正真正銘のHPE7-A02問題集で無料PDF問題で合格させる [Q36-Q53]

正真正銘のHPE7-A02問題集で無料PDF問題で合格させる

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質問 # 36
A company wants HPE Aruba Networking ClearPass Policy Manager (CPPM) to respond to Syslog messages from its Palo Alto Next Generation Firewall (NGFW) by quarantining clients involved in security incidents.
Which step must you complete to enable CPPM to process the Syslogs properly?

• A. Configure the Palo Alto as a context server on CPPM.
• B. Enable Insight and ingress event processing on the CPPM server.
• C. Install a Palo Alto Extension through ClearPass Guest.
• D. Configure CPPM to trust the root CA certificate for the NGFW.

正解：A

解説：
To enable HPE Aruba Networking ClearPass Policy Manager (CPPM) to process Syslog messages from a Palo Alto Next Generation Firewall (NGFW) and quarantine clients involved in security incidents, you need to configure the Palo Alto as a context server on CPPM. This setup allows CPPM to receive and understand the context of the Syslog messages sent by the Palo Alto NGFW, enabling it to take appropriate actions such as quarantining clients.
1.Context Server Configuration: Configuring the Palo Alto NGFW as a context server in CPPM ensures that CPPM can process and respond to Syslog messages effectively.
2.Security Incident Response: By understanding the context of the Syslog messages, CPPM can automatically trigger actions like client quarantine based on security incidents detected by the NGFW.
3.Integration: This integration enhances the overall security posture by enabling coordinated responses between the firewall and CPPM.

質問 # 37
A company has AOS-CX switches and HPE Aruba Networking APs, which run AOS-10 and bridge their SSIDs. Company security policies require 802.1X on all edge ports, some of which connect to APs.
How should you configure the auth-mode on AOS-CX switches?

• A. Configure all edge ports in device auth-mode.
• B. Configure all edge ports in client auth-mode.
• C. Leave all edge ports in device auth-mode and configure client auth-mode in the AP role.
• D. Leave all edge ports in client auth-mode and configure device auth-mode in the AP role.

正解：B

解説：
For a company with AOS-CX switches and HPE Aruba Networking APs running AOS-10, where 802.1X authentication is required on all edge ports, you should configure all edge ports in clientauth-mode. This mode ensures that each client connecting through the APs is authenticated individually, maintaining the security policy requirements for 802.1X authentication on all connections.

質問 # 38
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?

• A. Implement ARP inspection on all VLANs that support end-user devices.
• B. Configure the switches to implement RADIUS accounting to HPE Aruba Networking ClearPass and enable HPE Aruba Networking ClearPass Insight.
• C. Deploy an NAE agent on the switches to monitor control plane policing (CoPP).
• D. Enabling debugging of security functions on the switches.

正解：C

解説：
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.

質問 # 39
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?

• A. HPE Aruba Networking ClearPass Insight Endpoints and Network Dashboards
• B. HPE Aruba Networking ClearPass Policy Manager (CPPM) live monitoring Access Tracker
• C. HPE Aruba Networking ClearPass Device Insight (CPDI) under a device's network activity
• D. AOS-CX Analytics Dashboard using the system-installed NAE agent

正解：C

解説：
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.

質問 # 40
HPE Aruba Networking Central displays an alert about an Infrastructure Attack that was detected.
You go to the Security > RAPIDS events and see that the attack was "Detect adhoc using Valid SSID." What is one possible next step?

• A. Make sure that you have tuned the threshold for that check as false positives are common for it.
• B. Make sure that clients have updated drivers, as faulty drivers are a common explanation for this attack type.
• C. Use HPE Aruba Networking Central floorplans or the detecting AP identities to locate the general area for the threat.
• D. Look for the IP address associated with the offender and then check for that IP address among HPE Aruba Networking Central clients.

正解：C

解説：
* RAPIDS Ad-Hoc Detection:
* The alert "Detect ad-hoc using Valid SSID" indicates that a device is broadcasting an SSID that matches a valid network SSID in ad-hoc mode. This can be an indication of an infrastructure attack or misconfiguration.
* Next Steps:
* Use Aruba Central floorplans or AP location data to identify the physical area where the offending device is detected.
* Locate and investigate the device to determine if it is malicious or simply misconfigured.
* Option Analysis:
* Option A: Incorrect. While tuning thresholds is useful for reducing false positives, this step does not directly address a potential threat.
* Option B: Incorrect. Faulty drivers can cause similar behavior, but this step is not immediately actionable without locating the device first.
* Option C: Correct. Floorplans or AP identities help locate the threat's physical area for further investigation.
* Option D: Incorrect. RAPIDS focuses on detecting devices via SSID and MAC, not IP addresses, making this approach less relevant.

質問 # 41
You need to use "Tips:Posture" conditions within an 802.1X service's enforcement policy.
Which guideline should you follow?

• A. Enable profiling in the service's general settings.
• B. Create rules that assign postures in the service's role mapping policy.
• C. Select the Posture Policy type for the service's enforcement policy.
• D. Enable caching roles and posture attributes from previous sessions in the service's enforcement settings.

正解：D

解説：
When using "Tips
" conditions within an 802.1X service's enforcement policy, you should enable caching roles and posture attributes from previous sessions in the service's enforcement settings. This ensures that ClearPass retains posture information from previous authentications, which is necessary for making decisions based on the current posture state of an endpoint. By caching these attributes, ClearPass can apply appropriate enforcement actions based on the device's posture status.

質問 # 42
A company has HPE Aruba Networking APs (AOS-10), which authenticate clients to HPE Aruba Networking ClearPass Policy Manager (CPPM). CPPM is set up to receive a variety of information about clients' profile and posture. New information can mean that CPPM should change a client's enforcement profile.
What should you set up on the APs to help the solution function correctly?

• A. In the security settings, configure dynamic denylisting.
• B. In the RADIUS server settings for CPPM, enable querying the authentication status.
• C. In the WLAN profiles, enable interim RADIUS accounting.
• D. In the RADIUS server settings for CPPM, enable Dynamic Authorization.

正解：D

解説：
To ensure that HPE Aruba Networking APs (AOS-10) properly interact with HPE Aruba Networking ClearPass Policy Manager (CPPM) and dynamically update a client's enforcement profile based on new profile and posture information, you should enable Dynamic Authorization in the RADIUSserver settings for CPPM. This allows ClearPass to send Change of Authorization (CoA) requests to the APs, prompting them to reapply the appropriate enforcement profiles based on updated information.
1.Dynamic Authorization: Enabling this feature allows ClearPass to dynamically push changes to the APs whenever there is new relevant information about a client's profile or posture.
2.Change of Authorization (CoA): This mechanism ensures that clients are assigned the correct enforcement profiles in real-time, based on the latest data.
3.Enhanced Policy Enforcement: This setup helps in maintaining accurate and up-to-date policy enforcement for clients on the network.

質問 # 43
What is one use case for implementing user-based tunneling (UBT) on AOS-CX switches?

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

正解：D

解説：
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.

質問 # 44
A company is using HPE Aruba Networking ClearPass Device Insight (CPDI) (the standalone application).
You have identified a device, which is currently
classified as one type, but you want to classify it as a custom type. You also want to classify all devices with similar attributes as this type, both already-discovered devices and new devices discovered later.
What should you do?

• A. In the device details, select filter, create a user tag based on the device attributes, and save the tag.
• B. Create a user rule from the Generic Devices page, select the desired attributes for the rule, and choose
  "Save."
• C. In the device details, select reclassify, create a user rule based on its attributes, and choose "Save & Reclassify."
• D. Create a user tag from the Generic Devices page, select the desired attributes for the tag, and save the tag.

正解：C

解説：
When using HPE Aruba Networking ClearPass Device Insight (CPDI) and you need to reclassify a device to a custom type and apply this classification to all devices with similar attributes, both already discovered and newly discovered, you should follow these steps:
1.Navigate to the device details in CPDI.
2.Select the option to reclassify the device.
3.Create a user rule based on the desired attributes of the device.
4.Choose the "Save & Reclassify" option.
This process ensures that the device is reclassified according to the new custom type and that the rule is applied to all existing and future devices with matching attributes, maintaining consistent classification across the network.

質問 # 45
You are configuring the HPE Aruba Networking ClearPass Device Insight Integration settings on ClearPass Policy Manager (CPPM). For which use case should you set the 'Tag Updates Action" to " apply for all tag updates"?

• A. When the Device Insight integration poll interval is set to a relatively long interval but you still want CPPM to be informed quickly about devices' new tags.
• B. When Device Insight tags are only used to identify dangerous devices, and you want to disconnect those devices without having to set up new rules in enforcement policies.
• C. When you plan to have CPPM issue CoAs for clients with new tags, but do not want to have to list those specific tags in the Device Integration settings in advance.
• D. When CPPM is gathering posture information for CPDI, and you want CPDI to always have access to the most up-to-date information.

正解：C

解説：
* Tag Updates Action - "Apply for All Tag Updates":
* This setting ensures that all updated tags from Device Insight (CPDI) are applied dynamically.
* It is particularly useful when you want to trigger Change of Authorization (CoA) without explicitly predefining the tag values.
* Option D: Correct. This setting allows CPPM to issue CoAs automatically for updated tags without requiring prior configuration of specific tags.
* Option A: Incorrect. The setting is not directly related to reducing the poll interval latency.
* Option B: Incorrect. Disconnecting devices based on dangerous tags would require predefined enforcement rules.
* Option C: Incorrect. Posture information updates do not directly rely on this setting.

質問 # 46
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?

• A. Implement ARP inspection on all VLANs that support end-user devices.
• B. Configure the switches to implement RADIUS accounting to HPE Aruba Networking ClearPass and enable HPE Aruba Networking ClearPass Insight.
• C. Deploy an NAE agent on the switches to monitor control plane policing (CoPP).
• D. Enabling debugging of security functions on the switches.

正解：C

解説：
To support the detection of denial of service (DoS) attacks on AOS-CX switches, deploying an NAE (Network Analytics Engine) agent to monitor control plane policing (CoPP) is the best approach.NAE agents provide real-time analytics and monitoring capabilities, allowing administrators to detect anomalies and potential DoS attacks, such as ping or ARP floods, more quickly and efficiently. Control plane policing helps protect the switch's CPU from unnecessary or malicious traffic, and the NAE agent can alert administrators when thresholds are exceeded, providing a proactive measure to detect and mitigate DoS attacks.

質問 # 47
What is one use case that companies can fulfill using HPE Aruba Networking ClearPass Policy Manager's (CPPM's) Device Profiler?

• A. Leveraging artificial intelligence to more accurately identify Internet of Things (loT) devices
• B. Quarantining devices that do not have the required antivirus software installed on them
• C. Assigning different AOS firewall roles to users on computers and the same users on smartphones
• D. OIdentifying device security vulnerabilities by CVE ID and receiving remediation recommendations

正解：A

解説：
One use case that companies can fulfill using HPE Aruba Networking ClearPass Policy Manager's (CPPM's) Device Profiler is leveraging artificial intelligence to more accurately identify Internet of Things (IoT) devices. ClearPass Device Profiler uses AI and machine learning to analyze network traffic and device behavior, providing detailed and accurate identification of IoT devices on thenetwork. This helps in managing and securing diverse and numerous IoT devices by ensuring they are correctly profiled and assigned appropriate access policies.

質問 # 48
A port-access role for AOS-CX switches has this policy applied to it:
plaintext
Copy code
port-access policy mypolicy
10 class ip zoneC action drop
20 class ip zoneA action drop
100 class ip zoneB
The classes have this configuration:
plaintext
Copy code
class ip zoneC
10 match tcp 10.2.0.0/16 eq https
class ip zoneA
10 match ip any 10.1.0.0/16
class ip zoneB
10 match ip any 10.0.0.0/8
The company wants to permit clients in this role to access 10.2.12.0/24 with HTTPS. What should you do?

• A. Add this rule to zoneA: 5 ignore tcp any 10.2.12.0/24 eq https
• B. Add this rule to zoneB: 5 match tcp any 10.2.12.0/24 eq https
• C. Add this rule to zoneC: 5 match any 10.2.12.0/24 eq https
• D. Add this rule to zoneC: 5 ignore tcp any 10.2.12.0/24 eq https

正解：C

解説：
Comprehensive Detailed Explanation
* The requirement is to permit HTTPS traffic from clients to the 10.2.12.0/24 subnet.
* ZoneC is configured to drop all HTTPS traffic to the 10.2.0.0/16 subnet. Therefore, the first match in the zoneC class (priority 10) will drop the desired traffic.
* To override this behavior, you must add a higher-priority rule (lower rule number) to zoneC that explicitly matches 10.2.12.0/24 and permits the traffic.
Thus, adding the rule 5 match any 10.2.12.0/24 eq https to zoneC ensures the desired traffic is permitted while maintaining the drop behavior for the rest of 10.2.0.0/16.
References
* AOS-CX Role-Based Access Control documentation.
* Understanding class priority and policy rule ordering in AOS-CX.

質問 # 49
Which statement describes Zero Trust Security?

• A. Companies that support remote workers cannot achieve zero trust security and must determine if the benefits outweigh the cost.
• B. Companies should focus on protecting their resources rather than on protecting the boundaries of their internal network.
• C. Companies must apply the same access controls to all users, regardless of identity.
• D. Companies can achieve zero trust security by strengthening their perimeter security to detect a wider range of threats.

正解：B

解説：
Zero Trust Security is a security model that operates on the principle that no entity, whether inside or outside the network, should be trusted by default. Instead, every access request is thoroughly verified before granting access to resources. This model emphasizes protecting resources rather than merely securing the network perimeter, acknowledging that threats can originate both inside and outside the network.
1.Resource Protection: Zero Trust focuses on securing individual resources, assuming that threats can bypass traditional perimeter defenses.
2.Verification: Every access request is authenticated and authorized regardless of the source, ensuring that only legitimate users can access sensitive resources.
3.Modern Security Approach: This model aligns with the evolving threat landscape where insider threats and advanced persistent threats are common.

質問 # 50
A company has wired VolP phones, which transmit tagged traffic and connect to AOS-CX switches. The company wants to tunnel the phones' traffic to an HPE Aruba Networking gateway for applying security policies.
What is part of the correct configuration on the AOS-CX switches?

• A. VLANs assigned to the VolP phones configured on the switch uplinks
• B. A VXLAN VNI mapped to the VLAN assigned to the VolP phones
• C. UBT mode set to VLAN extend
• D. A UBT reserved VLAN set to a VLAN dedicated for that purpose

正解：D

解説：
To tunnel VoIP phone traffic from AOS-CX switches to an HPE Aruba Networking gateway, you need to configure a User-Based Tunneling (UBT) reserved VLAN on the switches. This VLAN is dedicatedfor tunneling purposes and ensures that the VoIP traffic is correctly identified and tunneled to the gateway where security policies can be applied.
1.UBT Configuration: Setting a UBT reserved VLAN ensures that the switch knows which VLAN to use for tunneling traffic to the gateway.
2.Traffic Tunneling: The reserved VLAN helps in segregating the VoIP traffic, ensuring it is handled securely and according to the configured policies at the gateway.
3.Policy Application: By tunneling the traffic, the gateway can apply advanced security policies to the VoIP traffic.

質問 # 51
HPE Aruba Networking Central displays an alert about an Infrastructure Attack that was detected. You go to the Security > RAPIDS events and see that the attack was "Detect adhoc using Valid SSID." What is one possible next step?

• A. Make sure that clients have updated drivers, as faulty drivers are a common explanation for this attack type.
• B. Use HPE Aruba Networking Central floorplans or the detecting AP identities to locate the general area for the threat.
• C. Look for the IP address associated with the offender and then check for that IP address among HPE Aruba Networking Central clients.
• D. Make sure that you have tuned the threshold for that check, as false positives are common for it.

正解：B

解説：
When HPE Aruba Networking Central detects an Infrastructure Attack, such as "Detect adhoc using Valid SSID," the next step is to locate the general area of the threat. You can use HPE ArubaNetworking Central floorplans or the identities of the detecting APs to pinpoint the approximate location of the adhoc network.
This allows you to physically investigate and address the source of the threat, ensuring that unauthorized or rogue networks are quickly identified and mitigated.

質問 # 52
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?

• A. RadSec
• B. Database
• C. RADIUS/EAP
• D. HTTPS

正解：D

解説：
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.

質問 # 53
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