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HPE6-A78 Exam Questions
- HP Aruba Certifications
- HP Aruba Certified Network Security Associate ACNSA Certifications
- Topic 1: Protect and Defend: This section of the exam measures the skills of a Network Security Engineer and covers foundational and advanced concepts related to securing a network environment. Candidates are expected to understand common security threats such as man-in-the-middle attacks, DDoS, spoofing, and zero-day vulnerabilities, as well as distinguish between threats and vulnerabilities. It evaluates knowledge of security protocols, PKI components, and firewall mechanisms like PEF and AppRF. It also explores user roles, policy enforcement, and secure management protocols such as SSH and HTTPS.
- Topic 2: Analyze: This section of the exam evaluates the capabilities of a Cybersecurity Analyst and focuses on analyzing network activity and security alerts to identify potential threats. The candidate must demonstrate an understanding of wireless intrusion prevention and detection systems (WIPS/WIDS), interpreting alarms, and recognizing attack stages through the kill chain model. Skills in collecting system logs, reviewing access tracker information, and examining historical network pattern data are essential. The ability to identify and evaluate endpoints discovered on the network is also included in this analytical domain.
- Topic 3: Investigate: This section of the exam assesses the investigative abilities of a Cybersecurity Analyst and centers around proper methods for conducting investigations after a security incident. Candidates are required to know how to collect logs for evidence, understand the principles of maintaining a chain of custody, and initiate an investigation using structured procedures. This domain emphasizes the importance of data integrity, documentation, and analysis during the post-incident process to ensure accurate and reliable outcomes.
Free HP HPE6-A78 Exam Actual Questions
Note: Premium Questions for HPE6-A78 were last updated On Feb. 21, 2026 (see below)
What is one of the roles of the network access server (NAS) in the AAA framewonx?
In the AAA (Authentication, Authorization, and Accounting) framework, the role of the Network Access Server (NAS) is to act as a gateway that enforces access to network services and sends accounting information to the AAA server. The NAS initially requests authentication information from the user and then passes that information to the AAA server. It also enforces the access policies as provided by the AAA server after authentication and provides accounting data to the AAA server based on user activity.
:
Technical literature on AAA protocols which often includes a description of the roles and responsibilities of a Network Access Server.
Network security resources that discuss the NAS function within the AAA framework.
Refer to the exhibit, which shows the current network topology.
You are deploying a new wireless solution with an Aruba Mobility Master (MM). Aruba Mobility Controllers (MCs). and campus APs (CAPs). The solution will Include a WLAN that uses Tunnel for the forwarding mode and Implements WPA3-Enterprise security
What is a guideline for setting up the vlan for wireless devices connected to the WLAN?
When setting up VLANs for a wireless solution with an Aruba Mobility Master (MM), Aruba Mobility Controllers (MCs), and campus APs (CAPs), it is recommended to use wireless user roles to assign devices to different VLANs. This allows for greater flexibility and control over network resources and policies applied to different user groups. Wireless user roles can dynamically assign devices to the appropriate VLAN based on a variety of criteria such as user identity, device type, location, and the resources they need to access. This approach aligns with the ArubaOS features that leverage user roles for network access control, as detailed in Aruba's configuration and administration guides.
What is a benefit of Opportunistic Wireless Encryption (OWE)?
Opportunistic Wireless Encryption (OWE) is a WPA3 feature designed for open wireless networks, where no password or authentication is required to connect. OWE enhances security by providing encryption for devices that support it, without requiring a pre-shared key (PSK) or 802.1X authentication.
Option C, 'It allows anyone to connect, but provides better protection against eavesdropping than a traditional open network,' is correct. In a traditional open network (no encryption), all traffic is sent in plaintext, making it vulnerable to eavesdropping. OWE allows anyone to connect (as it's an open network), but it negotiates unique encryption keys for each client using a Diffie-Hellman key exchange. This ensures that client traffic is encrypted with AES (e.g., using AES-GCMP), protecting it from eavesdropping. OWE in transition mode also supports non-OWE devices, which connect without encryption, but OWE-capable devices benefit from the added security.
Option A, 'It allows both WPA2-capable and WPA3-capable clients to authenticate to the same WPA-Personal WLAN,' is incorrect. OWE is for open networks, not WPA-Personal (which uses a PSK). WPA2/WPA3 transition mode (not OWE) allows both WPA2 and WPA3 clients to connect to the same WPA-Personal WLAN.
Option B, 'It offers more control over who can connect to the wireless network when compared with WPA2-Personal,' is incorrect. OWE is an open network protocol, meaning it offers less control over who can connect compared to WPA2-Personal, which requires a PSK for access.
Option D, 'It provides protection for wireless clients against both honeypot APs and man-in-the-middle (MITM) attacks,' is incorrect. OWE provides encryption to prevent eavesdropping, but it does not protect against honeypot APs (rogue APs broadcasting the same SSID) or MITM attacks, as it lacks authentication mechanisms to verify the AP's identity. Protection against such attacks requires 802.1X authentication (e.g., WPA3-Enterprise) or other security measures.
The HPE Aruba Networking AOS-8 8.11 User Guide states:
'Opportunistic Wireless Encryption (OWE) is a WPA3 feature for open networks that allows anyone to connect without a password, but provides better protection against eavesdropping than a traditional open network. OWE uses a Diffie-Hellman key exchange to negotiate unique encryption keys for each client, ensuring that traffic is encrypted with AES-GCMP and protected from unauthorized interception.' (Page 290, OWE Overview Section)
Additionally, the HPE Aruba Networking Wireless Security Guide notes:
'OWE enhances security for open WLANs by providing encryption without requiring authentication. It allows any device to connect, but OWE-capable devices benefit from encrypted traffic, offering better protection against eavesdropping compared to a traditional open network where all traffic is sent in plaintext.' (Page 35, OWE Benefits Section)
:
HPE Aruba Networking AOS-8 8.11 User Guide, OWE Overview Section, Page 290.
HPE Aruba Networking Wireless Security Guide, OWE Benefits Section, Page 35.
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Refer to the exhibit.
You have set up a RADIUS server on an ArubaOS Mobility Controller (MC) when you created a WLAN named "MyEmployees .You now want to enable the MC to accept change of authorization (CoA) messages from this server for wireless sessions on this WLAN.
What Is a part of the setup on the MC?
To enable an ArubaOS Mobility Controller (MC) to accept Change of Authorization (CoA) messages from a RADIUS server for wireless sessions on a WLAN, part of the setup on the MC involves creating a dynamic authorization, or RFC 3576, server with the provided IP address (10.5.5.5) and the correct shared secret. This setup allows the MC to handle CoA requests, which are used to change the authorization attributes of a session after it has been authenticated, such as disconnecting a user or changing a user's VLAN assignment.
An MC has a WLAN that enforces WPA3-Enterprise with authentication to HPE Aruba Networking ClearPass Policy Manager (CPPM). The WLAN's default role is set to guest. A Mobility Controller (MC) has these roles configured on it:
authenticated
denyall
guest
general-access
guest-logon
logon
stateful-dot1x
switch-logon
voice
A client authenticates. CPPM returns an Access-Accept with an Aruba-User-Role VSA set to general_access. What role does the client receive?
In an AOS-8 Mobility Controller (MC) environment, a WLAN is configured with WPA3-Enterprise security, using HPE Aruba Networking ClearPass Policy Manager (CPPM) for authentication. The WLAN's default role is set to 'guest,' which would be applied if no specific role is assigned after authentication. The MC has several roles configured, including 'general-access' (note the underscore in the question : 'general
_access').
The client successfully authenticates, and CPPM sends an Access-Accept message with an Aruba-User-Role Vendor-Specific Attribute (VSA) set to 'general_access.' In AOS-8, the Aruba-User-Role VSA is used to assign a specific role to the client, overriding the default role configured on the WLAN. The role specified in the VSA must match a role that exists on the MC. Since 'general-access' (or 'general_access' as written in the question) is listed among the roles configured on the MC, the MC will apply this role to the client.
The underscore in 'general_access' in the VSA versus the hyphen in 'general-access' in the MC's role list is likely a typographical inconsistency in the question. In practice, AOS-8 role names are case-insensitive and typically use hyphens, not underscores, but for the purpose of this question, we assume 'general_access' matches 'general-access' as the intended role.
Option A, 'guest,' is incorrect because the guest role is the default 802.1X role for the WLAN, but it is overridden by the Aruba-User-Role VSA specifying 'general_access.'
Option B, 'logon,' is incorrect because the logon role is typically applied during the authentication process (e.g., to allow access to DNS or RADIUS servers), not after successful authentication when a specific role is assigned.
Option C, 'general-access,' is correct because the MC applies the role specified in the Aruba-User-Role VSA ('general_access'), which matches the 'general-access' role configured on the MC.
Option D, 'authenticated,' is incorrect because the 'authenticated' role is not specified in the VSA, and there is no indication that it is the default role for successful authentication in this scenario.
The HPE Aruba Networking AOS-8 8.11 User Guide states:
'When a client authenticates successfully via 802.1X, the Mobility Controller checks for an Aruba-User-Role VSA in the RADIUS Access-Accept message. If the VSA is present and the specified role exists on the controller, the controller assigns that role to the client, overriding the default 802.1X role configured for the WLAN. For example, if the VSA specifies 'general-access' and this role is configured on the controller, the client will be assigned the 'general-access' role.' (Page 305, Role Assignment Section)
Additionally, the HPE Aruba Networking ClearPass Policy Manager 6.11 User Guide notes:
'The Aruba-User-Role VSA allows ClearPass to assign a specific role to a client on an Aruba Mobility Controller. The role name sent in the VSA must match a role configured on the controller, and the controller will apply this role to the client session, ignoring the default role for the WLAN.' (Page 289, RADIUS Enforcement Section)
:
HPE Aruba Networking AOS-8 8.11 User Guide, Role Assignment Section, Page 305.
HPE Aruba Networking ClearPass Policy Manager 6.11 User Guide, RADIUS Enforcement Section, Page 289.
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