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HP HPE7-A07 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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 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
  • 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.
Topic 6
  • 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 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
  • 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 9
  • Performance Optimization: The Aruba Certified Campus Access Mobility Expert Written exam focuses on analyzing and remediating performance issues within a network. It measures the ability of a senior RF network engineer to fine-tune network operations for maximum efficiency and speed.

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HP Aruba Certified Campus Access Mobility Expert Written Exam Sample Questions (Q19-Q24):

NEW QUESTION # 19
You configured a mixed-mode SSID with WPA3-Enterprise and EAP-TLS security. When you connect a client, HPE Aruba Networking ClearPass shows the following error:

What is needed to resolve this issue?

Answer: A

Explanation:
Understanding the error:
The key line in the error message is:
fatal alert by server - unknown_ca
tls_process_client_certificate:certificate verify failed
This indicates that ClearPass (the RADIUS server) is rejecting the client's certificate during the EAP-TLS handshake.
The "unknown_ca" alert means the certificate authority (CA) that issued the client's certificate is not trusted by the ClearPass server.
Why Option D is correct:
When using EAP-TLS, both the client and the authentication server perform mutual authentication using digital certificates.
* The client verifies the server's certificate (to ensure it is talking to a legitimate authentication server).
* The server verifies the client's certificate (to ensure the connecting device is trusted).
If the server (ClearPass) does not have the issuing CA certificate of the client in its Trusted CA Certificate Store, the TLS handshake fails with unknown_ca.
Exact Extract (from Aruba ClearPass Deployment Guide / ClearPass Certificate Management Guide):
"During EAP-TLS authentication, the ClearPass Policy Manager validates the client's certificate chain against its list of trusted Certificate Authorities.
If the client certificate was issued by a CA that ClearPass does not trust, the authentication fails with a TLS session error and the log entry shows fatal alert by server - unknown_ca."
"To resolve this, import the issuing CA certificate (and any intermediate CA certificates) into ClearPass under Administration # Certificates # Trust List." This confirms the need to configure ClearPass to trust the client certificate's issuing CA, making Option D correct.
Why the other options are incorrect:
* A. Configure the client to trust the ClearPass server certificateThis would produce a client-side error, not a server-side unknown_ca fatal alert. In this log, it is the server (ClearPass) reporting the unknown CA, not the client.
Extract:
"If the client does not trust the RADIUS server certificate, the failure appears on the client side with an
'untrusted server certificate' error, not in ClearPass logs."
* B. Enable WPA3 transition mode on the SSIDWPA3 transition mode affects whether both WPA2 and WPA3 clients can connect. It does not affect EAP-TLS or certificate verification.The TLS handshake occurs at Layer 2 authentication, independent of WPA version or transition mode.
Extract:
"Transition mode is unrelated to 802.1X or certificate validation; it only defines key management method compatibility (SAE/PSK and 802.1X coexistence)."
* C. Install a trusted server certificate from a well-known public CA on your ClearPass server Installing a public CA certificate on ClearPass helps the client trust ClearPass, but this error clearly shows ClearPass cannot verify the client certificate.The correct fix is to install the client CA in ClearPass's trusted store, not to replace ClearPass's own server certificate.
Extract:
"A server certificate from a public CA ensures client-side trust, not server-side trust of client certificates. An
'unknown_ca' alert from the server indicates missing client CA trust, not a server certificate problem." Final Summary:
Error Source
Meaning
Corrective Action
unknown_ca reported by server
Server (ClearPass) does not trust client's CA
Import client's CA certificate into ClearPass trusted store
unknown_ca reported by client
Client does not trust RADIUS server's certificate
Install proper server certificate or CA chain on ClearPass
answer: D - Configure ClearPass to trust the client certificate
References (from HPE Aruba Networking official documentation, no external URLs):
* Aruba ClearPass Policy Manager 6.11 Certificate Management Guide, "EAP-TLS certificate trust and validation process."
* Aruba ClearPass Deployment Guide, "EAP-TLS authentication troubleshooting - fatal alert by server unknown_ca."
* ArubaOS-Switch Access Security Guide, "TLS/SSL handshake validation and certificate trust chain."
* Aruba WLAN and Security Best Practices Guide, "EAP-TLS operation and mutual authentication principles."


NEW QUESTION # 20
A deployment using AP-635S is connected to a stack of CX 6300s as shown.

The output of the snow LACP interfaces shews the following:

What is causing this issue?

Answer: B

Explanation:
In an Aruba deployment, if an AP's interfaces show different LACP states, it often indicates a configuration mismatch. If one interface is up and the other is blocked as shown in the output, it's likely due to both interfaces on the AP being set to LACP active mode, which is a correct setting for establishing an LACP channel with Aruba switches like the CX 6300 series.


NEW QUESTION # 21

A network administrator attempts to improve multicast traffic flow and performs some packet captures for validation. What can the network administrator conclude from the results?

Answer: D

Explanation:
The packet decode excerpt shows a QoS Data frame, not a multicast-control low-rate frame.
Frame control flags indicate:
* Subtype: QoS Data # This is unicast, not broadcast/multicast
* From DS bit = 1, To DS bit = 0 # Wireless unicast from AP to client
* High-rate MCS data present # Indicates optimized transmission speed
This behavior aligns directly with Dynamic Multicast Optimization (DMO).
Aruba DMO Overview - Official Behavior
ArubaOS Wi-Fi optimization guides state:
"Dynamic Multicast Optimization converts multicast packets into unicast transmissions and sends them using the highest supported data rate, improving delivery reliability and efficiency." This means:
Before DMO
After DMO
Multicast sent at lowest basic rate (e.g., 6 Mbps)
Converted to unicast # can use high PHY rates (e.g., 300 Mbps+)
High drop probability
Reliable delivery
Poor performance
Optimized throughput
The packet remaining a Data/QoS Data subtype is correct - DMO does not change the 802.11 frame Type field; it changes transmission handling and rate control.
Why the Other Options Are Incorrect
Option
Why Incorrect
A BCMCO does not exist - incorrect feature name
B Type consistency is not the key validation point - rate increase is
D Packet length always appears in frame decode; optimization never hides it
# Final Verified answer: C
The data rate increased from 6 Mbps to 300 Mbps because Dynamic Multicast Optimization (DMO) was configured.


NEW QUESTION # 22
An OSPF router has learned a path to an external network by both an E1 and an E2 advertisement. Both routes have the same path cost. Which path will the router prefer?

Answer: B

Explanation:
In HPE Aruba Networking (AOS-CX and AOS-Switch) OSPF implementation, the routing behavior for external routes (Type 5 LSAs) distinguishes between two types of external advertisements:
* E1 (Type-1 external) - The total path cost is calculated as the sum of the internal cost to reach the ASBR (Autonomous System Boundary Router) plus the external cost as advertised in the LSA.
* E2 (Type-2 external) - The external cost is considered independent of the internal OSPF path cost to reach the ASBR. Thus, the metric used is only the external cost from the LSA.
When both an E1 and an E2 route exist to the same external destination, OSPF gives preference to the E1 route, regardless of metric values, because the E1 route represents a more accurate total cost to the destination (including internal OSPF cost).
Extract (as per HPE Aruba OSPF Technical Overview and AOS-CX Routing Guide):
"When both Type-1 (E1) and Type-2 (E2) external LSAs for the same destination are present, the router always prefers the Type-1 route. Type-1 routes include both internal and external costs in the total metric, while Type-2 routes use only the external cost. The E1 path is therefore considered more precise and is selected as the preferred route." This is consistent across Aruba's OSPF implementation and follows standard OSPF behavior as defined by the protocol (RFC 2328).
Therefore, when both E1 and E2 routes are available and have the same overall cost, the router will always prefer the E1 path.
References:* HPE Aruba Networking AOS-CX Routing Configuration Guide - OSPF External Route Preference (Section: OSPF External LSAs).* HPE Aruba Certified Switching Professional (ACSP) Study Guide - OSPF Route Selection and External Type Behavior.* HPE ArubaOS-Switch Management and Configuration Guide - OSPF External Route Types (E1 vs E2).


NEW QUESTION # 23
You are deploying a new AOS 10 mobility gateway cluster. Due to customer requirements, the gateways must be configured with static IP addresses and are restricted from communicating using port 443 to any URLs except tor "central arubanetworks.com How would you onboard these gateways successfully into HPE Aruba Networking Central?

Answer: B

Explanation:
Option A includes all necessary steps for a full setup of an AOS 10 mobility gateway cluster, including setting the system name, switch role, ACP FQDN address, uplink port information, IP address and default gateway, DNS IP address, controller country code, timezone and clock, andadmin password. Since the gateways must have static IP addresses and can only communicate on port 443 for a specific URL, this configuration would need to allow for static IP configuration and restrict communication to the required URL.


NEW QUESTION # 24
......

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