CCNA Online Training Modules Overview

Networking concepts

• Components of network – router, switch, hub, bridge etc
• Types of Network – LAN, MAN, WAN, VPN, PAN & Content Network
• Defining Network requirements – NIC- Ethernet (CSMA/CD)
• 10/100/1000 mbps DUPLEX (Half/Full/Auto) – Connecting Media – Coax.
• 10 base 2T – UTP/STP – CAT 1/2/3..
• Straight through/cross crimping (only details no practical)
• Fiber optics – Single/Multimedia
• 100 Base TX/FX etc – wireless communication.
• Ethernet cabling Standard.
• Connecting Devices
• Repeater – Hub – Switch – Bridge – Topology – Bus/Star/Ring

OSI – Model

• 7 Layers – Communication between the Layers (Encapsulation & De-encapsulation) – PDU.
• Layer 2 – MAC/LLC – 802.3/802.2 (SAP/SNAP) /Ethernet II – Frames
• Broadcast/Collision domain – point of -Hub/Switch/Router
• L4 – 3way handshake – windowing – and about – Connectionless
• Packet size [64B (mini) to 1518B (Max)]

TCP/IP Model & Ipv4 Addressing

• All Layers of TCP/IP Compound with – OS
• Application Layer – TFTP/FTP/SMTP/TELNET/SNMP/DNS
• Transport Layer – TCP/UDP – TCP Segment Format
• 3 way handshake/windowing – UDP segment Format
• Internet Layer
• IP datagram format – Protocol No. – TCP 6 – UDP 17
• ICMP – ARP – RARP
• Introduction to IP addressing – Class A/B/C/D/E
• Private IP address – First OCTET range etc.

Subnetting

• Default Subnet Mask
• Class C Subnetting & Practice no. given
• Class B Subnetting & problems
• Class A Subnetting & problems

Introduction to IPV6

• Introduction
• Host Address Assignment
• Unicast, Multicast and other Special ipV6 Addresses
• Configuring ipV6 Routing and Routing Protocols
• Translations between ipV4 and ipV6
• Summary

Basic of Router & Configuration

• Selection of Router & Cabling a Route
• When Router used – LAN with WAN connect – to connect networks of different IP
• Different interface of Router – AUI /S0/S1/AUX – console / BRI etc.
• Cables used in different interfaces/purpose of interfaces
• WAN interface cable – EIA/TIA – 232/449/530 – V.35 – X.21
• Different CISCO series – modular/fixed – 10mbps/100 etc
• Straight through between DTE & DCE

Different modes of operation & basic commands

Internal Components:

• ROM – POST – BSL – ROM-MONITOR PRG – MINIIOS
• Different interface of Router – AUI /S0/S1/AUX – console / BRI etc.
• DRAM -Running Config
• NVRAM – Startup Config
• Flash MEM – IOS

Different Modes:

• ROM Monitor – Reboot Mode – Setup – Exec Model

Exec Mode

• User -Privilege – Global – Sub-configuration mode
• Syntax/command to switch between modes
• Assigning IP address for -E0-S0-S1
• Enabling/disabling – console/privilege / vty password
• Mold – command
• Show Config / start / run / version / flash

Basic commands practice

• Changing between modes – (user-privilege- Global-etc)
• IP address configuration-E0-S0-S1
• Password – enabling – encrypting it
• Practice – motd – show commands – editing commands
• Assigning host name (for Router)

Advanced Commands

• Register value – X2102 – boot field value/purpose ROM monitor made – password breaking 8th/6th/13th bit of register value importance
• Boot system flash/network/ROM – config-register (Changing register value) – etc command purpose Booting sequence – Backup & Recovery – CDP
• Practice an above commands as well as following
• Telnet – [ctrl+shift+6]x – disconnect – sh users /Sessions
• Clear lines resume – [hostname resolving in telnet domain Enabling/disabling etc – no practical for this alone]
• Overview of Cisco SDM (Security Device Manager)

IP Routing

• IP Routing, Static Routing & Default Routing
• IP routing – static routing – default- dynamic routing
• Providing clock rate to up the link after identifying DCE by “Sh controllers” command
• Commands/syntax – Static/default routing
• Static Routing & Default Routing
• Practical-session for Static & default routing

Dynamic Routing and RIP

• Dynamic Routing – IGP & EGP.
• IGP – RIP-OSPF – EGRP – EIGRP
• Classes of Routing Protocol – Distance vector – Link State – Balanced hybrid
• Role of Routing Protocol – builds/updates/selects & Routes the packet
• Soluting for Routing loops – Max. loop count – split horizon – Route poison Reverse – Hold down Timer
• Features of RIP – distance vector algorithm – RIP V1/V2 – load sharing – metric (depends – loop count)
• Metric value depends – loop count – Ticks – delay – Reliability – cost – MTU – Bandwidth
• Command – Router RIP Network
• Sh IP route
• Timer value for RIP– Update/Invalid/ hold down/flush Timer

RIP

Dynamic Routing – RIP Practical

• Dynamic Routing EIGRP & OSPF
• Limitations of distance vector algorithm
• Features of EIGRP and its operations
• Configuring EIGRP – “Auto-redistribution”
• Verify and troubleshooting EIGRP
• Features of OSPF and its operation
• Configuring single area OSPF
• Verify and troubleshoot OSPF

Access List

• Purpose/advantage of Access-list
• IP [-for a host – for a network/sub network].
• Std IP access-list – wild card calculation
• Extd IP access list
• Switch port ACL,.
• Step involved in creating access list
• Applying access list at the interface – (inbound/outbound)
• Named access-list for IP
• Access-list in Telnet sessiont

IP standard Access List

• Practical on
• IP Std access-list

IP Extended Access List

• IP Extd access-list, named access lists

NAT

• Implement, Verify & Troubleshoot NAT
• Explain the Basic Operation Of NAT
• Using (including CLI/SDM)
• Practicals on Static NAT, Dynamic NAT and PAT
• Troubleshoot NAT issues

WAN Technologies

• WAN Technologies- Leased Line
• Leased line
• P to P communication
• HDLC & PPP protocol-features
• Enabling HDLC & PPP

PPP Link

• PPP layer & its explanation/role
• PAP/CHAP role
• Configuring PAP/CHAP using commands

VPN

• Describe VPN technology
• Importance Of VPN
• Benefits & Role
• Impact & Components

Frame-Relay

• Packet Switched Network
• Virtual circuit – DLCI – Access-link – CRI – FECN – BECN – LMI
• Enabling Frame-relay
• Inverse ARP
• Configuring frame-relay for
• Mesh Network
• Star Network
• Combination of above two

Switching

• Switching Operation and Configuration
• Function –add-learning / Forward-filters the Frame / loop avoidance
• Redundant path and its problems
• Spanning Tree Protocol – purpose – its different state (blocking/listening/learning/forwarding)
• Modes of operation of switch/Bridge
• Port duplexing
• Switch & hub – half duplex
• Switch & Server – full duplex
• CISCO catalyst switch 1912 & 1924 interface details
• M/K/I modes
• Basic and advanced commands
• Enabling & configuring MAC address table

VLAN Configuration

• VLAN – ISL – Trunking
• Enabling Trunking
• Assigning VLAN No. & name
• Configuring ports to a specific VLAN
• VTP purpose
• VTP domain
• VTP modes of operation
• Switching Technologies (including VTP , RSTP , PVSTP, 802.1q)
• Implement Basic Switch Security (including Port Security , Trunk access .etc )

Wireless LAN

• Wireless Intro & Operation
• Standards associated with Wireless Media (including WI-FI Alliance, ITU/FCC)
• Ad-hoc mode, infrastructure mode
• SSID, BSS, ESS
• Basic Parameters to configure on a Wireless Network
• Wireless Security Feature’s (WEP, WPA 1 / 2 )
• Implementing Wireless Networks

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