Unit-3

1. Medium Access Control

2. Wired LANS(Eather net)

3. Bluetooth

4. Wireless LANS

                Unit-4

1. Network Layer Services

2. IPV4 Address (subnetting & super netting), NAT, IPV6.

3. IP(ARP,DHCP,ICMP)

4. Routing Algorithms

       Unit-5

1. Transport Layer

a) UDP,TCP

b) TCP Connection Management

c) TCP(Error control,Flow control, Congestion control)

2. Application Layer

a) SMTP, POP, HTTP 

b) TELNET,WWW,DNS

c) FTP, firewalls