Introduction to network design and analysis - CS-206
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Part I-Introduction to network design and analysis - CS-206
Course Introduction
What is a Network?
Traditional Computer Networks
Using the Network by Accident
Using the Network on Purpose
Well-known Network Applications
Starts with a Plan
Examples of Good Rules for Networking
Proprietary and Public Models
How TCP/IP Standard Grows?
Two-Well Known Networking Models
What is a Local Area Network?
LAN Cables and Connectors
Ethernet Hubs
Ethernet Frames and Collisions
How to avoid Collisions over Ethernet?
Importance of Ethernet Addresses
Frame Check Sequence
Two Ethernet Standards
Working of a LAN Switch
Collision Avoidance
Full Duplex and Full Switching
Learning Ethernet addresses
Ethernet Network Speeds
Multiple Physical LANs
Introduction to Virtual LANs
Packing VLAN’s frames in a Trunk
A Network Application
SMTP, POP3
File Transfer Protocol (FTP)
World Wide Web and HTTP Protocol
Main Features of TCP
Working of TCP
TCP Flow and Congestion Control
User Datagram Protocol (UDP)
TCP Ports Numbers
TCP Segmentation
Basics of Internet Protocol (IP)
Working of IP and IP addresses
How to run an IP Network?
Classes of IP Networks
IP Subnetting
Network Address Translation (NAT)
Dynamic Host Configuration Protocol (DHCP)
Internet Control Message Protocol (ICMP)
Processing IP Packet
A Link State Routing Algorithm
Distance Vector Routing Algorithm
Working of Default Gateway Router
Address Resolution Protocol
Router’s Routing Logic and Table
Routing with Subnets
Router Hardware Architecture
Routing to Nearby Places
Dynamically Learning Routing Tables
How to Pick the Best Route
Interior & Exterior Routing Protocols
Introduction to Domain Name System
Part II-Introduction to network design and analysis - CS-206
Domain Name System (DNS) Servers
Working of Domain Name System
DNS Resource Records
Introduction to Wide Area Network
Different Aspects of WAN Link
A Cross-over Cable versus Leased Circuit
Routers and WANS
Frame Relay
Frame Relay Switching
Virtual Circuits
Point-to-Point WANs & Frame Relay
Routing over PVCs
A Large IP Network
Using a Phone Line for Data
Digital Subscriber Line (DSL)
Sending Data without a Phone Line
Introduction to AAA Security Model
Password Authentication Protocol
Virtual Private Network (VPN)
Enterprise Network and the Internet
Firewalls, Demilitarized Zone, IDS
Introduction to Wireshark
A Four-Part Analysis Methodology
Using a Troubleshooting Checklist
Capture Options for a Switched Network
Verify the Target Host Traffic
Do not Focus on Acceptable Delays
Watch for the Delays that DO Matter
Packets 2 and 3 of TCP Handshake
Wireshark's Expert Infos System
Wireshark's Packet Loss Detection
Packet Loss Recovery Methods
Duplicate ACKs and their Causes
Out-of-Order Packets and their Causes
Causes of Fast Re-transmissions
Causes of Re-transmissions
Causes of ACKed Unseen Segments
Causes of Keep Alives
Causes of Reused Ports
Causes of Checksum Errors
Introduction to Packet Tracer
Packet Tracer’s Interface Overview
Creating a Simple topology
Introduction to Cisco and PT devices
Customizing Devices with Modules
Accessing CLI of a Device
Configuring Devices with Config Tab
Generic IP End Devices in PT
Configuring End Devices in PT
Packet Tracer’s Simulation Mode
Connecting Devices and Link Status
Testing Connectivity with PDUs
Clustering a Topology
Creating Cities, Offices & Wiring Closets
Managing Cables and Distances
Static Routing with GUI
Static Routing with CLI
Configuring RIP with GUI
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