Network security basic concepts of public key and private key cryptography

LAN technologies (Ethernet, Token ring)

Network security – basic concepts of public key and private key cryptography

ISO/OSI stack

Routing algorithms

Congestion control

TCP/UDP and sockets

IP(v4)

digital signature

Application layer protocols (icmp, dns, smtp, pop, ftp, http)

Basic concepts of hubs,switches, gateways, and routers

ISO/OSI stack

LAN technologies

Flow and error control techniques

Routing algorithms

TCP/UDP and sockets

Internet protocol

firewalls