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I
Electromagnetic Spectrum, Frequency Spectrum-Bandwidth-Allocation, Time
domain and Frequency domain analysis, Transmission media, , Twisted pair,
UTP cables, Coaxial and optical fiber cables, wireless, microwave and
satellite transmission, Transmission impairments. Serial and parallel
transmission, Simplex, half duplex or full duplex transmission mode.
Network, LAN, MAN, WAN, Internet, Intranet, Extranet, Network Topology,
Protocols, Layered Architecture, OSI and TCP/P protocol Architecture.
II Physical Layer : Convention and terminology (bit rate, channel
capacity, bandwidth, Signal strength, SNR) Physical transmission media
interface(Mechanical, Electrical and Radio interface specification)
Modulation (ASK, FSK and PSK, PCM, PAM, Delta Modulations), Line coding (NRZ-L,
NRZ–I , Bipolar AMI, Manchester and differential Manchester), Multiplexing
(FDM, Synchronous and Statistical TDM) Brief Introduction to Ethernet,
SONET/SDH.
III Data Link Layer: Channel allocation problem, pure and slotted
ALOHA Protocols, Persisted And Non-Persisted CSMA, Collision Free
Protocols, Digital Cellular Radio and CDMA. Logical Link Sub Layer, MAC
Sub layer. Brief Introduction: Frame Relay, PPP.
IV Switching Networks: Circuit switching Networks, Space and Time
division switching, Routing circuit switched networks, control signaling
packet switching principles, fixed, flooding and adaptive routing
strategies, Brief Introduction: Broadband and Narrowband ISDN, ADSL.
V Network Devices: Gateway, Router, Bridge, Switch, Hub, Repeater,
Multilayer Switch, Protocol Converter, Brouter, Proxy, Firewall,
Multiplexer, Network Card, Modem. Network Technology: DSL, GSM, Bluetooth,
Infrared. Brief Introduction to Servers : File Server, Print Server, Mail
Server, Proxy Server, Remote Access Server (RAS), Application Server, Web
Server, Backup Server
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