a) What was the need for IPv6 (IP version 6)? What IPv4 problems does it solve? b) An Internet Protocol address (IP address) is a numerical label assigned to each device of a computer network that...

a) What was the need for IPv6 (IP version 6)? What IPv4 problems does it solve?

b) An Internet Protocol address (IP address) is a numerical label assigned to each device of a computer network that uses the Internet Protocol for communication.

i) What is the IPv4 dotted decimal address 212.158.13.21 in binary?

ii) What is the IPv6 Hexadecimal address

2000:0DB8:85A3:0000:0000:8A1E:0370:7335

in binary?

c) TCP/IP uses packet switching for its routing decisions, where information is split into packets and each packet is routed independently through the network. What is a packet header? What does encapsulation/decapsulation mean?