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HP HPE6-A85 (Aruba Campus Access Associate) Certification Exam is an important certification for IT professionals who want to demonstrate their expertise in Aruba wireless networking. Aruba Certified Campus Access Associate Exam certification exam covers a wide range of topics related to Aruba wireless networking and is designed to test the skills and knowledge of IT professionals in this area. Passing HPE6-A85 exam is an excellent way for IT professionals to advance their careers and gain recognition within the industry.
HPE6-A85 certification exam is part of the Aruba Certified Mobility Associate (ACMA) certification track. The ACMA certification is the first step towards achieving the Aruba Certified Mobility Professional (ACMP) and Aruba Certified Mobility Expert (ACMX) certifications. The ACMA certification validates your skills in implementing and managing Aruba wireless LANs and is highly valued in the industry.
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NEW QUESTION # 99
What are the main characteristics of the 6 GHz band?
Answer: D
Explanation:
The main characteristic of the 6 GHz band that is true among the given options is that in North America, the 6 GHz band offers more 80 MHz channels than there are 40 MHz channels in the 5 GHz band. This characteristic provides more spectrum availability, less interference, and higher throughput for wireless devices that support Wi-Fi 6E Wi-Fi Enhanced (Wi-Fi 6E) is an extension of Wi-Fi 6 (802.11ax) standard that operates in the newly available unlicensed frequency spectrum around 6 GHz in addition to existing bands below it.
Some facts about this characteristic are:
- In North America, there are up to seven non-overlapping channels available in each of three channel widths (20 MHz, 40 MHz, and 80 MHz) in the entire unlicensed portion of the new spectrum (5925-7125 MHz). This means there are up to 21 non-overlapping channels available for Wi-Fi devices in total.
- In comparison, in North America, there are only nine non-overlapping channels available in each of two channel widths (20 MHz and 40 MHz) in the entire unlicensed portion of the existing spectrum below it (2400-2483 MHz and 5150-5825 MHz). This means there are only up to nine non-overlapping channels available for Wi-Fi devices in total.
- Therefore, in North America, there are more than twice as many non-overlapping channels available in each channel width in the new spectrum than in the existing spectrum below it.
- Specifically, there are more than twice as many non-overlapping channels available at 80 MHz width (seven) than at 40 MHz width (three) in the existing spectrum below it.
The other options are not true because:
- Less RF signal is absorbed by objects in a 6 GHz WLAN: This option is false because higher frequency signals tend to be more absorbed by objects than lower frequency signals due to higher attenuation Attenuation is a general term that refers to any reduction in signal strength during transmission over distance or through an object or medium. Therefore, RF signals in a 6 GHz WLAN would be more absorbed by objects than RF signals in a lower frequency WLAN.
- The 6 GHz band is fully backward compatible with existing bands: This option is false because Wi-Fi devices need to support Wi-Fi 6E standard to operate in the new spectrum around 6 GHz. Existing Wi-Fi devices that do not support Wi-Fi 6Estandard cannot use this spectrum and can only operate in existing bands below it.
- Low Power Devices are allowed for indoor and outdoor usage: This option is false because Low Power Indoor Devices (LPI) are only allowed for indoor usage under certain power limits and registration requirements. Outdoor usage of LPI devices is prohibited by regulatory authorities such as FCC Federal Communications Commission (FCC) is an independent agency of United States government that regulates communications by radio, television, wire, satellite, and cable across United States. However, outdoor usage of Very Low Power Devices (VLP) may be allowed under certain power limits and without registration requirements.
References:
https://www.wi-fi.org/discover-wi-fi/wi-fi-certified-6e
https://www.wi-fi.org/file/wi-fi-alliance-spectrum-needs-study
https://www.cisco.com/c/en/us/products/collateral/wireless/spectrum-expert-wi- fi/prod_white_paper0900aecd80
https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/82068-power-levels.html
https://www.wi-fi.org/file/wi-fi-alliance-unlicensed-spectrum-in-the-us
NEW QUESTION # 100
Which of the following statements are true regarding the configuration of Aruba Access Points?
(Select two)
Answer: B,D
NEW QUESTION # 101
Which Protocol Data Unit (PDU) represents the data link layer PDU?
Answer: A
Explanation:
A frame is the data link layer PDU that encapsulates the network layer PDU (packet) with a header and a trailer that contain information such as source and destination MAC addresses, frame type, error detection, etc. A frame is transmitted over a physical medium such asEthernet, Wi-Fi, etc.
NEW QUESTION # 102
What are two advantages of a UXl? (Select two.)
Answer: A,E
NEW QUESTION # 103
Which statement is correct when comparing 5 GHz and 6 GHz channels with identical channel widths?
Answer: B
Explanation:
While both 5 GHz and 6 GHz channels can provide similar throughputs, the higher frequency of the 6 GHz band means its signals have a shorter range and are more attenuated by obstaclescompared to 5 GHz signals.
This results in 5 GHz channels generally being able to travel longer distances than 6 GHz channels under similar conditions, although both can support high data rates for connected clients.
NEW QUESTION # 104
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