HP HPE7-A02 - Aruba Certified Network Security Professional Exam

User-Based Tunneling supports Zero Trust by allowing organizations to enforce consistent role-based policies for wired and wireless users. Instead of trusting a device because it is physically connected to the LAN, the network uses identity, role, and context to determine access. UBT can tunnel selected wired traffic from AOS-CX switches to gateways where centralized firewall policies are applied. This allows wired users to receive enforcement similar to wireless users. Zero Trust requires least-privilege access and consistent policy based on identity and device context, not broad network placement. UBT is not mainly about VXLAN, universal LAN encryption, or cloud-zone extension. Its main Zero Trust value is consistent identity-based access enforcement.

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Running periodic subnet scans on devices from HPE Aruba Networking ClearPass Policy Manager (CPPM) can be used to gather DHCP fingerprints, which help determine a client ' s device category and operating system. DHCP fingerprints are unique patterns in DHCP request packets that provide valuable information about the device type and OS, assisting in device profiling and policy enforcement.

1.DHCP Fingerprinting: This technique captures specific details from DHCP packets to identify the type and operating system of a device.

2.Device Profiling: By running subnet scans, CPPM can continuously update its device database with accurate profiles, ensuring that policies are applied correctly based on the device type.

3.Network Visibility: Regular scanning helps maintain up-to-date visibility of all devices on the network, improving security and management.

To set up HPE Aruba Networking ClearPass Policy Manager (CPPM) for certificate-based authentication of 802.1X supplicants, you need to upload the root CA certificate as a Trusted CA with the EAP usage. This configuration allows the ClearPass server to validate the certificates presented by the supplicants during the 802.1X authentication process. By marking the certificate for EAP usage, ClearPass can properly authenticate the supplicant devices using the trusted certificate authority (CA) that issued their certificates.

To support the requirement for HPE Aruba Networking ClearPass Policy Manager (CPPM) to have HTTP User-Agent strings for profiling devices, you should add the CPPM server ' s IP address to the IP helper list in all client VLANs on routing switches. This configuration ensures that DHCP requests and other relevant client traffic are forwarded to CPPM, allowing it to capture HTTP User-Agent strings and use them for device profiling.

1.IP Helper Configuration: Adding CPPM to the IP helper list ensures that the switch forwards DHCP and other client traffic to CPPM, enabling it to gather necessary information for profiling.

2.User-Agent Strings: By receiving client traffic, CPPM can analyze HTTP headers and capture User-Agent strings, which provide valuable information about the client ' s device and browser.

3.Profiling Support: This approach supports the comprehensive profiling of devices, allowing CPPM to apply appropriate policies based on detailed device information.

The role mapping policy is configured to Evaluate all , so a client with an enabled AD account receives role1 , and a client in the Contractors group receives role2 . A client that meets both requirements receives both roles. The enforcement policy uses First applicable , and rule 1 already checks for both conditions: Tips:Role EQUALS role1 AND Tips:Role EQUALS role2 . Therefore, the matching logic is already correct. What is missing is the correct enforcement action. To assign an AOS firewall role, CPPM must return the appropriate RADIUS enforcement profile containing the Aruba-User-Role VSA set to contractors-fullaccess . Changing only role mapping names does not assign the firewall role. Adding a separate role2-only rule would incorrectly match Contractors users whose AD account status is not enabled.

ClearPass Role Mapping Policy:

The Endpoint namespace is used to reference attributes and tags related to endpoint devices.

Device Insight Tags are part of endpoint profiling information and are stored in the Endpoint Repository.

Option Analysis:

Option A: Correct. The Endpoint namespace includes Device Insight Tags.

Option B: Incorrect. TIPS refers to system attributes and configuration data, not endpoint tags.

Option C: Incorrect. Device is not a valid namespace in this context.

Option D: Incorrect. Application relates to application-level attributes, not Device Insight Tags.

Installing Agents for SSE (Secure Service Edge):

Agents installed on remote users ' devices allow posture checks (e.g., antivirus status, OS version) to ensure compliance.

Based on the results of the posture checks, different permissions and security policies can be applied dynamically.

This improves the security posture of remote users before granting access to resources.

Option A: Correct. Agents enable posture checks and enforce conditional access based on compliance.

Option B: Incorrect. Admins manage SSE policies centrally, not via agents.

Option C: Incorrect. Access to private servers via SSH does not require agents; it relies on policies and tunnels.

Option D: Incorrect. Local sandboxing is generally a function of endpoint protection solutions, not SSE agents.

When creating a rule in an HPE Aruba Networking ClearPass Policy Manager (CPPM) role mapping policy that references a ClearPass Device Insight Tag, you should specify the " Endpoint " Type (namespace) for the rule. This ensures that the policy can properly reference and utilize the tags assigned to endpoints by ClearPass Device Insight for making role mapping decisions.

1.Endpoint Tags: ClearPass Device Insight assigns tags to endpoints based on their characteristics and behaviors. These tags are stored in the " Endpoint " namespace.

2.Role Mapping: By referencing the " Endpoint " type, the rule can accurately match endpoints with the specified tags and apply the appropriate role mappings based on the device ' s profile.

3.Policy Consistency: Ensuring that the correct namespace is used maintains consistency and accuracy in role assignment policies.

To configure the HPE Aruba Networking VIA solution for remote employees who need to download their VIA connection profile from the VPN Concentrator (VPNC) and ensure that only those who authenticate with their domain credentials through ClearPass Policy Manager (CPPM) can do so, you need to set up a VIA Authentication Profile. This profile should use the CPPM ' s RADIUS server group. Once the VIA Authentication Profile is created, you need to reference this profile in the VIA Web Authentication Profile. This configuration ensures that the authentication process requires employees to validate their credentials via CPPM before they can download the VIA connection profile.

RADIUS Accounting:

RADIUS accounting enables network devices to report client session details (e.g., IP addresses, session duration, bandwidth usage) to CPPM.

Interim updates ensure CPPM receives ongoing updates about the client’s session, enabling accurate tracking.

Option Analysis:

Option A: Incorrect. Syslog logging sends general system logs, not client session details.

Option B: Incorrect. Dynamic authorization (CoA) handles session changes but does not provide usage tracking.

Option C: Correct. RADIUS accounting with interim updates tracks client IP addresses and bandwidth utilization.

Option D: Incorrect. IF-MAP interfaces are used for metadata sharing, not for RADIUS-based tracking.