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HPE7-A02 Practice Questions

Question # 1
You have run an Active Endpoint Security Report on HPE Aruba Networking ClearPass. The report indicates that hundreds of endpoints have MAC addresses but no known IP addresses.
What is one step for addressing this issue?
A. Set up network devices to implement RADIUS accounting to CPPM.
B. Add CPPM's IP address to the IP helper list on routing switches.
C. Set up switches to implement ARP inspection on client VLANs.
D. Configure CPPM as a Syslog destination on network devices.


B. Add CPPM's IP address to the IP helper list on routing switches.

When the Active Endpoint Security Report on HPE Aruba Networking ClearPass indicates that endpoints have MAC addresses but no known IP addresses, one effective step to address this issue is to add CPPM's (ClearPass Policy Manager) IP address to the IP helper list on routing switches. This configuration ensures that DHCP requests are forwarded to the ClearPass server, allowing it to track and report the IP addresses assigned to the endpoints. This helps ClearPass maintain an accurate mapping of MAC addresses to IP addresses, improving endpoint visibility and security management.

Reference:
ClearPass configuration guides and best practices documentation outline the importance of integrating ClearPass with network infrastructure using IP helper addresses to ensure comprehensive endpoint visibility and management.


Question # 2
What correctly describes an HPE Aruba Networking AP's Device (TPM) certificate?
A. It is signed by an HPE Aruba Networking CA and is trusted by many HPE Aruba Networking solutions.
B. It works well as a captive portal certificate for guest SSIDs.
C. It is a self-signed certificate that should not be used in production.
D. It is installed on APs after they connect to and are provisioned by HPE Aruba Networking Central.


A. It is signed by an HPE Aruba Networking CA and is trusted by many HPE Aruba Networking solutions.

An HPE Aruba Networking AP's Device (TPM) certificate is signed by an HPE Aruba Networking Certificate Authority (CA) and is trusted by many HPE Aruba Networking solutions. This certificate is used for secure communications and device authentication within the Aruba network ecosystem.

1. CA-Signed Certificate: The Device (TPM) certificate is signed by a trusted Aruba CA, ensuring its authenticity and integrity.
2. Trust Across Solutions: Because it is signed by an Aruba CA, it is recognized and trusted by various Aruba solutions, facilitating secure interactions and communications.
3. Security: Using a CA-signed certificate enhances the security of the network by preventing unauthorized access and ensuring that communications are secure.

Reference:
Aruba's documentation on AP certificates and security protocols outlines the use and trust relationships of Device (TPM) certificates within the Aruba network infrastructure.


Question # 3
A company has AOS-CX switches and HPE Aruba Networking APs, which run AOS-10 and bridge their SSIDs. Company security policies require 802.1X on all edge ports, some of which connect to APs.
How should you configure the auth-mode on AOS-CX switches?
A. Configure all edge ports in device auth-mode.
B. Leave all edge ports in client auth-mode and configure device auth-mode in the AP role.
C. Configure all edge ports in client auth-mode.
D. Leave all edge ports in device auth-mode and configure client auth-mode in the AP role.


C. Configure all edge ports in client auth-mode.

For a company with AOS-CX switches and HPE Aruba Networking APs running AOS-10, where 802.1X authentication is required on all edge ports, you should configure all edge ports in clientauth-mode. This mode ensures that each client connecting through the APs is authenticated individually, maintaining the security policy requirements for 802.1X authentication on all connections.

Reference:
Aruba's AOS-CX and ClearPass documentation provide guidelines on configuring 802.1X authentication modes, emphasizing the use of client auth-mode for scenarios involving multiple clients connected through access points.


Question # 4
A company uses both HPE Aruba Networking ClearPass Policy Manager (CPPM) and HPE Aruba Networking ClearPass Device Insight (CPDI). What is one way integrating the two solutions can help the company implement Zero Trust Security?
A. CPPM can provide CPDI with custom device fingerprint definitions in order to enhance the company's total visibility.
B. CPDI can provide CPPM with extra information about users' identity; CPPM can then use that information to apply the correct identity-based enforcement.
C. CPPM can inform CPDI that it has assigned a particular Aruba-User-Role to a client; CPDI can then use that information to reclassify the client.
D. CPDI can use tags to inform CPPM that clients are using prohibited applications; CPPM can then tell the network infrastructure to quarantine those clients.


D. CPDI can use tags to inform CPPM that clients are using prohibited applications; CPPM can then tell the network infrastructure to quarantine those clients.

Explanation:

Integrating HPE Aruba Networking ClearPass Policy Manager (CPPM) and HPE Aruba Networking ClearPass Device Insight (CPDI) can help a company implement Zero Trust Security by allowing CPDI to use tags to inform CPPM that clients are using prohibited applications. CPPM can then take action, such as telling the network infrastructure to quarantine those clients, ensuring that only compliant and trusted devices have network access.

1.Device Insight Tags: CPDI can monitor client behavior and tag devices that are using prohibited applications.
2.Policy Enforcement: CPPM can use these tags to apply specific enforcement actions, such as quarantining non-compliant devices.
3.Zero Trust Implementation: This integration supports Zero Trust Security by ensuring that all devices are continuously monitored and controlled based on their behavior and compliance with security policies.
[Reference: Aruba's ClearPass integration guides detail how CPDI and CPPM can work together to enhance security by leveraging device insights and dynamic policy enforcement., , ]



Question # 5
Assume that an AOS-CX switch is already implementing DHCP snooping and ARP inspection successfully on several VLANs. What should you do to help minimize disruption time if the switch reboots?
A. Configure the switch to act as an ARP proxy.
B. Create static IP-to-MAC bindings for the DHCP and DNS servers.
C. Save the IP-to-MAC bindings to external storage.
D. Configure the IP helper address on this switch, rather than a core routing switch.


C. Save the IP-to-MAC bindings to external storage.

Explanation:

To minimize disruption time if an AOS-CX switch reboots while implementing DHCP snooping and ARP inspection, you should save the IP-to-MAC bindings to external storage. This ensures that the DHCP snooping and ARP inspection tables, which are crucial for preventing spoofing attacks, are preserved across reboots. When the switch restarts, it can reload these bindings from the external storage, thereby maintaining network security and reducing the downtime associated with rebuilding these tables.

1.Preserving Bindings: Saving IP-to-MAC bindings to external storage ensures that these critical security tables are not lost during a reboot, maintaining network integrity.

2.Security Continuity: This practice helps to quickly restore security features like DHCP snooping and ARP inspection, minimizing the window of vulnerability.

3.Operational Efficiency: By preserving these bindings, the switch can resume normal operations faster, reducing disruption to network services.

[Reference: Aruba's AOS-CX configuration guides and best practices for DHCP snooping and ARP inspection detail the importance of saving IP-to-MAC bindings for maintaining network security across reboots., ]



Question # 6
A company is using HPE Aruba Networking ClearPass Device Insight (CPDI) (the standalone application). You have identified a device, which is currently classified as one type, but you want to classify it as a custom type. You also want to classify all devices with similar attributes as this type, both already-discovered devices and new devices discovered later.
What should you do?
A. Create a user tag from the Generic Devices page, select the desired attributes for the tag, and save the tag.
B. In the device details, select reclassify, create a user rule based on its attributes, and choose "Save & Reclassify."
C. In the device details, select filter, create a user tag based on the device attributes, and save the tag.
D. Create a user rule from the Generic Devices page, select the desired attributes for the rule, and choose "Save."


B. In the device details, select reclassify, create a user rule based on its attributes, and choose "Save & Reclassify."

When using HPE Aruba Networking ClearPass Device Insight (CPDI) and you need to reclassify a device to a custom type and apply this classification to all devices with similar attributes, both already discovered and newly discovered, you should follow these steps:

1.Navigate to the device details in CPDI.
2.Select the option to reclassify the device.
3.Create a user rule based on the desired attributes of the device.
4.Choose the "Save & Reclassify" option.

This process ensures that the device is reclassified according to the new custom type and that the rule is applied to all existing and future devices with matching attributes, maintaining consistent classification across the network.

Reference:
The ClearPass Device Insight user guide includes detailed instructions on device classification, rule creation, and managing device attributes to maintain accurate network visibility and security.


Question # 7
You are setting up an HPE Aruba Networking VIA solution for a company. You have already created a VPN pool with IP addresses for the remote clients. During tests, however, the clients do not receive IP addresses from that pool. What is one setting to check?
A. That the pool uses valid, public IP addresses that are assigned to the company
B. That the pool is associated with the role to which the VIA clients are being assigned
C. That the pool uses an IP subnet that is different from any subnet configured on the VPNC
D. That the pool is referenced in the clients' VIA Connection Profile


B. That the pool is associated with the role to which the VIA clients are being assigned

Explanation:

If VIA clients are not receiving IP addresses from the configured VPN pool, one setting to check is whether the pool is associated with the role to which the VIA clients are being assigned. The association between the IP pool and the role ensures that clients assigned to that role receive IP addresses from the correct pool.

1.Role Association: Each role can be associated with a specific IP pool, ensuring that clients assigned to the role receive addresses from the intended pool.
2.IP Allocation: Proper configuration of the IP pool and its association with the role is crucial for correct IP address allocation.
3.VIA Configuration: Ensuring that all settings, including IP pool associations, are correctly configured, facilitates seamless client connectivity.

[Reference: Aruba's VIA configuration guides provide detailed steps for setting up VPN pools and associating them with client roles to ensure correct IP address allocation., , ]


Question # 8
You have configured an AOS-CX switch to implement 802.1X on edge ports. Assume ports operate in the default auth-mode. VolP phones are assigned to the "voice" role and need to send traffic that is tagged for VLAN 12. Where should you configure VLAN 12?
A. As the trunk native VLAN on edge ports and the trunk native VLAN on the "voice" role
B. As a trunk allowed VLAN on edge ports and the trunk native VLAN in the "voice" role
C. As the trunk native VLAN in the "voice" role (and not in the edge port settings)
D. As the allowed trunk VLAN in the "voice" role (and not in the edge port settings)


D. As the allowed trunk VLAN in the "voice" role (and not in the edge port settings)

Explanation:

When configuring 802.1X authentication on edge ports of an AOS-CX switch and assigning VoIP phones to a "voice" role, the correct approach is to configure VLAN 12 as the allowed trunk VLAN in the "voice" role. This setup ensures that traffic tagged for VLAN 12 is appropriately managed by the role applied to the VoIP phones. In AOS-CX switches, the role-based VLAN configuration allows for more granular control and ensures that the VoIP phones' traffic is handled correctly without altering the edge port settings, which typically operate with default settings for authentication.

[Reference: Detailed configuration and role assignment practices for AOS-CX switches can be found in Aruba's configuration guides and documentation related to AOS-CX switch deployments., , , , , ]



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