< All CompTIA Network+ Notes

MendChrist | CompTIA Network+ | Module 2.1

By: Raul Pop | Related Course: CompTIA Network+ | Published: September 12, 2017 | Modified: September 12, 2017
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NotepadManaged vs Unmanaged and Interface

1) Managed

-additional control of data flow/configurations

-web interface/special cable


2) Unmanaged

-Plug and Play

-No additional functionality

-Managed switch may have a button


3) Interface Configuration

-Full Duplex-Both Directions

-Half Duplex-One at a time

-Port Speeds-10/100/1000 MBs

-IP Addressing(DHCP/STATIC)


NotepadNAT vs PAT Part 1

1) NAT-Network Address Transition

-Translate Private Address <=> Public

-Allow external users to Access internal

-Static NAT-One private => One public

-Dynamic NAT-maps addresses from pool

-Overloading NAT-Port Address Transition

NotepadNAT vs PAT Part 2

When we are talking about network address translation we have four different IP address types that we use

a) Inside Local-Private IP local device

b) Inside Global-Public IP local device

c) Outside local-Private IP remote

d) Outside Global-Public IP remote


PAT-Port Address Translation

-AKA overloading NAT

-Translate based on IP & Port

-Computers send packets

-Router makes IP specific

NotepadRouting Tables

Routing Tables

-Access Router through Admin/Serial

-Dynamic Routing Tables

User opposite protocol for situation



-Static Routing Table

Set particular coutes

Can set ”Default Static Route”

-Remember STP

NotepadVLAN AND VTP Configuration

a) Virtual Local Area Network

-Separates network into multiple

-Require use of managed switches

Port based

MAC address based

Subnet based


b) VTP configuration

-VLAN trunking protocol

-Cisco Technology

-Propagation of VLAN Info

-Setup switcher

-VTP Domain

-VTP Protocol

-VTP Password

< All CompTIA Network+ Notes
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