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HP Aruba Certified Network Security Professional Exam Sample Questions (Q96-Q101):

NEW QUESTION # 96
You need to set up HPE Aruba Networking ClearPass Policy Manager (CPPM) to provide certificate-based authentication of 802.1X supplicants.
How should you upload the root CA certificate for the supplicants' certificates?

A. As a ClearPass Server certificate with the RADIUS/EAP usage
B. As a ClearPass Server certificate with the Database usage
C. As a Trusted CA with the AD/LDAP usage
D. As a Trusted CA with the EAP usage

Answer: D

Explanation:
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 certificatefor EAP usage, ClearPass can properly authenticate the supplicant devices using the trusted certificate authority (CA) that issued their certificates.

NEW QUESTION # 97
A company has AOS-CX switches at the access layer, managed by HPE Aruba Networking Central. You have identified suspicious activity on a wired client. You want to analyze the client's traffic with Wireshark, which you have on your management station.
What should you do?

A. Set up a mirror session on the client's switch; set the client port as the source and your station IP address as the tunnel destination.
B. Access the client's switch's CLI from your management station. Access the switch shell and run a TCP dump on the client port.
C. Set up a policy that implements a captive portal redirect to your management station. Apply that policy to the client's port.
D. Go to the client's switch in HPE Aruba Networking Central. Use the "Security" page to run a packet capture.

Answer: A

Explanation:
Why a Mirror Session Is the Correct Choice
To analyze a wired client's traffic with Wireshark, you need the traffic mirrored to your management station where Wireshark is installed. The most effective way to achieve this is by configuring a mirror session on the AOS-CX switch, specifying the client port as the source and your management station as the destination.
Analysis of Each Option
A: Access the client's switch's CLI from your management station. Access the switch shell and run a TCP dump on the client port:
* Incorrect:
* AOS-CX switches do not natively support packet capture (e.g., tcpdump) directly on the switch CLI.
* This approach is not feasible for capturing and analyzing live client traffic.
B: Go to the client's switch in HPE Aruba Networking Central. Use the "Security" page to run a packet capture:
* Incorrect:
* HPE Aruba Networking Central provides security insights but does not directly support initiating packet captures for detailed analysis.
* Traffic analysis with tools like Wireshark requires local packet capture at the management station.
C: Set up a policy that implements a captive portal redirect to your management station. Apply that policy to the client's port:
* Incorrect:
* Captive portals are designed for user authentication and redirection, not traffic analysis.
* This would disrupt the client's network activity without enabling traffic analysis in Wireshark.
D: Set up a mirror session on the client's switch; set the client port as the source and your station IP address as the tunnel destination:
* Correct:
* Mirroring the client port to your management station is the standard method for analyzing live network traffic with Wireshark.
* Steps include:
* Configure a mirror session on the client's AOS-CX switch.
* Set the client's port as the source.
* Set your management station as the destination using its IP address (via GRE tunnel or physical interface).
* Start capturing traffic with Wireshark on the management station.
Final Recommendation
To analyze the client's traffic, configure a mirror session on the switch, set the client port as the source, and direct the traffic to your management station where Wireshark is running.
References
* AOS-CX Switch Port Mirroring Configuration Guide.
* HPE Aruba Networking Central Monitoring and Troubleshooting Best Practices.
* Wireshark Traffic Analysis and Capture Techniques.

NEW QUESTION # 98
A company has HPE Aruba Networking gateways that implement gateway IDS/IPS. Admins sometimes check the Security Dashboard, but they want a faster way to discover if a gateway starts detecting threats in traffic.
What should they do?

A. Set up Webhooks that are attached to the HPE Aruba Networking Central Threat Dashboard.
B. Set up email notifications using HPE Aruba Networking Central's global alert settings.
C. Integrate HPE Aruba Networking ClearPass Device Insight (CPDI) with Central and schedule hourly reports.
D. Use Syslog to integrate the gateways with HPE Aruba Networking ClearPass Policy Manager (CPPM) event processing.

Answer: B

Explanation:
For a faster way to discover if a gateway starts detecting threats in traffic, admins should set up email notifications using HPE Aruba Networking Central's global alert settings. This setup ensures that the security team is promptly informed via email whenever the IDS/IPS on the gateways detects any threats, allowing for immediate investigation and response.
1.Email Notifications: By configuring email notifications, admins can receive real-time alerts directly to their inbox, reducing the time to discover and react to security incidents.
2.Global Alert Settings: HPE Aruba Networking Central's global alert settings allow for customization of alerts based on specific security events and thresholds, providing flexibility in monitoring and response.
3.Proactive Monitoring: This proactive approach ensures that the security team is always aware of potential threats without the need to constantly check the Security Dashboard manually.

NEW QUESTION # 99
You manage AOS-10 APs with HPE Aruba Networking Central. A role is configured on these APs with the following rules:
* Allow UDP on port 67 to any destination
* Allow any to network 10.1.6.0/23
* Deny any to network 10.1.0.0/16 + log
* Deny any to network 10.0.0.0/8
* Allow any to any destination
You add this new rule immediately before rule 2:
Deny SSH to network 10.1.4.0/23 + denylist
What happens when a client assigned to this role sends SSH traffic to 10.1.11.42?

A. The traffic is permitted.
B. The traffic is dropped (without any logging or further action against the client).
C. The traffic is dropped, and the client is denylisted.
D. The traffic is dropped and logged.

Answer: A

Explanation:
Comprehensive Detailed Explanation
* Traffic Match Evaluation Order:
* The rules are processed in sequential order, and the first rule that matches is applied.
* The added rule only denies SSH traffic to 10.1.4.0/23. Since 10.1.11.42 is not within the 10.1.4.0
/23 subnet, this rule does not apply.
* Next Matching Rule:
* Rule 2 permits traffic to the 10.1.6.0/23 network, but this does not include 10.1.11.42.
* Rule 3 denies traffic to the broader 10.1.0.0/16 network and logs it. Since 10.1.11.42 falls under this range, this rule applies, and the traffic would be logged and dropped.
* Logging and Denylist Actions:
* The denylist action in the new rule only applies to SSH traffic to 10.1.4.0/23. Since the destination is outside that range, the denylist is not triggered.
References
* Aruba AOS-10 Role and Firewall Rules Documentation.
* HPE Aruba Central Configuration Best Practices Guide.

NEW QUESTION # 100
What is one use case for implementing user-based tunneling (UBT) on AOS-CX switches?

A. Tunneling traffic directly to a third-party firewall in a client data center
B. Adding 802.1X while continuing to use the existing VLAN and ACL structure in the Ethernet network
C. Centralizing the distribution of wired traffic without requiring HPE Aruba Networking gateways
D. Applying enhanced security features such as deep packet inspection (DPI) to wired traffic

Answer: D

Explanation:
Implementing user-based tunneling (UBT) on AOS-CX switches is beneficial for applying enhanced security features such as deep packet inspection (DPI) to wired traffic. UBT allows the traffic from specific users or devices to be tunneled to a central controller or security appliance where advanced security policies, including DPI, can be applied. This approach ensures that even wired traffic benefits from the same level of security and inspection typically available for wireless traffic, thus enhancing overall network security.

NEW QUESTION # 101
......

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