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CCNA Self-Study: Network Media (The Physical Layer)

Chapter Description

To determine what transmission media is right for particular networking enviornment you must consider organization's required throughput, cabling distance, noise resistance, security, flexibility and plans for growth.In this article Steve McQuerry highlights the concepts and procedures for assembling and cabling Cisco routers.

Cabling and Infrastructure Section Quiz

Use these practice questions to review what you learned in this section.

  1. What is the maximum cable length for STP?

    1. 100 ft

    2. 150 ft

    3. 100 m

    4. 1000 m

  2. What is an advantage that coaxial cable has over STP or UTP?

    1. It is capable of achieving 10 to 100 Mbps.

    2. It is inexpensive.

    3. It can run for a longer distance unboosted.

    4. All of the above.

  3. A ________ fiber-optic cable transmits multiple streams of LED-generated light.

    1. Multimode

    2. Multichannel

    3. Multiphase

  4. Wireless communication uses which of the following to transmit data between devices on a LAN?

    1. Radio frequencies

    2. LED-generated light

    3. Fiber optics

    4. None of the above

  5. What is one advantage of using fiber-optic cable in networks?

    1. It is inexpensive.

    2. It is easy to install.

    3. It is an industry standard and is available at any electronics store.

    4. It is capable of higher data rates than either coaxial or twisted-pair cable.

3. Choosing LAN Cabling Options | Next Section Previous Section