Cryptography in Network Security


LEARNING OUTCOMES

After undergoing the complete tutorial, the learners will be able to:
  1. Know about signal types, transmission media
  2. Know about different communication methodologies
  3. Setup computer networks
  4. Setup basic wireless network
  5. Diagnose & solve network problems
  6. Diagnose & solve network problems remotely
  7. Provide security to networks
  8. Manage & handle wan
  9. Prevent external network attacks
  10. Identify network troubleshooting methods.

Introduction to Data Communication 

  1. Basics of the Communications
  2. Direction of the Data flow(simplex, half-duplex, full-duplex)
  3. Network Topologies, signals and transmission (analog and digital)
  4. Transmission media (guided and unguided)
  5. Concept of digital signals, Bit rate, Bit length, Transmission impairment
(attenuation, distortion, noise.

Communication Methodologies

  1. Need for modulation in communication system
  2. Concepts AM, FM, PM, FSK, TSK, PCM (No Mathematical model)
  3. Concept of bandwidth and channel capacity of different communication systems such as radio, microwave etc.
  4. Multiplexing techniques (TDM, FDM, WDM,CDMA)

Networks Basics

  1. Concept of network
  2. Models of network computing
  3. Networking models
  4. Peer-to –peer Network
  5. Client-Server Network
  6. LAN, MAN and WAN
  7. Network Services
  8. Switching Techniques

Networking Models

  1. OSI model: Definition, Layered Architecture Functions of various layers
  2. TCP/IP Model: Definition, Functions of various layers
  3. Comparison between OSI and TCP/IP model

TCP/IP Addressing

  1. Concept of physical and logical addressing
  2. IPV4 addresses – Address space, Notations
  3. Classful Addressing- Different IP address classes, Classes & Blocks, Net-id &
  4. Host-Id, Masks, Address depletion
  5. Classless Addressing – Address blocks, Masks
  6. Special IP Addresses
  7. Subnetting and Supernetting
  8. Loop back concept
  9. Network Address Translation
  10. IPV4 Header
  11. IPV6 Header
  12. Comparison between IPV4 and IPV6

Network Architecture

  1. Ethernet specification and standardization: 10 Mbps (Traditional Ethernet)
  2. 10Mbps (Fast Ethernet) and 
  3. 1000 Mbps (Gigabit Ethernet)

Network Connectivity

  1. Network connectivity Devices
  2. NICs
  3. Hubs, Switches, Routers, Repeaters, Modem, Gateway
  4. Configuration of Routers & Switches

Network Administration

  1. Network Security Principles, Cryptography, using secure protocols
  2. Trouble Shooting Tools: 
  • PING,
  • IPCONFIG, 
  • IFCONFIG, 
  • NETSTAT, 
  • TRACEROOT,
  1. Wireshark, Nmap, TCPDUMP, ROUTEPRINT
  2. DHCP Server
  3. Workgroup/Domain Networking

Introduction to Wireless Networks

  1. Introduction to wireless LAN IEEE 802.11, WiMax and Li-Fi
  2. Wireless Security
  3. Introduction to bluetooth - architecture, application
  4. Comparison between bluetooth and Wifi

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