[&] Which of the following accurately describes the differences between 802.3af, 802.3at and Cisco UPoE? (Select the best answer) - All of these answers are correct - None of these answers are correct - IEEE 802.3af utilizes 8 wires within twisted-pair cabling to deliver power. - Cisco UPoE utilizes 8 wires within twisted-pair cabling to deliver power. -- Correct - IEEE 802.3at utilizes 6 wires within twisted-pair cabling to deliver power. [&] Using PoE terminology, which of the following acronyms would be appropriate to describe a LAN Switch that supplies power to several IP Phones? (Select the best answer) - The LAN Switch is an example of PE - The LAN Switch is an example of a PD - The LAN Switch is an example of a PSD - The LAN Switch is an example of PSE -- Correct [&] With regards to IEEE standards governing PoE, which type of PD requires the greatest amount of power to function? (Select the best answer) - Type-3 device - Type-4 device -- Correct - Type-2 device - Type-1 device - Type-5 device - Type-4b device [&] At present, which types of devices are NOT typically powered using PoE? (Select the best answer) - Laptops -- Correct - IP Phones - Wireless Video Cameras - Wireless Access Points [&] Which of the following are true with regards to PoE detection? (Select the best answer) - PSEs will output a small amount of voltage to detect if there is any corresponding resistance from potential PDs. -- Correct - PDs will output a small amount of voltage to detect if there is any corresponding resistance from potential PSEs. - PSEs will, upon initial connection, loopback wires two(2) and four(4) to the PD. - PDs will, upon initial connection, loopback wires two(2) and three(3) to the PSE.