Cisco CCNA Service Provider Question of the Week

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CCNASPofw01At what layer does IP protocol run at in the legacy TCP/IP model?

    1. Transport
    2. Network
    3. Internet
    4. Session
    5. Application

The correct answer is 3.

The older TCP/IP model has 4 layers, network access, internet, transport and application. Internet layer is equivalent to the OSI model network layer.

Related Courses:
SPNGN1 — Building Cisco Service Provider Next-Generation Networks, Part 1
SPNGN2 — Building Cisco Service Provider Next-Generation Networks, Part 2

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