MCA: Computer network security, Network, Transport and Application layer notes

Description

Subject = Computer Network Security (network, transport, application) layer

Network layer =   Packetizing, forwarding, routing, network layer services, network layer design issue, switching techniques, IP, classful addressing , classless addressing , subnetting,IPV4 , IPV6 , Network address translation , CIDR , Network layer protocol , RARP , ICMP, IGMP , Routing algorithm , Routing protocol.

Transport layer = Main responsibility , Socket , types of socket , socket primitives , Element of transport control, Transport layer protocol , TCP segment header , Error handling in TCP, Silly window syndrome , User datagram protocol , Runtime transport protocol.

Application layer = Function of application layer, Services , Application architecture, Features , HTTP messages, Persistent  and Non persistent HTTP,

Domain name system(DNS) , Need of Domain name system , Simple Mail Transfer Protocol(SMTP)  , Multi purpose Internet Mail Extension(MIME) ,

Features of MIME, Internet Message Access Protocol (IMAP), working of IMAP , (architecture advantages, disadvantages) of IMAP, File Transfer Protocol (FTP) , FTP commands , TELNET, Dynamic Host Configuring Protocol (DHCP) , Need of DHCP , Simple Network Management Protocol , Request URI.