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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Endpoint Visibility and Posture Assessment | 8% | - Device classification and profiling - Posture validation and remediation - BYOD and onboarding solutions |
| Topic 2: Secure Wired AOS-CX Infrastructure | 19% | - Dynamic segmentation and group-based policy - Device hardening and secure management - Wired authentication and access control |
| Topic 3: Troubleshooting and Optimization | 4% | - Performance and security optimization - Security feature troubleshooting |
| Topic 4: Threat Detection and Incident Response | 9% | - Security monitoring and event correlation - Threat analysis and forensics - Alerts and mitigation workflows |
| Topic 5: ClearPass Policy Manager Advanced Configuration | 15% | - REST API, OAuth and external systems integration - Cluster design and high availability - Certificate management and PKI integration |
| Topic 6: Secure WAN and Edge Security | 7% | - Edge security and remote access - IPsec and secure tunneling - ZTNA and Security Service Edge (SSE) |
| Topic 7: Secure WLAN Implementation | 12% | - WLAN authentication methods (802.1X, EAP, MPSK) - AAA integration with ClearPass Policy Manager - Secure mobility and role-based access |
| Topic 8: Security Terminology and Zero Trust Framework | 26% | - Security policies and compliance - Network security concepts and threats - Zero Trust architecture and Aruba ESP |
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NEW QUESTION # 116
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: B
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 # 117
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: B
Explanation:
When you have created a rule in a ClearPass Policy Manager (CPPM) service's enforcement policy to quarantine devices with endpoint conflicts, it is important to consider whether the company has devices that use PXE boot. PXE booting devices can create conflicts in the profiler because they may temporarily have different network attributes (e.g., MAC address or IP address) before fully booting and obtaining their final configuration. Understanding whether PXE boot is in use can help determine if profiler parameters need to be adjusted to ignore such temporary conflicts, ensuring that devices are not incorrectly quarantined.
Reference: ClearPass profiler configuration documentation and best practices include considerations for handling network devices with dynamic or temporary configurations, such as those using PXE boot.
NEW QUESTION # 118
A company has HPE Aruba Networking APs managed by HPE Aruba Networking Central. You have set up a WLAN to enforce WPA3 with 802.1X authentication.
What happens if the client fails authentication?
Answer: A
Explanation:
When WPA3 with 802.1X authentication is enforced on an HPE Aruba Networking WLAN, the authentication process strictly adheres to security standards. Here's how the process works:
1. 802.1X Authentication Workflow in WPA3
The client must provide valid credentials (such as certificates or username/password) to authenticate with the RADIUS server via 802.1X.
If the client fails authentication (e.g., due to invalid credentials or lack of proper configuration), the 802.1X handshake fails, and the AP terminates the connection.
2. Role Assignment in WLANs
Default Role: The role assigned to authenticated clients after a successful 802.1X authentication. It is not applied to unauthenticated clients.
Critical Role: This is a fallback role applied when there are issues communicating with the RADIUS server, not when authentication fails.
Initial Role: A temporary role assigned to clients before authentication completes. However, this role is removed once the authentication process determines failure.
3. Behavior Upon Authentication Failure
In the case of an authentication failure, the client does not get assigned to any role (default, critical, or initial) because it does not meet the conditions for network access.
The client is dropped immediately, and no further communication is allowed until reauthentication is attempted.
Explanation of Each Option
A). The AP assigns the client to the WLAN ' s default role:
Incorrect: The default role applies only after successful authentication, not in case of authentication failure.
B). The AP drops the client because authentication aborts:
Correct: If the client fails authentication, the AP terminates the connection without assigning any roles.
C). The AP assigns the client to the WLAN ' s critical role:
Incorrect: The critical role is used when the AP cannot reach the RADIUS server, not when authentication fails.
D). The AP assigns the client to the WLAN ' s initial role:
Incorrect: The initial role is applied during the authentication process, but it is not retained after a failed authentication.
References
Aruba Central WLAN Configuration Guide.
WPA3 and 802.1X Authentication Best Practices in Aruba Networks.
Aruba AP Role Assignment Workflow Documentation.
NEW QUESTION # 119
Which issue can an HPE Aruba Networking Secure Web Gateway (SWG) solution help customers address?
Answer: D
Explanation:
An HPE Aruba Networking Secure Web Gateway (SWG) is designed to provide secure internet access by monitoring and controlling web traffic. It primarily focuses on protecting users from malicious content and ensuring compliance with corporate security policies, particularly for hybrid and remote workers.
Explanation of Each Option
A: The organization needs a faster way to quarantine clients that have generated threats, as detected by third-party firewalls.
* Incorrect:
* Quarantining clients based on detected threats is typically managed by endpoint detection and response (EDR) solutions or next-generation firewalls (NGFWs).
* While an SWG can monitor and block risky web activity, it does not manage threat quarantine actions directly.
B: Hybrid workers are exposing their computers to risky internet sites and infection by malware when they work from home.
* Correct:
* SWGs monitor and control web traffic to block malicious websites and prevent exposure to malware.
* They enforce web usage policies even when users work remotely, protecting against phishing, drive-by downloads, and other web-based threats.
* With the proliferation of hybrid work environments, an SWG ensures that users are protected from risky sites regardless of their location.
C: Remote workers need access to private data center applications without exposing those applications to unauthorized users.
* Incorrect:
* This use case falls under secure access service edge (SASE) solutions with Zero Trust Network Access (ZTNA), not an SWG.
* ZTNA focuses on granting secure, conditional access to applications, while SWGs focus on internet traffic security.
D: The organization currently has no way to prevent users from exfiltrating sensitive data from SaaS applications.
* Incorrect:
* Data loss prevention (DLP) tools or cloud access security brokers (CASBs) are designed for monitoring and preventing data exfiltration from SaaS applications.
* While SWGs can block access to specific websites or categories, they do not offer advanced DLP capabilities for SaaS environments.
References
* Aruba Secure Web Gateway Documentation.
* HPE Aruba SASE Solutions Guide.
* Best Practices for Hybrid Workforce Security with Aruba SWG.
NEW QUESTION # 120
Refer to Exhibit:
An HPE Aruba Networking 9x00 gateway is part of an HPE Aruba Networking Central group that has the settings shown in the exhibit. What would cause the gateway to drop traffic as part of its IDPS settings?
Answer: B
Explanation:
1. IDPS Mode Configuration Overview
The exhibit shows the HPE Aruba Networking Central settings for the Gateway IDS/IPS configuration:
Mode: Configured for Intrusion Prevention System (IPS), meaning that the gateway actively blocks traffic identified as threats.
Fail Strategy: Configured to Block, meaning that if the gateway cannot determine the traffic ' s nature due to a system issue, it will block the traffic.
Ruleset: The gateway uses a predefined set of intrusion detection/prevention rules (ruleset version 9861), which is updated automatically every day.
2. Traffic Evaluation in IPS Mode
In IPS mode, the gateway analyzes traffic against the active ruleset:
If traffic matches a rule in the ruleset and is deemed malicious, the gateway will drop the traffic as part of its prevention mechanism.
The ruleset defines specific conditions (e.g., signatures of known attacks, protocol anomalies) under which traffic should be blocked.
3. Explanation of Each Option
A). Its site-to-site VPN connections failing:
Incorrect:
Site-to-site VPN connection issues do not directly trigger traffic drops under IDPS settings.
IDPS is focused on detecting and preventing malicious activity, not general connectivity issues.
B). Traffic matching a rule in the active ruleset:
Correct:
In IPS mode, the gateway drops traffic that matches any predefined rules in the active ruleset.
For example, if traffic matches the signature of a known exploit or attack, it is immediately blocked.
C). Its IDPS engine failing:
Incorrect:
The fail strategy determines how the gateway behaves in the event of an IDPS engine failure.
In this case, the fail strategy is set to Block, but this applies only if the engine itself fails, not as a proactive traffic drop mechanism.
D). Traffic showing anomalous behavior:
Incorrect:
While anomalous behavior may be logged or flagged, it does not necessarily lead to traffic drops unless it matches a specific rule in the active ruleset.
Anomaly detection alone is not sufficient for IPS action without explicit rule matches.
Final Outcome:
Traffic is dropped only when it matches a rule in the active ruleset, ensuring targeted prevention of malicious activity.
References
Aruba Gateway IDS/IPS Configuration Guide.
Aruba Central Ruleset Management Documentation.
Best Practices for Configuring Fail Strategies in IPS Mode.
NEW QUESTION # 121
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