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CCNA 1 v7 Modules 4 7 Ethernet Concepts Exam

Respuestas del examen CCNA 1 v7 Módulos 4-7 sobre conceptos Ethernet. Prepárate con preguntas reales, explicaciones claras y tips para aprobar con éxito tu evaluación.

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All about ciscoCCNA1v7 Modules 4 - 7 : Ethernet Concepts Exam AnswersHowtofind:Press "Ctrl + F" in the browser and filI in whatever wording is in the question to findthat question/answer. If the question is not here, find it in Questions Bank.NOTEIf you have the new question on this test, please comment Question and Multiple-Choice listin form below this article. We will update answers for you in the shortest time. Thank you! We trulyvalue your contribution to the website.Introduction to Networks (Version 7.00) - Modules 4 - 7: EthernetConcepts Exam1. What is the purpose of the OSI physical layer?•controlling access to media•transmitting bits across the local media•performing error detection on received frames•exchanging frames between nodes over physical network media2. Why are two strands of fiber used for a single fiber optic connection?•The two strands allow the data to travel for longer distances without degrading.•They prevent crosstalk from causing interference on the connection.■They increase the speed at which the data can travel.•They allow for full-duplex connectivity.3. Whichcharacteristic describes crosstalk?•the distortion of the network signal from fluorescent lighting•the distortion of the transmitted messages from signals carried in adjacent wires•the weakening ofthenetwork signal over long cable lengths•the loss of wireless signal over excessive distance from the access point4. Which procedure is used to reduce the effect of crosstalk in copper cables?■requiring proper grounding connections•twisting opposing circuit wire pairs together■wrapping the bundle of wires with metallic shielding•designing a cable infrastructure to avoid crosstalk interference’avoiding sharp bends during installation5. Match the situation with the appropriate use of network media.

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Cisco Certified Network Associate

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