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Physical Network Segmentation

Info

  • Level: Beginner
  • Presenter: Eli the Computer Guy
  • Date Created: July 8, 2010
  • Length of Class: 35 Minutes

Tracks

Prerequisites

Purpose of Class

  • This class discusses how networks are physically designed.

Topics Covered

  • Demarc Points
  • MDF and IDF
  • DMZ

Class Notes

  1. Demarc Points are where responsibility for the network transfers from one party to another
    1. You can test at the Demarc to check determine who is responsible for network issues
    2. Property Managers/ Owners many times do not maintain the network components that they are responsible for
  2. MDF and IDF
    1. MDF – Main Distribution Facility – is the main hub for all network and telephone connections for a business location
    2. IDF – Intermediate Distribution Facility – For large locations IDF’s are used to minimize the length of network runs
  3. DMZ
    1. DMZ – DeMilitarized Zones – are used to provide areas of the network that are less secure then others.

Resources



Eli the Computer Guy (437 Posts)

Eli the Computer Guy has 16 years experience in technology being the guy to fix "it". From the Army, to building out new satellite offices for the enterprise, to running his own shop with 9 full time employees Eli has real world experience with almost all systems that technicians will be working with. Eli has 1600 hours of formal technical beyond his Bachelors Degree in Criminal Justice on technologies ranging from Avaya PBX/ Audix to Microsoft, Red Hat Linux, MySQL, Cisco and much more.


  • david symon

    cheers mate! you should chuck in the repair business and teach.
    You explain in real terms and easily understood. I`m having a beer for, and on behalf of you!

    CHEERS

  • david symon

    hello geezer, whats happened to the podcasts ???

  • Suresh

    Awesome job mate… Hats off for your dedication towards teaching…
    Cheers

  • eranga randika

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  • Francisco Guevara

    Awesome job man. I have learned a lot and I am actually watching just about all of your videos. Thanks. Keep up the xcellent work.

    FG
    New York City

  • rajeshwar

    fabulous…..that’s all hmmmm i can say…..

  • siva

    Why would anybody build a DMZ..that is a less secure area?Can you explain it if its implemented in real time..

  • M_CA

    Here is a real example I am actually facing right now.

    So we have two build servers where we build our GUIs kits for our customers. They do not connect to the internet. On them, we have 3rd party software that can not be updated since each customer uses a different version. These two servers are a part of our secure network. What happened is that our company needs to push security updates on our servers which means that these two servers will be updated as well which will mess up our build process because the versions will change. What we plan on doing is to create a DMZ for these two servers where the update can only happen on the rest of the network and NOT on these two servers, since they do not connect to the internet and are only used locally.

    I hope that this help.



















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