CSVTU Telecommunication And Switching Circuit And Network Topic Wise Notes
UNIT-I TELEPHONY & CABLE TECHNOLOGY:
Basic concept of telephony system & topology, Framing, Multiplexing, Flow/ Error control, Multiple access, Packet switching, Message Switching, Addressing / Routing, Subscriber loop system, switching hierarchy and routing, PSTN, ISDN, DSL, ADSL. Cable technologies.
UNIT-II COMPUTER NETWORK
Introduction, Perspective of network, protocols and standard, Network Topologies,
Transmission Mode, categories of network; LAN, MAN, WAN, OSI Model, Functions of the
layer, TCP/IP Protocol suit, Link Configuration, Asynchronous and Synchronous mode.
Physical layer: Digital data transmission, DTE-DCE Interface, other Interface Standard,
V.24 Null Modem, Modem Standards, cable Modem, Transmission Media, Data Link layer:
Types of Errors, Error Detection and Correction Methods, Flow Control, HDLC, Brief
Details of Data Link Protocols.
UNIT –III LOCAL AREA NETWORK & UPPER LAYERS
Aloha, /slotted aloha IEEE 802 Standards; IEEE 802.1, LLC, MAC, PDU, ETHERNET:
Access method, addressing, Frame Format, Implementation, Switched Ethernet, Fast
Ethernet, Gigabit Ethernet, Token Bus, Token Ring, FDDI,
OSI layers: Network Layer, Transport Layer, Session Layer, Presentation Layer,
Application Layer, Networking and Internetworking devices :Overview of repeaters,
Bridges, routers, Gateways, Hubs. TCP: TCP Services, TCP Header Format, FTP, SMTP,HTTP.
UNIT –IV EXAMPLE NETWORKS & ROUTER DESIGN: -
Switched packet & data services, concept of ingredient, X.25, Frame relay, ISDN,
ATM network, ATM signaling and PNNI routing, ATM traffic management, IP over
ATM to MPLS, Decoupling, Introduction to traffic engineering, high speed router
design.
UNIT -V CRYPTOGRAPHY & DIGITAL SIGNATURE
Cryptography: Encryption; Decryption; Cryptogram (cipher text); Single key (Secret key);
Cryptography; two -key (Public key) cryptography; Single key cryptography; The data
Encryption Standard; Public Key Cryptography; Diffie-Hellmann public key distribution;
The Rivest- Shamin Adelman(R-S-A) system for public key cryptography; Digital
Signature, Certification authority.