Internetworking: Internetworking Working Models, The Layered Approach, Advantages of Reference Models, The OSI Model ,The Application Layer ,The Presentation Layer ,The Session Layer ,The Transport Layer ,The Network Layer ,The Data Link Layer ,The Physical Layer

Ethernet Networking and Data Encapsulation :Ethernet Networks in Review, Collision Domain, Broadcast Domain, CSMA/CD, Half- and Full-Duplex Ethernet, Ethernet at the Data Link Layer, Ethernet at the Physical Layer.

Introduction to TCP/IP : Introducing TCP/IP ,A Brief History of TCP/IP ,TCP/IP and the DoD Model ,The Process/Application Layer Protocols ,The Host-to-host Layer Protocols ,The Internet Layer Protocols ,IP Addressing ,IP Terminology ,The Hierarchical IP Addressing Scheme ,Private IP Addresses (RFC 1918) ,IPv4 Address Types ,Layer 2 Broadcasts ,Layer 3 Broadcasts ,Unicast Address, Multicast Address .

IP Routing :Routing Basics, The IP Routing Process, The Cisco Router Internal Process, Testing Your IP Routing Understanding Configuring IP Routing, Configuring IP Routing in Our Network ,Static Routing ,Default Routing ,Dynamic Routing ,Routing Protocol Basics ,Routing Information Protocol (RIP) ,Configuring RIP Routing ,Holding Down RIP Propagations.

Layer 2 Switching : Switching Services, Three Switch Functions at Layer 2, Port Security, Configuring Catalyst Switches, Catalyst Switch Configuration ,Verifying Cisco Catalyst Switches. VLANs and InterVLAN Routing: VLAN Basics Broadcast Control, Security ,Flexibility and Scalability,Identifying VLANs ,Frame Tagging ,VLAN Identification Methods ,Routing between VLANs .