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Question 589 - N10-008 discussion

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A network technician is investigating a trouble ticket for a user who does not have network connectivity. All patch cables between the wall jacks and computers in the building were upgraded over the weekend from Cat 5 to Cat 6. The newly installed cable is crimped With a TIA/EIA 568A on one end and a TIA/EIA 568B on the other end. Which of the following should the technician do to most likely fix the issue?

A.
Ensure the switchport has POE enabled.
Answers
A.
Ensure the switchport has POE enabled.
B.
Crimp the cable as a straight-through cable.
Answers
B.
Crimp the cable as a straight-through cable.
C.
Ensure the switchport has STP enabled.
Answers
C.
Ensure the switchport has STP enabled.
D.
Crimp the cable as a rollover cable.
Answers
D.
Crimp the cable as a rollover cable.
Suggested answer: B

Explanation:

Crimping the cable as a straight-through cable is the most likely fix for the issue where users are unable to access any network resources after upgrading from Cat 5 to Cat 6 cables. Crimping is a process of attaching connectors to the ends of cables using a tool called a crimper. A straight-through cable is a type of twisted-pair cable that has the same wiring scheme on both ends, meaning that each pin on one end is connected to the same pin on the other end. A straight-through cable is used to connect devices that operate on different layers of the OSI model, such as a computer and a switch, or a switch and a router. If the newly installed cable is crimped with TIA/EIA 568A on one end and TIA/EIA 568B on the other end, it becomes a crossover cable. A crossover cable is a type of twisted-pair cable that has opposite wiring schemes on both ends, meaning that each pin on one end is connected to a different pin on the other end. A crossover cable is used to connect devices that operate on the same layer of the OSI model, such as two computers or two switches. Using a crossover cable instead of a straight-through cable can cause network communication errors or failures. Reference: [CompTIA Network+ Certification Exam Objectives], Straight Through vs Crossover Cable: What's The Difference?

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asked 02/10/2024
Wanicha Inburan
37 questions
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