Features of IP

Question 1

IPv4 vs IPv6

Answer 1

IPv4: 32 bit address with 4.3 billions address e.g 192.168.1.1
Ipv6: 128 bit address with unlimited addresses

Question 2

Subnet masks and subnetting

Answer 2

Subnet mask: Number that defines range of IP addresses available within network
Subnetting: Dividing network into two or more networks for performance
e.g subnet mask of 255.255.255.0 means first 3 octets define the network, last octet for host devices

Question 3

Default gateway & DNS

Answer 3

Default gateway: device that routes traffic from local network to destinations outside local network
DNS: translates domain names into IP addresses to access websites with names not numbers

Question 4

Ports and packet architecture

Answer 4

Ports: virtual connectino points for managing multiple connections on single IP addy
Packet arch: Data sent over TCP/IP is divided into smaller units
data: original info to be transmitted
segment: data divided by TCP, including trasnmission control
packet: data packet with IP header
Frame: Packet with physical address
Bits: Smallest data unit