220-801 Question #130: Real Exam Question with Answer & Explanation

The correct answer is A: 802.11x. 802.11x (Wi-Fi/wireless networking) is the correct choice for this scenario. Wi-Fi can easily cover 200 feet and penetrate one or two interior drywall walls. USB has a maximum practical cable length of about 16 feet. Infrared (IR) requires line-of-sight and cannot pass through wa

Question

A technician has been asked to share a laser printer amongst the users in an HR workgroup. The printer will need to be accessed from distances up to 200 feet through no more than one to two, hollow, dry board walls. Which of the following methods should be used?

Options

A802.11x
BPAN
CUSB
DInfrared (IR)

Explanation

802.11x (Wi-Fi/wireless networking) is the correct choice for this scenario. Wi-Fi can easily cover 200 feet and penetrate one or two interior drywall walls. USB has a maximum practical cable length of about 16 feet. Infrared (IR) requires line-of-sight and cannot pass through walls. Bluetooth (PAN) typically has a usable range of only 30 feet (Class 2) and can struggle through multiple walls. Only 802.11x wireless networking reliably meets the 200-foot, through-wall requirement.

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