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300-370 · Question #158
300-370 Question #158: Real Exam Question with Answer & Explanation
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Troubleshooting Wireless Infrastructure
Question
An engineer is troubleshooting Layer 2 issues and discovers intermittent reachability to devices in same VLAN. Which two causes are common of this issue? (Choose two.)
Options
- AA duplex mismatch has been detected.
- BThe MAC address is flapping.
- CA unidirectional link is present.
- DThe root bridge has been changed.
- EThe duplex mode is not configured.
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Topics
#Layer 2 troubleshooting#MAC flapping#unidirectional link#network connectivity