Question # 1
| You have created this rule in an HPE Aruba Networking ClearPass Policy Manager (CPPM) service's enforcement policy: IF Authorization [Endpoints Repository]
Conflict EQUALS true THEN apply "quarantine_profile"
What information can help you determine whether you need to configure cluster-wide profiler parameters to ignore some conflicts? | | A. Whether the company has rare Internet of Things (loT) devices | | B. Whether some devices are incapable of captive portal or 802.1X authentication | | C. Whether the company has devices that use PXE boot | | D. Whether some devices are running legacy operating systems |
C. Whether the company has devices that use PXE boot
Explanation:
When you have created a rule in a ClearPass Policy Manager (CPPM) service's enforcement policy to quarantine devices with endpoint conflicts, it is important to consider whether the company has devices that use PXE boot. PXE booting devices can create conflicts in the profiler because they may temporarily have different network attributes (e.g., MAC address or IP address) before fully booting and obtaining their final configuration. Understanding whether PXE boot is in use can help determine if profiler parameters need to be adjusted to ignore such temporary conflicts, ensuring that devices are not incorrectly quarantined.
[Reference: ClearPass profiler configuration documentation and best practices include considerations for handling network devices with dynamic or temporary configurations, such as those using PXE boot., , , ]
Question # 2
| A company has HPE Aruba Networking APs (AOS-10), which authenticate clients to HPE Aruba Networking ClearPass Policy Manager (CPPM). CPPM is set up
to receive a variety of information about clients' profile and posture. New information can mean that CPPM should change a client's enforcement profile.
What should you set up on the APs to help the solution function correctly? | | A. In the security settings, configure dynamic denylisting. | | B. In the RADIUS server settings for CPPM, enable Dynamic Authorization. | | C. In the WLAN profiles, enable interim RADIUS accounting. | | D. In the RADIUS server settings for CPPM, enable querying the authentication status. |
B. In the RADIUS server settings for CPPM, enable Dynamic Authorization.
Explanation:
To ensure that HPE Aruba Networking APs (AOS-10) properly interact with HPE Aruba Networking ClearPass Policy Manager (CPPM) and dynamically update a client's enforcement profile based on new profile and posture information, you should enable Dynamic Authorization in the RADIUSserver settings for CPPM. This allows ClearPass to send Change of Authorization (CoA) requests to the APs, prompting them to reapply the appropriate enforcement profiles based on updated information.
1.Dynamic Authorization: Enabling this feature allows ClearPass to dynamically push changes to the APs whenever there is new relevant information about a client's profile or posture.
2.Change of Authorization (CoA): This mechanism ensures that clients are assigned the correct enforcement profiles in real-time, based on the latest data.
3.Enhanced Policy Enforcement: This setup helps in maintaining accurate and up-to-date policy enforcement for clients on the network.
[Reference: ClearPass and AOS-10 documentation on RADIUS server settings and dynamic authorization explain the process and benefits of enabling Dynamic Authorization for real-time policy updates., , ]
Question # 3
| A company has HPE Aruba Networking APs and AOS-CX switches, as well as HPE Aruba Networking ClearPass. The company wants CPPM to have HTTP User-
Agent strings to use in profiling devices.
What can you do to support these requirements? | | A. Add the CPPM server's IP address to the IP helper list in all client VLANs on routing switches. | | B. Schedule periodic subnet scans of all client subnets on CPPM. | | C. Configure mirror sessions on the APs and switches to copy client HTTP traffic to CPPM. | | D. On the APs and switches, configure a redirect to ClearPass Guest in the role for devices being profiled. |
A. Add the CPPM server's IP address to the IP helper list in all client VLANs on routing switches.
Explanation:
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.
[Reference: Aruba ClearPass and AOS-CX switch configuration guides detail the process of setting up IP helper addresses and the benefits of forwarding client traffic to CPPM for enhanced profiling and policy enforcement., , ]
Question # 4
| A company uses HPE Aruba Networking ClearPass Policy Manager (CPPM) as a TACACS+ server to authenticate managers on its AOS-CX switches. The
company wants CPPM to control which commands managers are allowed to enter. You see there is no field to enter these commands in ClearPass.
How do you start configuring the command list on CPPM?<br><br> | | A. Add the Shell service to the managers' TACACS+ enforcement profiles. | | B. Edit the TACACS+ settings in the AOS-CX switches' network device entries. | | C. Create an enforcement policy with the TACACS+ type. | | D. Edit the settings for CPPM's default TACACS+ admin roles. |
A. Add the Shell service to the managers' TACACS+ enforcement profiles.
Explanation:
To control which commands managers are allowed to enter on AOS-CX switches using HPE Aruba Networking ClearPass Policy Manager (CPPM) as a TACACS+ server, you need to add the Shell service to the TACACS+ enforcement profiles for the managers. This service allows you to define and enforce specific command sets and access privileges for users authenticated via TACACS+. Byconfiguring the Shell service in the enforcement profile, you can specify the commands that are permitted or denied for the managers, ensuring controlled and secure access to the switch's command-line interface.
[Reference: Aruba's ClearPass Policy Manager documentation provides detailed instructions on setting up TACACS+ services, including configuring Shell profiles for command authorization and enforcement policies., , , , ]
Question # 5
| 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., , , , , ]
Question # 6
| The security team needs you to show them information about MAC spoofing attempts detected by HPE Aruba Networking ClearPass Policy Manager (CPPM).
What should you do? | | A. Export the Access Tracker records on CPPM as an XML file. | | B. Use ClearPass Insight to run an Active Endpoint Security report. | | C. Integrate CPPM with ClearPass Device Insight (CPDI) and run a security report on CPDI. | | D. Show the security team the CPPM Endpoint Profiler dashboard. |
B. Use ClearPass Insight to run an Active Endpoint Security report.
Explanation:
To show the security team information about MAC spoofing attempts detected by HPE Aruba Networking ClearPass Policy Manager (CPPM), you should use ClearPass Insight to run an Active Endpoint Security report. ClearPass Insight provides comprehensive reporting capabilities that include detailed information on security incidents, such as MAC spoofing attempts. By generating this report, you can provide the security team with a clear overview of the detected spoofing activities, including the endpoints involved and the context of the events.
[Reference: The ClearPass documentation and Insight reporting guide offer detailed instructions on generating and interpreting Active Endpoint Security reports, which include data on MAC spoofing and other security incidents., , , ]
Question # 7
| 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., ]
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