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| Section | Weight | Objectives |
|---|---|---|
| Secure Wired AOS-CX Infrastructure | 19% | - Dynamic segmentation and group-based policy - Device hardening and secure management - Wired authentication and access control |
| Secure WAN and Edge Security | 7% | - ZTNA and Security Service Edge (SSE) - Edge security and remote access - IPsec and secure tunneling |
| Troubleshooting and Optimization | 4% | - Security feature troubleshooting - Performance and security optimization |
| ClearPass Policy Manager Advanced Configuration | 15% | - Cluster design and high availability - REST API, OAuth and external systems integration - Certificate management and PKI integration |
| Security Terminology and Zero Trust Framework | 26% | - Security policies and compliance - Network security concepts and threats - Zero Trust architecture and Aruba ESP |
| Endpoint Visibility and Posture Assessment | 8% | - BYOD and onboarding solutions - Posture validation and remediation - Device classification and profiling |
| Secure WLAN Implementation | 12% | - WLAN authentication methods (802.1X, EAP, MPSK) - Secure mobility and role-based access - AAA integration with ClearPass Policy Manager |
| Threat Detection and Incident Response | 9% | - Alerts and mitigation workflows - Security monitoring and event correlation - Threat analysis and forensics |
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NEW QUESTION # 149
You have configured an AOS-CX switch to use UBT with a UBT reserved VLAN. Some wired clients will be assigned to a role with this configuration:
port-access role contractors
gateway zone myzone gateway-role contractors-gw
You want to assign these clients to VLAN 42.
Where do you configure that VLAN assignment?
Answer: B
Explanation:
With User-Based Tunneling and a reserved VLAN, the access switch does not locally place the client into the final user VLAN. Instead, the switch assigns the client to a port-access role that specifies the gateway zone and gateway role. The traffic is tunneled to the gateway, and the gateway role then applies the client's policy and VLAN assignment. Since VLAN 42 is the client VLAN for the tunneled role, it must be configured in the contractors-gw role on the gateway. It should not be configured on intermediate links or access switch client- facing ports. Configuring it in the switch role would be appropriate for local forwarding, but this scenario uses UBT with gateway-based role enforcement.
NEW QUESTION # 150
You manage AOS-10 APs with HPE Aruba Networking Central. A role is configured on these APs with these rules (in order):
* Allow UDP on port 67 to any destination
* Allow any to network 10.1.4.0/23
* Deny any to network 10.1.0.0/18 + log
* Deny any to network 10.0.0.0/8
* Allow any to any destination
You add this new rule immediately before rule 4:
* Deny SSH to network 10.1.0.0/21 + denylist
After this change, what happens when a client assigned to this role sends SSH traffic to 10.1.7.12?
Answer: C
Explanation:
Aruba firewall / role access rules are evaluated top-down, first-match wins; once a rule matches, no later rules are processed.
Let's walk the packet through the ordered rules:
* The traffic is SSH, not UDP/67 # rule 1 does not match.
* Destination 10.1.7.12 is not in 10.1.4.0/23 # rule 2 does not match.
* 10.1.7.12 is in 10.1.0.0/18 # rule 3 matches first.
* Rule 3 action: Deny any to 10.1.0.0/18 + log.
* Because rule 3 already matched, the later "Deny SSH to 10.1.0.0/21 + denylist" rule is never evaluated, so no denylist is applied.
Aruba documentation for session ACLs and firewall rules explicitly states that rules are evaluated from top to bottom and "the first match terminates further evaluation," and logging/denylist flags on a rule are applied only when that specific rule matches.
So the outcome is: the SSH traffic is dropped and logged, but the client is not denylisted # Option B.
NEW QUESTION # 151
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?
Answer: D
Explanation:
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.
NEW QUESTION # 152
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: D
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 # 153
A security team needs to track a device's communication patterns and identify patterns such as how many destinations the device is accessing.
Which Aruba solution can show this information at a glance?
Answer: D
Explanation:
Explanation:HPE Aruba Networking ClearPass Device Insight (CPDI) can show detailed information about a device's communication patterns, including how many destinations the device is accessing. CPDI provides comprehensive visibility into the behavior and activity of devices on the network, allowing the security team to track and analyze communication patterns at a glance.
This information is critical for identifying anomalies and potential security threats.
NEW QUESTION # 154
......
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