Videos

Week 1: Introduction

Introduction

Introduction

Week 2: Network layering, and protocols, OSI and TCP/IP Model

Network Models

Network Models

OSI Model

The OSI Reference Model (Part 1)

The OSI Reference Model (Part 2)

The OSI Reference Model (Part 3)

The OSI Reference Model (Part 4)

Week 3: Physical layer: wired and wireless connectivity

Data & Signals

Data & Signals 2

Physical layer

Week 4&5: Data link layer: Ethernet & ARP

Data link layer & ARP

Data link layer

ARP

Week 6: Introduction to network layer. Inside a router.

Network Layer Features

Network performance

IP Addressing

IP addressing & subnet mask

internet protocol (IP) header

NAT

NAT protocol & ipv6

NAT

Forwarding Packets

Week 7: Network layer: IP, IP addressing and routing, IPV6

IPv6

IPv6 representation

IPv6 Assignments

IPv6 Global Unicast Address Structure

IPv6 Header Format

IPv4 vs IPv6

IPv4 vs IPv6

IPv6

Week 8: Network Design for different sized Business Organizations, Using public networks fo r secure data transport: VPNs

VPN

Authorization and Access Control

Integrity & confidentiality

Tunneling

VPN Implementations (Types)

VPN benefits

Week 9: Introduction to Transport layer protocols. Principles of reliable transfer, TCP reliable transfer implementation.

Transport layer

Transport Layer Services

Port Number

Port Number types

Socket Address

Sliding Window

Stop and Wait Protocol

Week 10: TCP reliable transfer cont’d, RTT and timer, flow control, TCP connection management. Principles of congestion control.

TCP vs UDP

UDP

TCP

TCP segment

Week 11: TCP congestion control. TCP performance: response time. TCP throughput

TCP 3 Phases

Send Receive Windows

Flow Control

Error Control

Congestion Control

Week 12: Principles of Application layer: core Internet application protocols: FTP, SMTP, DNS.

FTP

SMTP

DNS

Week 13: Network Security and Security devices, Securing IT infrastructure in a Business organization /Case Studies: Networking solutions for increased Business efficiency.

CIA

Denial of Service Attacks

Denial of Service Attacks

DDoS Attack

DDoS Attack

Cryptography

Symmetric Key and Public Key Encryption

Hash Function

Digital Signatures

How Hash Function Works

Firewall

IDS and IPS

DMZ

RADIUS

NAC

Week 14: Network performance requirements for Business application software: HTTP, Web Caching and content delivery networks. Peer-to-peer applications.

HTTP

How HTTP Works

FTP

SMTP

Jitter

Timestamp

Playback Buffer

BitTorrent

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Google Sites

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