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HP HPE7-A07 Exam Syllabus Topics:

Topic	Details
Topic 1	Troubleshooting: This topic of the HP HPE7-A07 exam assesses skills of a senior HP RF network engineer in troubleshooting. It also assesses the ability to remediate issues in campus networks. It is vital for ensuring network reliability and minimizing downtime in critical environments.
Topic 2	Authentication Authorization: Senior HP RF network engineers are tested on their skills in designing and troubleshooting AAA configurations, including ClearPass integration. This ensures that network access is securely managed according to the customer's requirements.
Topic 3	Network Stack: This topic of the HP HPE7-A07 exam evaluates the ability of a senior HP RF network engineer to analyze and troubleshoot network solutions based on customer issues. Mastery of this ensures effective problem resolution in complex network environments.
Topic 4	Switching: Senior HP RF network engineers must demonstrate proficiency in implementing and troubleshooting Layer 2 3 switching, including broadcast domains and interconnection technologies. This ensures seamless and efficient data flow across network segments.
Topic 5	Security: This topic evaluates the ability of a senior HP RF network engineer to design and troubleshoot security implementations, focusing on wireless SSID with EAP-TLS and GBP. It ensures the network is secure from unauthorized access and threats.
Topic 6	Routing: This Aruba Certified Campus Access Mobility Expert Written exam section measures the ability to design and troubleshoot routing topologies and functions, ensuring that data efficiently navigates through complex networks, a key skill for HP solutions architects.
Topic 7	Network Resiliency and Virtualization: This section of the Aruba Certified Campus Access Mobility Expert Written exam assesses the expertise of a senior HP RF network engineer in designing and troubleshooting mechanisms for resiliency, redundancy, and fault tolerance. It is crucial for maintaining uninterrupted network services.
Topic 8	WLAN: This HP HPE7-A07 Exam Topic tests the ability of a senior RF network engineer to design and troubleshoot RF attributes and wireless functions. It also includes building and troubleshooting wireless configurations, critical for optimizing WLAN performance in enterprise environments.

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HP Aruba Certified Campus Access Mobility Expert Written Exam Sample Questions (Q109-Q114):NEW QUESTION # 109
Anetworkadministrator accesses HPE Aruba Networking Central and notices that visitors consume too much internet bandwidth starving employee traffic when accessing an external service.Therefore,the administrator wants to limitwireless bandwidth to 60 Mops in both directions among all users in the voice rote and no more than 10 Mops in both directions for YouTube traffic. Deep packet inspection, web contentclassification, andfirewall visibility are enabled.
Which configurations are required to accomplish this task? (Select two.)

• A.
• B.
• C.
• D.
  

Answer: A,D
Explanation:
To achieve the bandwidth limits set by the network administrator, both per-application and total limits need to be configured. Option B shows the configuration for setting a per-application bandwidth limit, which can restrict YouTube traffic to 10 Mbps in both directions. Option D shows the configuration for setting a total bandwidth limit for all users within the voice role to 50000 Kbps (or 50 Mbps), satisfying the requirement to restrict total wireless bandwidth. By applying these configurations in HPE Aruba Networking Central, the administrator will successfully implement the necessary controls to ensure that visitor traffic does not impede the network performance for employee traffic, aligning with the capabilities of Aruba solutions to manage and prioritize network resources effectively.

NEW QUESTION # 110
Refer to the exhibit.
You have recently implemented a VoWiFi solution with QoS, but users are experiencing poor call quality during busy periods. Based on the output generated after some test calls, what change should you make to

improve call quality?

• A. update ACLs
• B. disable AirSlice
• C. reconfigure DSCP mapping
• D. enable WMM for the SSID
  

Answer: C
Explanation:
The command output shows WMM transmit counters per access category on the AP:
* Tx WMM [BK] 56
* Tx WMM [BE] 35
* Tx WMM [VI] 200093
* Tx WMM [VO] 0
* Drops: BE Dropped 566, VO Dropped 3
In Aruba WLAN QoS, traffic is queued using WMM access categories mapped from 802.1p/DSCP/UP values:
* AC_VO (Voice) is for latency-sensitive voice; it should carry EF/DSCP 46 and UP 6.
* AC_VI (Video) is for video; it should not carry voice traffic.
The statistics show zero traffic in AC_VO and a very large amount in AC_VI during the test calls. This indicates that voice frames are being mapped to the Video access category instead of Voice, which reduces priority and increases contention-consistent with poor call quality during busy periods.
HPE Aruba documentation states:
* "Voice traffic (EF/46, UP 6) must be mapped to WMM Voice (AC_VO) to receive the highest priority."
* "Incorrect DSCP/UP-to-WMM mapping results in voice frames using lower-priority queues (e.g., AC_VI) and degraded call quality." Therefore, the corrective action is to reconfigure DSCP/UP-to-WMM mapping so that DSCP 46 (EF) maps to UP 6 # AC_VO on the SSID/user-role, ensuring voice traffic uses the proper Voice queue.
Why others are incorrect:
* B. enable WMM for the SSID - WMM is already active (WMM counters are present).
* C. disable AirSlice - Not indicated; issue is misclassification, not airtime reservation.
* D. update ACLs - ACLs don't fix QoS category mapping for voice marking.
References (HPE Aruba official guides):
* Aruba WLAN QoS/Traffic Management: DSCP/UP to WMM access category mappings and recommended settings for VoWiFi (EF 46 # AC_VO).
* Aruba Mobility and AOS 10 QoS configuration: user-role/SSID QoS mapping behavior and WMM queue operation.

NEW QUESTION # 111
You recently added HPE Aruba Networking ClearPass as an authentication server to a group in HPE Aruba Networking Central. RADIUS authentication with Local User Roles (LUR) works fine, but the same access points cannot use Downloadable User Roles (DUR).
What should be corrected in this configuration to fix the issue with DUR?

• A. Modify the shared secret on the switch to match CPPM using the "radius-server host" command
• B. Uncheck the "Dynamic Authorization" checkbox in the authentication server configuration on HPE Aruba Networking Central
• C. Add the correct values for "CPPM Username" and "CPPM Password" in the authentication server configuration on HPE Aruba Networking Central
• D. Add a new Enforcement Policy of type "WEBAUTH" on ClearPass and associate it with the matching service on ClearPass
  

Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract of HPE Aruba Networking Switching:
When using Downloadable User Roles (DUR) with HPE Aruba Networking ClearPass, the Aruba device (AP, gateway, or switch) must authenticate to ClearPass to retrieve and install the user role that ClearPass sends dynamically. This process differs from normal RADIUS authentication, where only the user credentials are verified.
In Aruba Central, when you configure an authentication server (ClearPass) and enable Downloadable Roles
, the system requires CPPM Username and CPPM Password fields. These credentials are specifically used by the Aruba device to establish a secure HTTPS (TLS) session to the ClearPass server for DUR retrieval.
If the CPPM Username or CPPM Password values are missing, incorrect, or not synchronized with the corresponding credentials defined on ClearPass, the device will fail to authenticate to ClearPass for DUR retrieval. This results in RADIUS authentication succeeding (because LUR is still functioning), but the DUR cannot be downloaded.
Exact Extract from HPE Aruba Networking Switching and ClearPass Configuration Guides:
"When Downloadable User Roles are enabled, the Aruba device must authenticate with ClearPass using configured credentials. The device uses the CPPM Username and Password for HTTPS-based role retrieval. If the credentials are not defined or are invalid, role download will fail even if RADIUS authentication succeeds."
"The CPPM Username and Password define the credentials the device uses to connect to ClearPass for downloadable role retrieval. These credentials must match the admin or API credentials configured on the ClearPass Policy Manager server." This explains why Local User Roles (LUR) work (standard RADIUS), but Downloadable User Roles (DUR) do not - the HTTPS/TLS authentication for DUR fails because the required credentials were not configured correctly.
Why the Other Options Are Incorrect:
* A. Add a new Enforcement Policy of type "WEBAUTH" on ClearPass:WebAuth enforcement policies are unrelated to DUR. Downloadable User Roles are delivered using an Aruba Downloadable Role enforcement profile, not WebAuth.
"Downloadable roles are defined and enforced through the Aruba Downloadable Role profile type. WebAuth policies are used for captive portal authentication only."
* C. Uncheck the "Dynamic Authorization" checkboxynamic Authorization (RFC 3576 or CoA) allows session reauthentication or role changes. Disabling this feature would not fix DUR, as DUR relies on CPPM credentials for HTTPS authentication.
"Dynamic Authorization (CoA) enables session updates but does not control role download authentication."
* D. Modify the shared secret on the switch using the 'radius-server host' command:This option applies to switch RADIUS configuration, not Aruba Central APs or gateways. The DUR process uses HTTPS with ClearPass credentials, not the RADIUS shared secret.
"The RADIUS shared secret is used for authentication requests, not for downloadable role retrieval.
Downloadable roles require valid CPPM credentials."
References of HPE Aruba Networking Switching Documents or Study Guide:
* Aruba Central Management and Configuration Guide - Downloadable Roles Section(Explains CPPM Username/Password requirement and DUR HTTPS authentication process.)
* Aruba ClearPass Policy Manager Configuration Guide - Aruba Downloadable Role Enforcement Profiles(Details the role download process and ClearPass credential validation.)
* ArubaOS-Switch and AOS-CX Security Configuration Guide - Role-Based Access Control and ClearPass Integration(Describes the mechanism for DUR retrieval and the use of HTTPS between the Aruba device and ClearPass.)

NEW QUESTION # 112
In a WLAN network with a tunneled SSID, you see the following events in HPE Aruba Networking Central:

The customer asks you to investigate log messages. What should you tell them?

• A. There is a roaming issue. Enable Fast Roaming 802.11r and OKC to resolve the issue
• B. This indicates a security issue. The client with a MAC address ending with 37:18:0d is performing a Denial-of-Service attack on your network. You should track down the client and remove it from the network
• C. This is normal, expected behavior. No further actions are needed
• D. This indicates a client WLAN driver issue for the client with a MAC address ending with 37:18:0d.
  You should upgrade the client WLAN driver
  

Answer: C
Explanation:
The provided event logs from Aruba Central show multiple entries of:
Client PMK/OKC Key Add/Update
Client PMK/OKC Key Delete
Operation ADD/UPDATE for key cache entry for client ...
Operation DEL for key cache entry for client ...
These log entries refer to Pairwise Master Key (PMK) and Opportunistic Key Caching (OKC) updates in the Aruba gateway or access point for wireless clients.
When a client roams between APs or the system refreshes key entries for active clients, Aruba's infrastructure updates or deletes PMK cache entries dynamically. This process ensures secure key continuity across APs and controllers for tunneled SSIDs.
Exact Extracts from Aruba WLAN and AOS-10 Documentation:
"MK/OKC cache updates and deletions are part of normal operation. When clients connect, disconnect, or roam, the system adds or removes their PMK cache entries. These log messages are informational and indicate expected WPA2-Enterprise behavior."
"In a tunneled SSID, PMK and OKC entries are managed at the gateway level. When a client roams or rekeys, the gateway logs PMK/OKC Key Add/Update and Key Delete messages. These are not error conditions."
"Frequent ADD/DEL entries for a client MAC address reflect normal WPA2 key lifecycle events-such as reauthentication, idle timeout, or client-driven disassociation." Thus, these messages indicate normal background key management (PMK caching and rekeying) and not any fault or attack scenario.
Why the Other Options Are Incorrect:
* A. Denial-of-Service attack:False. These events correspond to key management, not excessive connection requests. Aruba security logs for DoS attacks show messages like "Association flood" or
"Authentication flood," not PMK/OKC operations.
* B. Roaming issue:While OKC relates to roaming optimizations, these log messages do not indicate a failure or issue - they show successful key caching updates.
"OKC Key Add/Update events confirm successful key caching, not roaming failure."
* C. Client WLAN driver issue:No error messages (timeouts, EAP failures, or deauths) are logged. The presence of PMK updates and deletes alone does not imply a driver issue.
"Client driver problems typically manifest as association failures or 4-way handshake errors, not PMK cache logs." Conclusion:
The repeated "MK/OKC Key Add/Update" and "Key Delete" events represent routine client key caching and refresh behavior in Aruba's tunneled WLAN design.
No misconfiguration, client issue, or attack is implied.
Therefore, the correct answer is:
# D. This is normal, expected behavior. No further actions are needed.
References of HPE Aruba Networking Switching Documents or Study Guide:
* ArubaOS 10 Wireless and Gateway Configuration Guide - "MK caching and OKC operation."
* Aruba WLAN Troubleshooting and Operations Guide - "Understanding PMK/OKC key lifecycle and expected log events."
* Aruba Campus WLAN Best Practices Guide - "Tunneled SSID key management (PMK, OKC, and
802.11r Fast Roaming)."
* Aruba Central Monitoring and Event Logs Reference - "Client PMK/OKC Key Add/Delete informational messages."

NEW QUESTION # 113
You are tasked with developing a comprehensive, flexible, and survivable zero-trust wired access network using CX 6300 switching and HPE Aruba Networking ClearPass Policy Manager. Match the scenario to the special roles to achieve your objectives.

Answer:
Explanation:

Explanation:
Scenario
Correct Role
This role is applied when a re-authentication attempt times out to ClearPass.
Critical role
This role is applied when ClearPass replies with the deny access enforcement profile.
Reject role
This role is applied when ClearPass replies with the allow access enforcement profile.
Auth-role
This role is applied when there is no match for a device profile.
Fallback role
In Aruba CX switching, when integrating ClearPass Policy Manager (CPPM) for 802.1X, MAC Authentication, or Downloadable Role-based Access, the system assigns specific roles based on AAA enforcement outcomes or network events (timeouts, mismatches, or unknown devices).
These special roles ensure network survivability and consistent zero-trust policy enforcement even if ClearPass or RADIUS communication fails.
1. Critical Role # Applied when re-authentication attempt times out to ClearPass
"When the switch cannot reach the RADIUS server during re-authentication (for example, a timeout), the switch assigns the critical-role to the authenticated client, ensuring continued network connectivity with a restricted policy."
"This role is used to maintain limited access when the RADIUS server is unreachable or times out." This ensures that devices remain minimally operational while preventing full network access - crucial for survivable network designs.
2. Reject Role # Applied when ClearPass replies with the deny access enforcement profile
"If the RADIUS response includes an Access-Reject, the switch applies the configured reject-role. This typically results in isolation or complete denial of access."
"The reject-role allows enforcement of a restrictive VLAN or ACL after authentication failure." Therefore, when ClearPass denies access, the reject role provides an explicit enforcement action.
3. Auth-Role # Applied when ClearPass replies with the allow access enforcement profile
"When the authentication succeeds and the RADIUS server returns an Access-Accept with an Aruba-User- Role attribute, the switch applies the auth-role."
"This is the default operational role for authenticated clients."
This role represents the authorized state, where the user receives full or role-based access according to ClearPass policies.
4. Fallback Role # Applied when there is no match for a device profile
"If the client fails device profiling or no match is found in the endpoint database, the switch applies the fallback-role configured for unknown devices."
"The fallback-role provides a baseline policy for unrecognized or unclassified endpoints." This ensures unknown or new devices can be placed in a limited-access posture pending classification.
References of HPE Aruba Networking Switching Documents or Study Guide:
* ArubaOS-CX Access Security Guide (AOS-CX 10.12 and later) - "Role mapping and special roles (auth-role, reject-role, fallback-role, critical-role)."
* Aruba ClearPass Policy Manager Deployment Guide - "Integration with Aruba Switch Roles and Enforcement Profile Mapping."
* Aruba Zero Trust Wired Access Design Guide - "Survivability roles for authentication failure or unreachable ClearPass."
* Aruba CX 6300 Configuration Guide - "AAA, Downloadable Roles, and Fallback/Critical Role Configuration."

NEW QUESTION # 114
......
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