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| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting and Optimization | 4% | - Security feature troubleshooting - Performance and security optimization |
| Endpoint Visibility and Posture Assessment | 8% | - Posture validation and remediation - Device classification and profiling - BYOD and onboarding solutions |
| Security Terminology and Zero Trust Framework | 26% | - Zero Trust architecture and Aruba ESP - Network security concepts and threats - Security policies and compliance |
| ClearPass Policy Manager Advanced Configuration | 15% | - Certificate management and PKI integration - Cluster design and high availability - REST API, OAuth and external systems integration |
| Secure WAN and Edge Security | 7% | - IPsec and secure tunneling - ZTNA and Security Service Edge (SSE) - Edge security and remote access |
| Threat Detection and Incident Response | 9% | - Threat analysis and forensics - Alerts and mitigation workflows - Security monitoring and event correlation |
| Secure Wired AOS-CX Infrastructure | 19% | - Dynamic segmentation and group-based policy - Wired authentication and access control - Device hardening and secure management |
| Secure WLAN Implementation | 12% | - WLAN authentication methods (802.1X, EAP, MPSK) - AAA integration with ClearPass Policy Manager - Secure mobility and role-based access |
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問題 #11
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?
答案：B
解題說明：
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.
問題 #12
HPE Aruba Networking ClearPass Device Insight (CPDI) could not classify some endpoints using system and user rules. Using machine learning, it did assign those endpoints to a cluster and discover a recommendation. In which of these circumstances does CPDI automatically classify the endpoints based on that recommendation?
答案：C
解題說明：
HPE Aruba Networking ClearPass Device Insight (CPDI) uses machine learning to assign endpoints to clusters and provide classification recommendations. For CPDI to automatically classify endpoints, specific thresholds of confidence and supporting classified devices must be met.
The generally required thresholds are:
Minimum Confidence Level: Typically, CPDI requires a recommendation confidence level of at least 95%.
Minimum Supporting Devices: CPDI needs a cluster to include at least 10 classified devices to ensure the recommendation is statistically meaningful.
問題 #13
A company has several use cases for using its AOS-CX switches' HPE Aruba Networking Network Analytics Engine (NAE).
What is one guideline to keep in mind as you plan?
答案：C
解題說明：
The Network Analytics Engine (NAE) in AOS-CX switches provides intelligent monitoring, troubleshooting, and performance analysis through predefined or custom scripts. Here's an analysis of the guidelines for NAE:
A: Each switch model has a maximum number of supported monitors, and one agent might have multiple monitors.
* Correct:
* Each AOS-CX switch model has hardware and software limitations, including the number of agents and monitors it supports.
* Monitors are data collection points for tracking specific metrics like interface statistics, CPU usage, or custom-defined parameters.
* Agents are scripts that use monitors to evaluate data, trigger actions, or generate alerts.
* Since one agent can have multiple monitors, the total number of monitors might impact the scalability of agents.
B: You can install multiple scripts on a switch, but you can deploy only one agent per script.
* Incorrect:
* Multiple agents can be deployed from the same script if they monitor different parameters or have different configurations.
* The limitation is usually related to the total number of agents and monitors supported by the switch model, not the script itself.
C: The switch will permit you to deploy as many NAE agents as you want, but they might degrade the switch functionality.
* Incorrect:
* AOS-CX enforces hardware and software limits on the number of agents and monitors. These limits are designed to prevent degradation of switch performance.
* You cannot deploy an unlimited number of agents, as the system enforces these restrictions.
D: When you use custom scripts, you can create as many agents from each script as you want.
* Incorrect:
* While you can use custom scripts to create agents, the total number of agents is subject to the switch's maximum supported limits.
* The scalability of agents is still bound by hardware and software constraints, even with custom scripts.
References
* HPE Aruba AOS-CX Network Analytics Engine Configuration Guide.
* Aruba AOS-CX Switch Series Technical Specifications.
* Best Practices for NAE Deployment in AOS-CX Networks.
問題 #14
You have created a Web-based Health Check Service that references a posture policy. You want the service to trigger a RADIUS change of authorization (CoA) when a client receives a Healthy or Quarantine posture.
Where do you configure those rules?
答案：D
解題說明：
* RADIUS Change of Authorization (CoA):
* CoA is triggered when ClearPass determines that a client's posture status has changed (e.g., Healthy, Quarantine).
* The RADIUS enforcement policy is where you configure actions and enforcement profiles that respond to these posture changes.
* Option Analysis:
* Option A: Correct. RADIUS enforcement policies are used to configure actions, including triggering CoA.
* Option B: Incorrect. OnGuard settings configure posture agent behavior, not enforcement rules.
* Option C: Incorrect. The posture policy evaluates compliance but does not trigger CoA.
* Option D: Incorrect. WEBAUTH enforcement policies are for web-based authentication, not posture-related CoA.
問題 #15
You are establishing a cluster of HPE Aruba Networking ClearPass servers. (Assume that they are running version 6.9.).
For which type of certificate is it recommended to install a CA-signed certificate on the Subscriber before it joins the cluster?
答案：A
解題說明：
When setting up a ClearPass cluster, it is critical to ensure secure communication between the cluster nodes and the client devices. For this purpose, certain certificates must be properly configured.
1. Why HTTPS Requires a CA-Signed Certificate?
HTTPS communication is used for inter-cluster communication and for the web-based user interface that administrators use to manage the ClearPass cluster.
Before joining the cluster, it is strongly recommended to install a CA-signed HTTPS certificate on the Subscriber to ensure secure communication and prevent warnings/errors due to untrusted certificates.
Without a CA-signed certificate, the Subscriber might use a self-signed certificate, leading to security risks and lack of trust validation.
2. Analysis of Other Certificate Types
B). Database:
Incorrect: Database communications within ClearPass clusters are secured using internal certificates or keys.
These are not user-facing and do not require a CA-signed certificate before joining the cluster.
C). RADIUS/EAP:
Incorrect: RADIUS/EAP certificates are important for client authentication, but they are not required on the Subscriber prior to cluster joining. These can be configured after the Subscriber is part of the cluster.
D). RadSec:
Incorrect: RadSec is an optional feature for secure RADIUS communication over TLS, and its certificate configuration is typically performed post-cluster setup.
Final Recommendation
To ensure secure cluster operations and seamless web-based management, a CA-signed HTTPS certificate should be installed on the Subscriber before it joins the ClearPass cluster.
References
ClearPass Deployment Guide for Version 6.9.
Best Practices for Certificate Management in ClearPass Clusters.
HPE Aruba ClearPass Cluster Configuration Guide.
問題 #16
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