A Level - Syllabus of Module: A9.3-R5-Network Management
Introduction :
This course will allow students to develop background knowledge as well as core
expertise in networking and data communication technologies, which is one of the
fastest growing industries in today’s world. It forms an integral part of the modern
Information and Communications Technology (ICT) in any organizations. Starting
from intranet/extranet in small offices to the World Wide Web, principles of
networking and data communication technologies DCN play an important role in
designing any modern telecom infrastructure.
A major ramification of the fantastic growth of telecommunications and networking
is a dramatic increase in the number of professions, where an understanding of
Computer Networking is essential for success. This course is designed with this new
mix of students in mind. The course, being the first one on telecommunication and
Computer networking in the NIELIT hierarchy, starts from the very basics of
communication technology and goes up to the Internet, spanning all the five layers of
TCP/IP model. The students will be exposed to communication principles, different
types of media, modulation techniques, multiplexing, switched networks, the Internet,
TCP/IP suite, network security, mobile wireless communication, fibre-optic
communications and the state-of-art networking applications.
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| A Level - Syllabus of Module: A9.3-R5-Network Management |
(i) Introduction To Computer Networks :
Introduction: Definition of a Computer Network; What is a Network?, Components
of a computer network: Use of Computer networks; Networks for companies,
Networks for people, Social Issues: Classification of networks; Based on
transmission technology, Based on the their scale, Local Area Networks(LANs),
Metropolitan Area Networks (MANs), Wide Area Networks(WANs), Computer
topologies: Physical vs Logical Topology, Types of topologies: Linear Bus
Topology, Ring Topology, Star Topology, Hierarchical or Tree Topology,
Topology Comparison, Considerations when choosing a Topology, Modes of
communication: Simplex, Half Duplex, Full Duplex, Concept of Channel, Sender
and receiver with Communication process
(ii) Introduction: Networks Layers / Models :
Protocol hierarchy, Design issues for the layers, Merits and De-merits of Layered
Architecture, Service Primitives: Reference models; The OSI Reference Model, The
TCP/IP Protocol Model, Comparison of the OSI Reference Model & the TCP/IP
Protocol Models: Network standardization; Who's who in the telecommunication
world?, Who's who in the standards world, Who's who in the Internet standards
world?, TCIP/IP Protocol Suite.
(iii) Physical Layer :
Introduction: Basic Functions of Physical Layer, Digital Signals: Bit rate, Bit length,
Transmission of digital Signals, Analog Signals: Amplitude, Phase, Frequency,
Wavelength, Transmission Impairments, Data Rate limits: Noiseless Channel:
Nuyquist Bit Rate, Noisy Channel: Shannon capacity, Performance: Bandwidth,
Throughput, Goodput, Latency (delay), Jitter. Concept of Serial and Parallel
transmission, Switching; Circuit switching, Message switching, Packet switching,
Virtual Switching, Multiplexing; FDM – Frequency division multiplexing, WDM –
Wavelength division multiplexing, TDM – Time Division Multiplexing:
Synchronous and Statistical, Transmission Media: Guided Media, Unguided Media,
PSTN, Modems, DSL and other standards, Cable Networks: HFC,CM,CMTS.
(iv) Data Link Layer :
Introduction, Basic functions of Data Link Layer (LLC and MAC Sublayers):
Framinng, CRC, Checksum, Protocols:Stop andWait, Go- Back-N, Selective Repeat,
Piggybacking, HDLC, Point to Point, Multiple Access: Random Access :CSMA /
CA, CSMA / CD, Controlled Access: Reservation, Polling, Token Passing,Wired
LANS: IEEE Standards,Wireless LANs: IEEE Standards.
(v) Network Layer : IPv4 Addressing, IPv4 Subnetting: CIDR, VLSM, NAT, NAT Types, IPv6
Addressing, Transition from IPv4 to IPv6, Address Mapping: ARP, RARP,
BOOTP, DHCP, ICMP, ICMPv6 and IGMP, Concept of Forwarding of Packets by
Routers, Unicast Routing Protocols: Distance Vector, Link State, Path Vector with
examples of each.
(vi) Transport Layer :
Introduction, Basic Functions of Transport Layer: Client server Process with Port
Numbers concept in detail, Concept of Socket Multiplexing vs De-multiplexing,
Connectionless vs Connection Oriented, Reliable vs Unreliable, UDP in detail, TCP
in detail.
(vii) Congestion Control :
Flow control vs. congestion control. Congestion Basics, Congestion Control: OpenLoop Closed-Loop, Concept of Quality of Service, techniques to improve QoS.
(viii) Application Layer :
Basic Function of Application Layer, Concept of Namespace and DNS, Basics of
Remote Logging (telnet and ssh), E-mail: Architecture, Introduction to SMTP, POP,
IMAP protocols, File Transfer: FTP, Anonymous FTP and TFTP, Concept of www
and HTTP: www, http, https protocols, Basics of Network Management System:
SNMP protocol
(ix) Networking Devices :
Introduction; Goal of networking devices: Repeaters and their use, Hubs, Bridges,
Managed vs Non Manageable switches, L-2 Switches, L-3 Switches, Stackable
Switches, Concept of Collision Domain, Working of Hubs and Switches, Concept
of Port Density, Concept of Broadcast Domain, Routers: Dedicated Hardware
versus Server-Based Routers, Advantages and Disadvantages of dedicated hardware
routers, Drawbacks of Routers, Gateways: Advantages of Gateways, Gateways
Functionality, Other Devices: Brouter, Proxy Server, Wireless Access Point
(WAPs)/Wireless Router, Wireless LAN Extender and Wireless LAN Controller
(x) Fundamentals of Mobile Communication :
Introduction to wireless communication, wireless transmission:frequencies &
regularion, signals, antena, multiplexing, modulation, spread spectrum & cellualr
system. Evolution of Mobile Generation Technologies: 1G, 2G, 3G, 4G and 5G.
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