Why do we need a network?
What does the network accomplish for us?
Foundations: OSI
The OSI Model and layers of network functionality.
TCP/IP: Addressing Fundamentals
TCP/IP concepts, IP address format, public and private addressing, and address classes.
Why having TWO addresses is the key to successful network communication?
TCP and UDP
When it communicates across the network using TCP or UDP?
This decision determines how reliable the data transfer will be.
Port Numbers
Port numbers help network communication between devices, allowing you to dictate what service you are trying to reach.
Two Packets
Big picture perspective of packets on a local network communication and remote network communication using packets
Ethernet
Ethernet defines the standard for LAN communication around the world.
Undersand how networks operates. Ethernet standard, CSMA/CD (the rules of communication), and the architecture of a MAC address.
LANs Physical Connections
crimping Ethernet cables, primary physical standards of Ethernet: UTP and Fiber Optics, straight-through vs. crossover cables, and an end-to-end picture of cabling in a corporate environment.
LAN Switches
Ethernet's use of CSMA/CD allowed it to obtain much faster speeds than its competitor (token ring); however, it also led to many problems with collisions in larger networks. Understanding of how the network switch fits into our network environments.
Working with the Cisco Switch IOS
How to work with IOS, Cisco's operating system:
general navigation and help features of the IOS.
Setup of a Cisco Switch
IOS initial configuration of a Cisco switch. meaning of the physical LEDs on a switch,
the initial boot process and configuration dialog, and the configuration of a VLAN interface.
Configuring Switch Security
Initial security of your switch, primarily focusing on configuring passwords, logon banners, and SSH.
Enabling port security for your network, control of the number and type of devices that attach to your network.
Optimizing and Troubleshooting Switches
common problems in a LAN environment.
improving your efficiency on Cisco devices.
Wireless Networking
foundations of wireless networks including radio frequency, wireless channels and standards,
and the best way to design wireless for your organization.
Wireless Security and Implementation
Security vulnerabilities
steps to take to successfully implement and secure a wireless network.
Advanced TCP/IP
converting from decimal to binary and back
advanced TCP/IP addressing, IP subnetting
the ability to separate IP addresses into subnets based on the number of networks an organization needs
ability to separate IP addresses into subnets based on the number of hosts an organization needs in each network the ability to reverse engineer subnets based on the IP address and subnet mask that has been given
Routing: Initial Router Configuration
initial configuration of a Cisco router.
Routing: SDM and DHCP Server Configuration
graphic user interface (GUI) based Cisco Security Device Manager, or SDM
Cisco router management through the SDM.
Routing: SDM and DHCP Server Configuration
Dynamic Host Configuration Protocol (DHCP)
configuring a DHCP server using SDM.
Routing: Implementing Static Routing
configuring the foundational form of routing known as static routing.
Routing: Implementing Dynamic Routing with RIP
dynamic routing works much better when you want to get the job done fast.
configuration of the RIP routing protocol for small network environments
Routing: Internet Access with NAT and PAT
Network Address Translation (NAT)
how to use the Cisco SDM to configure your router to support NAT Overload
Routing: WAN Connectivity
types of WAN connections and configuration
Management and Security: Telnet, SSH, and CDP
management and security strategies for Cisco devices
configure and monitor our devices are Telnet and SSH.
how to navigate through Cisco devices
Cisco Discovery Protocol (CDP) to unveil an undocumented network.
Management and Security: File Management
ability to copy files to and from your routers and switches
to back up configurations and IOS versions
moving files to and from these file systems.
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