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| Section | Objectives |
|---|---|
| Secure Connectivity | - Secure remote access design - VPN concepts and secure tunneling |
| Aruba Security Architecture | - Policy enforcement and access control concepts - Aruba ClearPass ecosystem overview |
| Network Security Fundamentals | |
| Network Access Control | - Guest and device onboarding - Role-based access policies |
| Identity and Access Management | - AAA concepts (Authentication, Authorization, Accounting) - 802.1X authentication workflows |
| Monitoring and Troubleshooting | - Security event monitoring - Network security diagnostics |
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NEW QUESTION # 154
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?
Answer: C
Explanation:
A conflict in the Endpoints Repository usually indicates that ClearPass has seen different profiling data for the same MAC, which might mean a spoofing attempt-or simply normal behavior for certain device types.
Devices that use PXE boot often:
Boot initially from the network with one set of characteristics (e.g., a minimal OS, different DHCP fingerprint), Then chain-load into a different OS with a different fingerprint and sometimes even a different network profile.
Aruba exam and design material specifically point out PXE boot as a common, benign cause of profiler conflicts and recommend tuning cluster-wide profiler parameters to ignore or relax some conflicts for these devices.
Therefore, you look at whether the company has devices that use PXE boot when deciding whether to tune profiler conflict behavior # Option D.
NEW QUESTION # 155
A company is using HPE Aruba Networking ClearPass Device Insight (CPDI) (the standalone application). In the CPDI security settings, Security Analysis is On, the Data Source is ClearPass Devices Insight, and Enable Posture Assessment is On. You see that device has a Risk Score of 90.
What can you know from this information?
Answer: D
Explanation:
In HPE Aruba Networking ClearPass Device Insight (CPDI), a device with a Risk Score of 90 indicates that the posture is unhealthy, and CPDI has detected at least one vulnerability on the device. The risk score is a reflection of the device's security posture and detected vulnerabilities. A high risk score, such as 90, typically signifies significant security concerns, including the presence of vulnerabilities that could be exploited, thereby categorizing the device as a high-risk asset within the network.
Reference: ClearPass Device Insight documentation and security settings guides explain how risk scores are calculated and interpreted, including the impact of posture assessment and vulnerability detection on overall device risk ratings.
NEW QUESTION # 156
A company has Aruba APs that are controlled by Central and that implement WIDS. When you check WIDS events, you see a "detect valid SSID misuse" event. What can you interpret from this event, and what steps should you take?
Answer: B
Explanation:
The "Detect Valid SSID Misuse" event in Aruba's Wireless Intrusion Detection System (WIDS) indicates that a valid SSID, associated with your network, is being broadcast from an unauthorized source. This scenario often signals a potential rogue access point attempting to deceive clients into connecting to it (e.g., for credential harvesting or man-in-the-middle attacks).
1. Explanation of Each Option
A: Clients are failing to authenticate to corporate SSIDs. You should first check for misconfigured authentication settings and then investigate a possible threat:
* Incorrect:
* This event is not related to authentication failures by legitimate clients.
* Misconfigured authentication settings would lead to events like "authentication failures" or
"radius issues," not "valid SSID misuse."
B: Admins have likely misconfigured SSID security settings on some of the company's APs. You should have them check those settings:
* Incorrect:
* This event refers to an external device broadcasting your SSID, not misconfiguration on the company's authorized APs.
* WIDS differentiates between valid corporate APs and rogue APs.
C: Hackers are likely trying to pose as authorized APs. You should use the detecting radio information and immediately track down the device that triggered the event:
* Correct:
* This is the most likely cause of the "detect valid SSID misuse" event. A rogue AP broadcasting a corporate SSID could lure clients into connecting to it, exposing sensitive credentials or traffic.
* Immediate action includes:
* Using the radio information from the event logs to identify the rogue AP's location.
* Physically locating and removing the rogue device.
* Strengthening WIPS/WIDS policies to prevent further misuse.
D: This event might be a threat but is almost always a false positive. You should wait to see the event over several days before following up on it:
* Incorrect:
* While false positives are possible, "valid SSID misuse" is a critical security event that should not be ignored.
* Delaying action increases the risk of successful attacks against your network.
2. Recommended Steps to Address the Event
* Review Event Logs:
* Gather details about the rogue AP, such as SSID, MAC address, channel, and signal strength.
* Locate the Rogue Device:
* Use the detecting AP's radio information and signal strength to triangulate the rogue AP's physical location.
* Respond to the Threat:
* Remove or disable the rogue device.
* Notify the security team for further investigation.
* Prevent Future Misuse:
* Strengthen security policies, such as enabling client whitelists or enhancing WIPS protection.
References
* Aruba WIDS/WIPS Configuration and Best Practices Guide.
* Aruba Central Security Event Analysis Documentation.
* Wireless Threat Management Using Aruba Networks.
NEW QUESTION # 157
What is a typical use case for using HPE Aruba Networking ClearPass Onboard to provision devices?
Answer: B
Explanation:
A typical use case for using HPE Aruba Networking ClearPass Onboard is to provision unmanaged devices to succeed at certificate-based 802.1X authentication. ClearPass Onboard allows users to securely configure their personal devices with the necessary certificates and network settings to authenticate on the network using 802.1X, which enhances security and simplifies the onboarding process for unmanaged devices.
1.Certificate-Based Authentication: ClearPass Onboard simplifies the process of issuing and installing certificates on unmanaged devices, ensuring they can authenticate securely using 802.1X.
2.User-Friendly Onboarding: The Onboard process is user-friendly, guiding users through the steps needed to configure their devices for network access.
3.Enhanced Security: By using certificates for authentication, the solution provides a higher level of security compared to traditional username/password methods.
Reference: ClearPass Onboard documentation highlights the use of the platform for provisioning certificates on unmanaged devices to facilitate secure network access via 802.1X.
NEW QUESTION # 158
You are deploying a virtual Data Collector for use with HPE Aruba Networking ClearPass Device Insight (CPDI). You have identified VLAN 101 in the data center as the VLAN to which the Data Collector should connect to receive its IP address and connect to HPE Aruba Networking Central.
Which Data Collector virtual ports should you tell the virtual admins to connect to VLAN 101?
Answer: B
Explanation:
When deploying a virtual Data Collector for HPE Aruba Networking ClearPass Device Insight (CPDI), it is essential to ensure that the correct virtual port is connected to the designated VLAN.
In this case, VLAN 101 is used to receive the IP address and connect to Aruba Central. The best practice is to use the virtual port with the lowest port ID. This is typically the primary port used for management and network connectivity in virtual environments, ensuring proper network integration and communication.
NEW QUESTION # 159
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