The essentials of ccna master the latest principles(handouts)

© 1998-2020 NetCom Learning www.netcomlearning.com info@netcomlearning.com 1-888-563-8266
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The Essentials of CCNA:
Master the Latest
Principles
Azeem Ahmad
NetCom Learning

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1998-2022 NetCom Learning www.netcomlearning.com
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Networking Basics
Internet Protocol (IP), Connectivity & Services
Security, Automation, & Programmability
Introducing LANs
Exploring the Functions of Routing
Troubleshooting
Introducing System Monitoring
Managing Cisco Devices
Q&A session with the speaker
AGENDA

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NETWORKING BASICS
• Characteristics of a Network:
• Topology
• Bitrate or Bandwidth
• Availability
• Reliability
• Scalability
• Quality of Service (QoS)
• Cost
• Virtualization

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SECURITY, AUTOMATION, & PROGRAMMABILITY
• IP has these characteristics:
• Operates at the internet layer of the TCP/IP stack
• Connectionless protocol
• Packets treated independently
• Hierarchical addressing
• Best-effort delivery
• No data-recovery features
• Media-independent
• Two variants: IPv4 and IP version 6 (IPv6)

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NETWORK DEVICE SECURITY OVERVIEW
Information security overview

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Common threats when using network devices:
Remote access threats
• Unauthorized remote access
Local access and physical threats
• Damage to equipment
• Password recovery
• Device theft
Environmental threats
• Extreme temperature
• High humidity
Electrical threats
• Insufficient power supply voltage
• Voltage spikes
Maintenance threats
• Improper handling
• Poor cabling
• Inadequate labeling

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Methods used to
obtain passwords that
can be applied either
online or offline:
• Guessing Brute
force
• Dictionary attacks
Password policy consists
of:
Password complexity
Password length
Large character set
• Password
management
• Storage
• Protection
• Password changes
Password alternatives are:
• Multi-factor authentication
• Digital certificates
• Biometrics

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SECURITY, AUTOMATION, & PROGRAMMABILITY
Network Automation, & Programmability :
• Device provisioning
• Device software management
• Data collection and telemetry
• Compliance check
• Reporting
• Troubleshooting

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INTRODUCING LANS
A LAN is a network of endpoints and other components that are locate( relatively close
together in a limited area.

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LAN COMPONENTS
Hosts:
• PCs
• Servers
• IP phones
• Printers
Mobile phones
• Interconnections:
• Network interface cards (NICs)
• Network media
Network devices:
• Ethernet Switches
• Routers
• Access points
Protocols:
• Ethernet
• IP
• Address Resolution Protocol (ARP)
• Dynamic Host Configuration Protocol (DHCP)

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EXPLORING THE FUNCTIONS OF ROUTING
• Routers are required to reach hosts that are not in the local network.
• Routers use a routing table to route between networks.

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TROUBLESHOOTING
The guiding principles determine how you move through the phases of the
troubleshooting process.

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TROUBLESHOOTING METHOD
Top-Down Bottom-Up Divide and Conquer

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INTRODUCING System Monitoring
Characteristics of syslog are as follows:
• Syslog is a protocol that allows a network device to send event notification
messages across IP networks to event message collectors.
You can configure a device so that it generates a syslog message and forwards it to
various destinations:
• Logging buffer
• Console line
• Terminal lines
• Syslog server

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STAGES OF ROUTER POWER-ON BOOT SEQUENCE
Stages and router components that are used in the router power-on boot sequence:

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1998-2022 NetCom Learning www.netcomlearning.com info@netcomlearning.com 1-888-563-8266
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To watch the recorded webinar video for live demos, please access the link:
https://bit.ly/36t70kN
RECORDED WEBINAR VIDEO

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1998-2022 NetCom Learning www.netcomlearning.com info@netcomlearning.com 1-888-563-8266
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ABOUT NETCOM LEARNING
NetCom Learningis an award-winning
global leader in managedlearning
services, training and talentdevelopment.
Founded : 1998
Headquarters : NewYorkCity
Delivery Capability : Worldwide
CEO : RussellSarder
100K+
Professionals
trained
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© 1998-2019
NetCom Learning
www.netcomlearning.com info@netcomlearning.com 1-888-
563-8266
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orporate
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RECOMMENDED COURSES AND MARKETING ASSETS
NetCom Learning offers a comprehensive portfolio for Networking
» CISCO CERTIFIED NETWORK ASSOCIATE (CCNA) CERTIFICATION
» Implementing Cisco SD-WAN Solutions - Class Scheduled on March 14
» Implementing Cisco Enterprise Advanced Routing And Services - Class Scheduled on March 14
» Implementing Cisco Enterprise Wireless Networks - Class Scheduled on April 04
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You can also access the below Marketing Assets
» Free 1hr Training - CCNP Enterprise Networks: Move One Step Closer to Advanced Networking
» Free On - Demand Training - Start Your Network Foundations with CCNA
» Blog - Free Cisco CCNA Study Guide
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