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  3. HPE7-A01 Exam
  4. HP.HPE7-A01.v2025-07-22.q100 Dumps
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Question 81

Which Aruba AP mode is sending captured RF data to Aruba Central for waterfall plot?

Correct Answer: C
Spectrum Monitor is an Aruba AP mode that is sending captured RF data to Aruba Central for waterfall plot.
Spectrum Monitor is a mode that allows an AP to scan all channels in both 2.4 GHz and 5 GHz bands and collect information about the RF environment, such as interference sources, noise floor, channel utilization, etc. The AP then sends this data to Aruba Central, which is a cloud- based network management platform that can display the data in various formats, including waterfall plot. Waterfall plot is a graphical representation of the RF spectrum over time, showing the frequency, amplitude, and duration of RF signals. The other options are incorrect because they are either not AP modes or not sending RF data to Aruba Central.
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Question 82

With the Aruba CX switch configuration, what is the first-hop protocol feature that is used for VSX L3 gateway as per Aruba recommendation?

Correct Answer: A
Active Gateway is the first-hop protocol feature that is used for VSX L3 gateway as per Aruba recommendation. Active Gateway is a feature that allows both VSX peers to act as active gateways for different subnets, eliminating the need for VRRP or other first-hop redundancy protocols. Active Gateway also provides fast failover and load balancing for L3 traffic across the VSX peers. The other options are incorrect because they are either not recommended or not supported by Aruba CX VSX.
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Question 83

Which feature supported by SNMPv3 provides an advantage over SNMPv2c?

Correct Answer: D
Encryption is a feature supported by SNMPv3 that provides an advantage over SNMPv2c. Encryption protects the confidentiality and integrity of SNMP messages by encrypting them with a secret key.
SNMPv2c does not support encryption and relies on community strings for authentication and authorization, which are transmitted in clear text and can be easily intercepted or spoofed. Transport mapping, community strings, and GetBulk are features that are common to both SNMPv2c and SNMPv3.
References:
https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos- solutions/snmp/snmp.htm
https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos- solutions/snmp/snmpv3.htm
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Question 84

You are configuring an SVI on an Aruba CX switch that needs to have the following characteristics:
* VLANID = 25
* IPv4 address 10 105 43 1 with mask 255.255.255.0
* IPv6 address fd00:5708::f02d:4df6 with a 64 bit prefix length
* member of VRF eng
* VRF eng and VLAN 25 have not yet been created
Which command lists will satisfy the requirements with the least number of commands?

Correct Answer: C
This is the correct command list that will satisfy the requirements with the least number of commands. Option C contains four commands that will create VLAN 25, assign it to VRF eng, create an SVI for VLAN 25 with IPv4 and IPv6 addresses, and enable the SVI. The other options are incorrect because they either contain more commands than necessary or do not meet all the requirements.
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Question 85

You are are doing tests in your lab and with the following equipment specifications:
* AP1 has a radio that generates a 16 dBm signal.
* AP2 has a radio that generates a 13 dBm signal.
* AP1 has an antenna with a gain of 8 dBi.
* AP2 has an antenna with a gain of 12 dBi. The antenna cable for AP1 has a 4 dB loss. The antenna cable for AP2 has a 3 dB loss.
What would be the calculated Equivalent Isotropic Radiated Power (EIRP) for AP1?

Correct Answer: B
The Equivalent Isotropic Radiated Power (EIRP) is the measured radiated power of an antenna in a specific direction. It is also called Equivalent Isotropic Radiated Power. It is the output power when a signal is concentrated into a smaller area by the Antenna. The EIRP can take into accountthe losses in transmission line, connectors and includes the gain of the antenna.It is represented in dB2. The formula for EIRP is:
EIRP=PTLc+Ga
where PT is the output power of the transmitter in dBm, Lc is the cable and connector loss in dB, and Ga is the antenna gain in dBi.
For AP1, the EIRP can be calculated as:
EIRP=164+8=20 dBm
Therefore, the answer B is correct.
References:1: Aruba Campus Access documents and learning resources2: EIRP Calculator - Effective Isotropic Radiated Power
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