N10-005 Question #740: Real Exam Question with Answer & Explanation

The correct answer is A: Interference. A point-to-point wireless link that drops for hours at a time - but then recovers - points to an intermittent, external cause rather than a permanent misconfiguration. Interference is the most common culprit: sources include weather conditions (rain fade on high-frequency links),

Question

A stateful point to point wireless connection going down for a few hours at a time is MOST likely due to which of the following?

Options

AInterference
BConfiguration
CIncorrect MTU size
DIncorrect IP

Explanation

A point-to-point wireless link that drops for hours at a time - but then recovers - points to an intermittent, external cause rather than a permanent misconfiguration. Interference is the most common culprit: sources include weather conditions (rain fade on high-frequency links), nearby competing RF sources, physical obstructions that shift (e.g., vegetation in wind), or other wireless systems operating on the same channel. Configuration errors (option B) and incorrect MTU or IP settings (options C and D) would typically cause consistent, persistent failures rather than hours-long outages that resolve on their own.

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