Course in ICND 1

Topics to be studied in the Course

Unit 1: Building a Simple Network

Lesson 1: Exploring the Functions of Networking

* Define a network
* Elucidate the common components of a network
* Interpret network diagrams
* Elucidate major resource-sharing functions of networks plus their benefits
* Elucidate four common user applications that require network access plus the benefits of each
* Elucidate the impact of user applications on the network
* Elucidate the categories of features used to Elucidate the various network types
* Compare plus contrast physical plus logical topologies
* Elucidate the features of a bus topologies
* Elucidate the features of a star plus extended-star topologies
* Elucidate the features of a ring plus dual-ring topologies
* Elucidate the features of a mesh plus partial-mesh topologies
* Elucidate the methods of connecting to the Internet

Lesson 2: Securing the Network

* Elucidate how sophisticated attack tools plus open networks have generated an increased need for network protection plus dynamic protection policies
* Elucidate the challenge of balancing network protection needs against e-business processes, legal issues, plus government policies
* Elucidate network adversaries, hacker motivations, plus classes of attack
* Elucidate how to mitigate common threats to Cisco routers plus switches

Lesson 3: Understplusing the Host-to-Host Communications Model

* Identify the requirements of the host-to-host communication Unit
* Define the purpose of the OSI reference model
* Define the features, functions, plus purposes of each of the OSI layers
* Elucidate the process of encapsulation plus de-encapsulation
* Elucidate how peer-to-peer communication works
* Elucidate the purposes plus functions of the TCP/IP suite in data communications

Lesson 4: Understplusing the TCP/IP Internet Layer

* Elucidate the features of the Internet protocol
* Elucidate the components of an IPv4 address
* Elucidate the structure of an IPv4 address
* Elucidate the classes of IP addresses
* Elucidate reserved IP addresses
* Compare public plus private IP addresses
* Define the function of DHCP in IP addressing
* Define the function of DNS in IP addressing
* Identify common host tools to determine the IP address of a host

Lesson 5: Understplusing the TCP/IP Transport Layer

* Elucidate the purpose plus functions of the transport layer
* Contrast connection-oriented transport with connectionless transport
* Elucidate the features of UDP
* Elucidate the features of TCP
* Elucidate common applications provided by TCP/IP
* Elucidate how the protocol stack maps Layer 3 to Layer 4
* Elucidate how the protocol stack maps Layer 4 to applications
* Order the steps of the initialization of a TCP connection
* Elucidate the reasons for plus the mechanics of flow control
* Order the steps in an acknowledgment sequence
* Define the function of windowing
* Define sequence plus acknowledgment numbers

Lesson 6: Exploring the Packet Delivery Process

* Elucidate Layer 1 devices plus their function
* Elucidate Layer 2 devices plus their function
* Elucidate Layer 2 addressing
* Elucidate Layer 3 devices plus their function
* Elucidate Layer 3 addressing
* Elucidate mapping Layer 2 addressing to Layer 3 addressing
* Elucidate the ARP table
* Elucidate packet delivery (host-to-host)
* Elucidate the function of the default gateway
* Use common host tools to determine the path between two hosts across a network

Lesson 7: Understplusing Ethernet

* Define a LAN
* Identify the components of a LAN
* Elucidate the functions of a LAN
* Elucidate LAN sizes
* Elucidate the evolution of Ethernet (IEEE 802.3)
* Elucidate the stplusards that govern Ethernet
* Define how CSMA/CD operates
* Identify the fields of an Ethernet frame plus Elucidate their functions
* Elucidate the features of each type of Ethernet frame addressing
* Define the purpose plus components of an Ethernet address
* Define the hexadecimal structure plus function of MAC addresses in an Ethernet LAN

Lesson 8: Connecting to an Ethernet LAN

* Elucidate the functions of a NIC in an Ethernet LAN
* Elucidate the connection requirements for an Ethernet LAN
* Define the types of Ethernet LAN connection media
* Elucidate the features of an unshielded twisted-pair cable
* Recognize the differences between straight-through plus crossover cables, plus Elucidate the appropriate uses for each

Unit 2: Ethernet LANs

Lesson 1: Understplusing the Challenges of Shared LANs

* Define Ethernet LAN segments plus their distance limitations
* Elucidate the features plus functions of a hub in an Ethernet LAN
* Define collisions on a LAN plus Elucidate the conditions that produce them
* Define collision domains in an Ethernet LAN

Lesson 2: Solving Network Challenges with Switched LAN Technology

* Identify the typical causes of network congestion on an Ethernet LAN
* Elucidate the features plus functions of a bridge in alleviating network congestion
* Elucidate the features plus functions of a switch
* Compare the network performance of a switch to the network performance of a bridge
* Elucidate the three functions of a switch
* Elucidate how switching works
* Elucidate how LANs today use switching technology

Lesson 3: Exploring the Packet Delivery Process

* Elucidate Layer 2 addressing
* Elucidate Layer 3 addressing
* Elucidate packet delivery (host-to-host)

Lesson 4: Operating Cisco IOS Software

* Elucidate the features plus functions of Cisco IOS Software in relation to enterprise network considerations
* Elucidate the initial startup for Cisco network devices
* Elucidate external configurations for Cisco network devices
* Define the features of the Cisco IOS CLI
* Elucidate how to start an EXEC session plus change EXEC modes
* Identify the online help functions associated with the device CLI
* Elucidate the enhanced editing functions of the Cisco IOS CLI
* Use the device commplus history feature of the CLI

Lesson 5: Starting a Switch

* Start up a Cisco IOS switch
* Identify the conditions reflected by the LEDs on Cisco IOS switches
* Elucidate the initial boot output from a Cisco IOS switch
* Log in to a Cisco IOS switch
* Configure a Cisco IOS switch from the commplus line
* Verify the initial switch operation
* Use the appropriate show commplus for MAC address table management

Lesson 6: Understplusing Switch Protection

* Elucidate how to mitigate hardware, environmental, electrical, plus maintenance-related protection threats to Cisco switches plus switches
* Configure password protection
* Configure the Login Banner
* Elucidate the difference between using Telnet versus SSH for remote access
* Configure port protection
* Secure unused ports

Lesson 7: Maximizing the Benefits of Switching

* Elucidate the features plus advantages of microsegmentation
* Compare half-duplex plus full-duplex operation in an Ethernet LAN
* Identify the need for different media rates in enterprise networks plus Elucidate how thisneed can be satisfied in a switched Ethernet network
* Elucidate how loops can affect performance in a switched LAN
* Elucidate how STP protects against loops resulting from physical redundancy in an Ethernet LAN

Lesson 8: Troubleshooting Switch Issues

* Identify switch issues using a layered approach
* Identify plus resolve common switched network media issues
* Identify plus resolving common access port issues
* Identify plus resolve common configuration issues

Unit 3: Wireless LANs

Lesson 1: Exploring Wireless Networking

* Elucidate the business case for WLAN services
* Elucidate the differences between WLAN plus LAN implementations
* Identify the features of the radio frequency transmissions used by WLANs
* Identify the organizations that define WLAN stplusards
* Elucidate the three unlicensed bpluss used by ITU-R local FCC Wireless
* Compare the different IEEE 802.11 stplusards
* Elucidate Wi-Fi certification

Lesson 2: Understplusing WLAN Protection

* Elucidate common threats to WLAN services
* Elucidate methods of mitigating protection threats to WLAN services
* Elucidate the evolution of WLAN protection.
* Elucidate the wireless client association process
* Elucidates how IEEE 802.1X provides additional WLAN protection
* Elucidate the modes of WPA

Lesson 3: Implementing a WLAN

* Elucidate the IEEE 802.11 topologies
* Elucidate BSA WLAN service
* Elucidate the effect of distance plus speed on WLAN service
* Elucidate the factors that should be considered in implementation of an access point
* Elucidate basic wireless implementation
* Elucidates the form factors to add wireless to existing laptops
* Elucidate how to troubleshoot common wireless issues

Unit 4: LAN Connections

Lesson 1: Exploring the Functions of Routing

* Elucidate the physical features of a router plus the functions of a router in the IP packet delivery process
* Elucidate the method used in determining the optimal path for forwarding IP packets between networks
* Elucidate the features of routing tables plus their function in path determination
* Match the features of a static route, dynamic route, directly connected route, plus default route to the appropriate route type
* Elucidate the features of routing protocols that build plus maintain routing tables automatically

Lesson 2: Understplusing Binary Basics

* Elucidate the decimal plus binary number systems
* Elucidate the "powers of 2" process
* Convert a decimal number to a binary number
* Convert a binary number to a decimal number

Lesson 3: Constructing a Network Addressing Scheme

* Define the purpose plus function of a subnet
* Elucidate the process of computing usable subnet plus host addresses
* Elucidate how end systems use subnet masks to locate a destination device
* Elucidate how routers use subnet masks to route a packet to its destination
* Elucidate the mechanics of subnet mask operation
* Apply subnet mask operations to Class A, B, plus C IP addresses

Lesson 4: Starting a Cisco Router

* Start up a Cisco router
* Start the initial setup process for a Cisco router
* Log in to a Cisco router
* Show the hardware plus software status of a Cisco router

Lesson 5: Configuring a Cisco Router

* Elucidate the router configuration modes
* Configure a router from the CLI
* Configure router interfaces
* Configure a router IP address
* Verify the router interface configuration

Lesson 6: Exploring the Packet Delivery Process

* Elucidate Layer 2 addressing
* Elucidate Layer 3 addressing
* Elucidate host-to-host packet delivery
* Elucidate the use of the show ip arp commplus
* Elucidate the use of common Cisco IOS tools to verify connectivity

Lesson 7: Understplusing Cisco Router Protection

* Elucidate how to mitigate hardware, environmental, electrical, plus maintenance-related protection threats to Cisco routers
* Configure password protection
* Configure the login banner
* Elucidate Telnet plus SSH for remote access

Lesson 8: Using Cisco SDM

* Elucidate the features of Cisco SDM
* Elucidate how to use the elements of the Cisco SDM interface
* Elucidate the function of each of the five Cisco SDM wizards

Lesson 9: Using a Cisco Router as a DHCP Server

* Elucidate the features of DHCP
* Elucidate using a router as a DHCP server
* Elucidate how to use Cisco SDM to enable the DHCP server to function on a router
* Elucidate how to monitor DHCP server functions

Lesson 10: Accessing Remote Devices

* Use Telnet plus SSH to connect to remote network devices
* Suspend plus resume a Telnet session
* Close a Telnet session
* Use Cisco IOS Software commpluss to test connectivity

Unit 5: WAN Connections

Lesson 1: Understplusing WAN Technologies

* Elucidate the functions plus features of a WAN
* Elucidate the business needs for WANs
* Compare WANs to LANs
* Elucidate how WAN protocols operate in relation to the OSI reference model
* Elucidate the hardware devices that typically function in connecting to a WAN plus define their functions
* Elucidate the cabling that is available for WAN connections
* Define the role of routers for WAN access
* Elucidate the major protocols that operate in a WAN environment
* Elucidate the major types of WAN access communication link options

Lesson 2: Enabling the Internet Connection

* Define the functions of a packet-switched WAN communication link
* Elucidate the features plus functions of DSL
* Elucidate the features plus functions of cable-based WANs
* Elucidate the evolution plus the function of the global Internet
* Elucidate the process of obtaining an interface address from a DHCP server
* Elucidate the features of NAT plus PAT on Cisco routers
* Elucidate using static plus dynamic translation to translate inside source addresses
* Use Cisco SDM to configure the DHCP client plus PAT by overloading an inside global address
* Use Cisco SDM to verify that the DHCP client is operating as expected
* Use Cisco IOS commpluss to verify that NAT plus PAT are operating as expected

Lesson 3: Enabling Static Routing

* Elucidate the basic features of IP static plus dynamic routing
* Elucidate the differences between static plus dynamic routing
* Configure static routes on Cisco routers
* Configure default route forwarding
* Verify static route configurations

Lesson 4: Configuring Serial Encapsulation

* Define the functions plus features of circuit-switched WAN communication links
* Define the features plus functions of the PSTN
* Define the functions plus features of point-to-point communication links
* Define the features of HDLC
* Elucidate how to configure HDLC encapsulation on a serial port
* Define the features of PPP plus Elucidate how it is enabled on a serial interface
* Verify HDLC plus PPP configurations
* Define the features of Frame Relay
* Define the features of ATM

Lesson 5: Enabling RIP

* Elucidate the purpose, types, plus classes of dynamic routing protocols
* Elucidate the different classes of routing protocols
* Elucidate how a distance vector routing protocol selects routes plus maintains routing information
* Elucidate the features of RIP
* Elucidate the differences between RIPv1 plus RIPv2
* Elucidate the tasks required to enable a dynamic routing protocol on a Cisco router
* Elucidate the configuration tasks needed to enable basic RIP routing on a Cisco router
* Use the show commpluss to verify the RIP configuration
* Elucidate the use of the debug ip rip commplus

Unit 6: Network Environment Management

Lesson 1: Discovering Neighbors on the Network

* Elucidate the purpose plus function of the Cisco Discovery Protocol
* Elucidate the information provided by Cisco Discovery Protocol
* Enable plus disable Cisco Discovery Protocol
* Determine the host names plus addresses of neighboring Cisco devices using Cisco Discovery Protocol
* Monitor plus maintain information about neighboring Cisco devices using Cisco Discovery Protocol
* Use information gathered using Cisco Discovery Protocol to create a network map of the environment

Lesson 2: Managing Cisco Router Startup plus Configuration

* Elucidate the router boot sequence plus Elucidate how to verify that the router booted correctly
* Identify the internal components of Cisco routers
* Elucidate the process for locating the Cisco IOS image
* Display plus change the boot information in the configuration register

Lesson 3: Managing Cisco Devices

* Elucidate the file systems used by a Cisco router
* Manage Cisco IOS image files to maintain accessible Cisco IOS images
* Manage device configuration files to reduce device downtime
* Use the copy commplus to move configurations