Chapter review

Test your knowledge of the information in this chapter by answering these questions. The answers to these questions, and the explanations of why each answer choice is correct or incorrect, are located in the Answers section at the end of this chapter.

  1. Which of the following devices does NOT operate at Layer 2, the Data Link layer?

    1. Hub

    2. Switch

    3. Wireless access point

    4. Bridge

  2. Which organization developed and publishes the OSI Model?

    1. IEEE

    2. ISO

    3. IANA

    4. IETF

  3. Which of the following protocols operates at Layer 4, the Transport layer, and provides best-effort, connectionless delivery of segments?

    1. ARP

    2. IGMP

    3. TCP

    4. UDP

  4. Data and header information being processed at Layer 3, the Network layer of the OSI Model, is called which of the following?

    1. Packet

    2. Data stream

    3. Frame

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