HPE6-A78 Free Exam Questions & Answers (Updated 2026)

Question No 1

What is a vulnerability of an unauthenticated Dime - Heliman exchange?

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A hacker can replace the public values exchanged by the legitimate peers and launch an MITM attack.

A brute force attack can relatively quickly derive Diffie - Hellman private values if they are able to obtain public values

Diffie - Hellman with elliptic curve values is no longer considered secure in modem networks, based on NIST recommendations.

Participants must agree on a passphrase in advance, which can limit the usefulness of Diffie - Hell man in practical contexts.

Question No 2

What is a difference between radius and TACACS+?

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RADIUS combines the authentication and authorization process while TACACS+ separates them.

RADIUS uses TCP for Its connection protocol, while TACACS+ uses UDP tor its connection protocol.

RADIUS encrypts the complete packet, white TACACS+ only offers partial encryption.

RADIUS uses Attribute Value Pairs (AVPs) in its messages, while TACACS+ does not use them.

Question No 3

A company has an Aruba solution with a Mobility Master (MM) Mobility Controllers (MCs) and campus Aps. What is one benefit of adding Aruba Airwave from the perspective of forensics?

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Airwave can provide more advanced authentication and access control services for the AmbaOS solution

Airwave retains information about the network for much longer periods than ArubaOS solution

Airwave is required to activate Wireless Intrusion Prevention (WIP) services on the ArubaOS solution

AirWave enables low level debugging on the devices across the ArubaOS solution Answer: C Explanation:

Question No 4

What role does the Aruba ClearPass Device Insight Analyzer play in the Device Insight architecture?

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It resides in the cloud and manages licensing and configuration for Collectors

It resides on - prem and provides the span port to which traffic is mirrored for deep analytics.

It resides on - prem and is responsible for running active SNMP and Nmap scans

It resides In the cloud and applies machine learning and supervised crowdsourcing to metadata sent by Collectors

Question No 5

What is a correct guideline for the management protocols that you should use on ArubaOS - Switches?

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