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Question 6 - N10-008 discussion

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A network is experiencing a number of CRC errors during normal network communication. At which of the following layers of the OSI model will the administrator MOST likely start to troubleshoot?

A.
Layer 1
Answers
A.
Layer 1
B.
Layer 2
Answers
B.
Layer 2
C.
Layer 3
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C.
Layer 3
D.
Layer 4
Answers
D.
Layer 4
E.
Layer 5
Answers
E.
Layer 5
F.
Layer 6
Answers
F.
Layer 6
G.
Layer 7
Answers
G.
Layer 7
Suggested answer: A

Explanation:

CRC errors are cyclic redundancy check errors that occur when data is corrupted during transmission. CRC errors are usually caused by physical layer issues such as faulty cables, connectors, ports, or interference. The network administrator will most likely start to troubleshoot at layer 1 of the OSI model, which is the physical layer that deals with the transmission of bits over a medium. Reference:

CompTIA Network+ Certification Exam Objectives Version 2.0 (Exam Number: N10-006), Domain 4.0 Network Troubleshooting and Tools, Objective 4.1 Given a scenario, implement network troubleshooting methodology.

asked 02/10/2024
Vusani Nedzungani
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