NetCom learning webinar start your network foundations with ccna(handouts)

© 1998-2021 NetCom Learning www.netcomlearning.com info@netcomlearning.com 1-888-563-8266
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Start Your Network
Foundations with
CCNA
Robert Piper
NetCom Learning

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Introduction to Networks
Components of Network
IP/LAN/LAN Components
Role of Router
Introduction to Syslog
AGENDA
Cisco Enterprise Architectural Model
Network Device Security overview

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INTRODUCTION TO NETWORK

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CISCO ENTERPRISE ARCHITECTURAL MODEL

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COMPONENTS OF NETWORK

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INTERNET PROTOCOL
• 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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LOCAL AREA NETWORK
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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LAN COMPONENTS

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ROLE OF ROUTER
• 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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ROLE OF A ROUTER

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IPV4 ROUTING TABLE EXAMPLE

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TROUBLESHOOTING METHODS
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 SYSLOG
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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CHARACTERISTICS OF WICKED PROBLEM
SNMP is a management protocol that supports message exchange:
• SNMP manager: Polls agents on the network and displays information.
• SNMP agent: Stores information and responds to manager requests. It also
generates traps which are unsolicited messages.
You can set thresholds to trigger a trap notification process when values are
exceeded.
Management Information Base (MIB):
• Contains a database of objects (information variables).

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CISCO INTEGRATED FILE SYSTEM AND DEVICES

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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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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
NETWORK DEVICE SECURITY OVERVIEW
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
NETWORK DEVICE SECURITY OVERVIEW
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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To watch the recorded webinar video for live demos, please access the link:
https://bit.ly/3zpPWVH
RECORDED WEBINAR VIDEO

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ABOUT NETCOM LEARNING
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global leader in managedlearning
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CEO : RussellSarder
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RECOMMENDED COURSES AND MARKETING ASSETS
NetCom Learning offers a comprehensive portfolio for Networking
» Implementing And Administering Cisco Solutions (CCNA) V1.0 - Class Scheduled on Oct 18
» Cisco Enterprise Network Core Technologies (ENCOR) V1.1- Class Scheduled on Oct 18
» Secure Solutions With Virtual Private Networks (SVPN) V1.0 - Class Scheduled on Nov 15
» Cisco Cybersecurity Operations Fundamentals (CBROPS) V1.0
» Developing Applications And Automating Workflows Using Cisco Platforms (DEVASC) V1.0
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You can also access the below Marketing Assets
» Free 1hr Training - Managing Cisco Secure Workload to Protect your Cloud-Native Applications
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 AWS Discovery Day - An official introduction to the core concepts of cloud and AWS
 Learn the 5 Pillars of CompTIA Advanced Security Practitioner+ (CASP+) and Master
the New CASP Exam
 Getting started with Microsoft Azure Data Fundamentals in 30 Minutes
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