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NEW QUESTION # 137
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?
Answer: D
NEW QUESTION # 138
A company wants you to integrate HPE Aruba Networking ClearPass Policy Manager (CPPM) with HPE Aruba Networking ClearPass Device Insight (CPDI).
What is one aspect of the integration that you should explain?
Answer: A
NEW QUESTION # 139
You need to create a rule in an HPE Aruba Networking ClearPass Policy Manager (CPPM) role mapping policy that references a ClearPass Device Insight Tag.
Which Type (namespace) should you specify for the rule?
Answer: D
Explanation:
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.
NEW QUESTION # 140
What information can admins view in an AOS-CX switch's Analytics Dashboard?
Answer: D
Explanation:
The AOS-CX Analytics Dashboard is associated with the Network Analytics Engine. NAE agents monitor specific switch conditions, resources, traffic patterns, and events. When an NAE agent detects a defined condition, it can generate alerts and collect diagnostic information. Therefore, the Analytics Dashboard is the place to view alerts triggered by deployed NAE agents. It is not primarily a client authentication dashboard, so authentication status, role, and UBT state are not the best answer. TACACS+ and RADIUS events are normally reviewed through AAA logs, ClearPass, or syslog. Debugging information since reboot is also not the dashboard's purpose.
The dashboard is specifically for analytics and alerting generated by NAE monitoring.
NEW QUESTION # 141
A company has AOS-CX switches. The company wants to make it simpler and faster for admins to detect denial of service (DoS) attacks, such as ping or ARP floods, launched against the switches.
What can you do to support this use case?
Answer: A
Explanation:
Why Monitoring Control Plane Policing (CoPP) with an NAE Agent Is Effective for Detecting DoS Attacks
* Control Plane Policing (CoPP): AOS-CX switches use CoPP to protect the CPU from excessive traffic caused by DoS attacks (e.g., ARP floods, ICMP floods). CoPP enforces rate limits and drops malicious traffic at the control plane level.
* NAE (Network Analytics Engine) Agent:
* The NAE on AOS-CX switches can monitor CoPP counters in real time and trigger alerts if thresholds for certain traffic types (e.g., ICMP, ARP) are exceeded.
* Admins can use NAE to automate detection and respond faster to DoS attacks.
Analysis of Each Option
A: Deploy an NAE agent on the switches to monitor control plane policing (CoPP):
* Correct:
* NAE agents provide real-time visibility into CoPP behavior, helping detect DoS attacks more quickly.
* By analyzing CoPP statistics, the NAE can pinpoint abnormal traffic patterns and alert admins.
* This is the most efficient and scalable solution for this use case.
B: Configure the switches to implement RADIUS accounting to HPE Aruba Networking ClearPass and enable HPE Aruba Networking ClearPass Insight:
* Incorrect:
* While ClearPass can provide visibility into user authentication and device activity, it is not specifically designed to detect or mitigate DoS attacks against switches.
C: Implement ARP inspection on all VLANs that support end-user devices:
* Incorrect:
* ARP inspection helps mitigate ARP spoofing or poisoning, but it does not directly address detection of DoS attacks like ICMP or ARP floods.
* It is a preventative measure, not a detection tool.
D: Enabling debugging of security functions on the switches:
* Incorrect:
* Debugging logs can help troubleshoot specific issues but are not practical for real-time detection of DoS attacks.
* Enabling debugging can overload the switch and is not suitable for proactive monitoring.
Final Recommendation
Deploying an NAE agent to monitor CoPP is the best solution because it provides real-time detection, alerting, and insights into traffic patterns that indicate DoS attacks.
References
* AOS-CX Network Analytics Engine (NAE) Configuration Guide.
* HPE Aruba AOS-CX Control Plane Policing Documentation.
* Best Practices for Protecting Switches Against DoS Attacks in Aruba Networks.
NEW QUESTION # 142
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