What addressing system is used at Data Link layer?

a. How long is the address? Is it Physical or logical?

b. Is it unique or not unique?

Q4. What element in in the internet routes the packets from one node to another node?

a. What addressing system is used, length of addressing system, logical or physical?

Q5. At Transport layer how different applications are identified?

a. Give example for FTP and HTTP. Hint, check the internet for FTP port number and HTTP port number