You detect a coverage hole in some part of the network. After troubleshooting, you find out that the Cisco 3702i AP is not using all of its transmission power, and hence is not using the 4x4 spatial stream. Which cause of the problem is true?

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D. The PoE source is not injecting the adequate quantity of power. High-performance access points like the Cisco 3702i require specific PoE power levels (e.g., PoE+ or UPOE) to enable full functionality, including maximum transmission power and all available 4x4 spatial streams. If the Power over Ethernet (PoE) source provides inadequate power, the AP will enter a degraded mode, reducing its capabilities to conserve energy.

Answer

A. The upstream switch is not PoE-capable. If the upstream switch were not PoE-capable, the AP would not power on at all, which contradicts the AP being operational but underpowered.

Answer

B. The AP antennas have been damaged. Damaged AP antennas would primarily degrade signal quality and range rather than directly cause the AP to limit its transmission power or 4x4 spatial streams due to power budget.

Answer

C. The AP is not 4x4-capable. The Cisco 3702i AP is explicitly a 4x4:3 MIMO access point and is indeed 4x4-capable, making this statement factually incorrect.

You detect a coverage hole in some part of the network. After troubleshooting, you find out that the Cisco 3702i AP is not using all of its transmission power, and hence is not using the 4x4 spatial…

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