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  1. Junior Member
    Join Date
    Jan 2013
    Location
    NJ, USA
    Posts
    21

    Certifications
    CompTIA A+, Net+, CCENT
    #1

    Default Most recent TCP/IP model?

    The changes over the years and using various different courses of study has left me what should be a simple question:

    What is the most current (likely to be tested on or referenced in 100-105) version of the TCP/IP model?

    According to Chris Bryant its duplicate to the OSI model with the exception of combining layers 5-7 into just the "application" layer, but i have seen numerous other variations in other via different study material. All similar, but some may call layer 3 the "internet" layer, or some say layer 2 is split into two layers, some use host-to-host layer, etc.

    I just want to know what is considered correct as of 100-105 in 2017.

    Thanks in advance for any insight!
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  3. Senior Member
    Join Date
    Sep 2012
    Location
    Puerto Rico
    Posts
    428

    Certifications
    VCP5-DCV, VCA6-DCV
    #2
    Check this documentation right from Cisco.

    Although it may mention host-to-host for the transport layer, be prepared for it to show up as the transport layer as well.

    TCP/IP Overview - Cisco
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  4. Senior Member
    Join Date
    May 2006
    Posts
    1,863

    Certifications
    CISSP, CCSP, eJPT, ITIL,PA ACE,Qualys Certified Specialist, A+
    #3
    I think you are getting confused with the OSI model vs TCP/IP protocol stack.

    Check this link to understand the difference OSI and TCP/IP Model.

    For the purpose of the exam, you need to know both.
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