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Introduction to Networks 
Network Services, Network Topologies, Circuit Switching and 
Packet Switching.   
Computer Networks 
Layered Architecture  
Concept of Layering, OSI Model.   
The Physical Layer  
Digital Transmission Fundamentals, Transmission Media, 
Devices and Components.   
The Data Link Layer (DLC)  
Error Control, ARQ, Framing.   
Medium Access Control Protocols  
ALOHA, CSMA, LANs.   
Packet Switching & the Network Layer 
Datagram and Virtual Circuit Switching, Network Layer 
Functions, Routing Algorithms   
ATM and TCP/IP Networks   
Telephone Networks 
Network Elements, Multiplexing, Switching, Signaling, Traffic 
Analysis, Cellular Networks |