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Day 1:
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Introduction to Networks
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· What is a network
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· Why need a network
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· What components make up a network
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The OSI Model
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· What is the need for the OSI Model
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· What are the different layers of the OSI model, and what is their function
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Local Area Networks
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· What is a LAN
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· What components make up a LAN
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Ethernet, Hubs and Switches
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· Ethernet
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· MAC addressing
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· How does Ethernet Work
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· Connecting multiple Devices using a Hub
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· Collision Domains
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· What are Switches
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· Why use Switches
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· Spanning Tree, redundancy at Layer 2 of the OSI model
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Day 2
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Connecting Networks using TCP/IP
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· The TCP/IP Stack
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· IP Addresses and Subnets
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· TCP and UDP
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· Broadcast Domains
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· ARP
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· DNS
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Routing
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· Routers
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· The Routing Process
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· The Routed Protocols
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· The Routing Protocols
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· NAT and PAT
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· IP Multicasting
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Day 3
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Voice Over IP
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· Converting Analog to digital and back
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· Codecs, Voice Quality and Bandwidth
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· Transporting Voice over IP networks
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· RTP
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· Call Control
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· H323, SIP and MGCP
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· End Points and Media Gateways
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Day 4
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Quality of Service
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· The need for QoS
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· Delay, jitter and packet loss
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· Diffserv and Intserv Models
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· Avoiding Congestion
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· Managing Congestion
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Security
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· Security threats
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· Securing the network
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· Ipsec VPNs
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· SSH and HTTPS
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· Firewalls
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· NAC
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· 802.1x
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· Intrusion Detection and Prevention
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· Session Border Controllers
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