What are two reasons for physical layer protocols to use frame encoding techniques? (choose two.)

1.What are two reasons for physical layer protocols to use frame encoding techniques?(Choose two.)

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1What are two reasons forphysical layerprotocols to use frame encoding techniques?(Choose two.)

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2Which statement is correct aboutmultimode fiber?

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3Which layer of the OSI model is responsible for specifying the encapsulation methodused for specific types of media?

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4The throughput of a FastEthernetnetworkis 80 Mb/s. The traffic overhead forestablishing sessions, acknowledgments, and encapsulation is 15 Mb/s for the sametime period. What is the goodput for this network?

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55 Mb/s65 Mb/s*95 Mb/s80 Mb/s5ANETWORK ADMINISTRATORnotices that some newly installed Ethernet cablingis carrying corrupt and distorted data signals. The new cabling was installed in theceiling close to fluorescent lights and electrical equipment. Which two factors mayinterfere with the copper cabling and result in signal distortion and data corruption?(Choose two.)RFI *signal attenuationcrosstalkEMI *extended length of cabling

7What is the purpose of the FCS field in a frame?

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As data travels on the media in a stream of 1s and 0s how does a receiving nodeidentify the beginning and end of a frame?

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9Which statement describes signaling at the physical layer?

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  • to reduce the number of collisions on the media
  • to distinguish data from control information
  • to provide better media error correction
  • to identify where the frame starts and ends
  • to increase the media throughput
    Explanation:
    An encoding technique converts a stream of data bits in a predefined code that can be recognized by both the transmitter and the receiver. Using predefined patterns helps to differentiate data bits from control bits and provide better media error detection.

Question:
What are two reasons for physical11 layer protocols to use frame encoding techniques? (Choose two.)

  • to reduce the number of collisions on the media
  • to distinguish data bits from control bits
  • to provide better media error correction
  • to identify where the frame starts and ends
  • to increase the media throughput
  • to distinguish data from control information

Explanation: An encoding technique converts a stream of data bits in a predefined code that can be recognized by both the transmitter and the receiver. Using predefined patterns helps to differentiate data bits from control bits and provide better media error detection.

More Questions: CCNA 1 Chapter 4 Exam Answers

True answer:to distinguish data bits from control bits

to identify where the frame starts and ends

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