Prepare Smarter for the HPE6-A85 Exam
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What is the ideal mounting position for a typical Aruba indoor AP?
Correct Answer: A
The ideal mounting position for a typical Aruba indoor AP is horizontally, below a suspended ceiling. This positioning takes advantage of the
AP's antenna radiation pattern and helps provide optimal wireless coverage and performance within the
indoor environment.
When measuring signal strength, dBm is commonly used and 0 dBm corresponds to 1 mW power.
What does -20 dBm correspond to?
Correct Answer: B
dBm is a unit of power that measures the ratio of a given power level to 1 mW. The formula to convert dBm to mW is: P(mW) = 1mW * 10^(P(dBm)/10).
Therefore, -20 dBm corresponds to 0.01 mW, as follows: P(mW) = 1mW * 10^(-20/10) = 0.01 mW References:
https://www.rapidtables.com/convert/power/dBm_to_mW.html
The dBm is a logarithmic unit of power relative to 1 milliwatt (mW). -20 dBm means that the signal strength is 20 decibels lower than 1 mW. In terms of mW, this is 0.01 mW.
Each 10 dB decrease represents a tenfold decrease in power. Therefore, -20 dBm is 10−2 10 −2 or 0.01 mW.
You are in a meeting with a customer where you are asked to explain the network redundancy feature Multiple
Spanning Tree (MSTP). What is the correct statement for this feature?
Correct Answer: B
MSTP Multiple Spanning Tree Protocol. MSTP is an IEEE standard protocol for preventing loops in a network with multiple VLANs. MSTP allows multiple VLANs to be mapped to a reduced number of spanning-tree instances. configuration ID consists of two parameters: name and revision. The name is a 32-byte ASCII string that identifies the MSTP region, which is a group of switches that share the same configuration ID and VLAN-to-instance mapping. The revision is a 16-bit number that indicates the version of the configuration ID. By default, the MSTP configuration ID name is set to the switch IMC address, which is a unique identifier derived from the MAC address Media Access Control address. MAC address is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. of the switch. References: https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos-solutions/mstp/mstp.htm
An AP signal strength of .0000001 milliwatts equals how many dBm?
Correct Answer: D
An AP signal strength of .0000001 milliwatts is equivalent to -80 dBm. The dBm scale is logarithmic, with every 10 dBm representing a tenfold increase or decrease in power.
A signal strength of 1 milliwatt (mW) is 0 dBm, so a signal strength of .0000001 mW is 80 decibels less than 1 mW, which is -80 dBm.
How does a single Aruba CX 6300M switch configuration use L3 connectivity to establish routing traffic between
switch virtual interfaces 120 and 130?
Correct Answer: A
On an Aruba CX 6300M switch, routing between Switch Virtual Interfaces (SVIs) is enabled by default. Therefore, traffic between SVIs, like 120 and 130, can be routed
internally without the need for additional configuration such as route leaking or static routes, as long as there is no 'no routing'
configuration present on the SVIs.