CCENT: OSI Model


Overview/Description
Expected Duration
Lesson Objectives
Course Number
Expertise Level



Overview/Description

The Open System Interconnection (OSI) model divides network communication into seven layers. Explore the seven layers of the OSI model, as you prepare for the 100-105: Interconnecting Cisco Networking Devices Part 1 certification exam.



Expected Duration (hours)
1.4

Lesson Objectives

CCENT: OSI Model

  • compare open standard models to proprietary models
  • compare the OSI model with the TCP/IP Internet model
  • describe the OSI model
  • describe the purpose of layer 4 and layer 3 of the OSI model
  • identify the lower layers of the OSI model
  • choose the PDU that matches the appropriate layer of the OSI model
  • define the purpose of layer 2 of the OSI model
  • identify protocols that run as layer 3 of the OSI model
  • list the devices that read the layer 4 header
  • recall the functionality of layer 4 of the OSI model
  • describe encapsulation and decapsulation
  • describe the function of the layer 3 destination address
  • identify the benefits of a modular approach to the OSI model
  • identify the purpose of the layer 2 frame
  • Course Number:
    it_ccenttv_02_03_enus

    Expertise Level
    Beginner