Free HP HPE7-A02 Practice Exam with Questions & Answers | Set: 2

Hub-Spoke VPN Configuration:

HPE Aruba Central SD-WAN Orchestrator enables hub-spoke topology where branch gateways (BGWs) connect to VPN concentrators (VPNCs) located at data centers.

A key step in configuring this is defining which VPNCs the BGWs will prefer for connectivity.

The DC Preference List is configured in the BGW groups to prioritize the data centers to which BGWs connect.

Option Analysis:

Option A: Incorrect. VPN pools control IP allocation, not which branches connect to VPNCs.

Option B: Incorrect. IKE policies define key exchange mechanisms but are not part of the connection preference process.

Option C: Correct. Admins configure a DC preference list in BGW groups to determine connectivity priorities with VPNCs.

Option D: Incorrect. IPsec policies define encryption parameters at a global level, but this is not specific to the hub-spoke connection configuration.

Why a Mirror Session Is the Correct Choice

To analyze a wired client’s traffic with Wireshark, you need the traffic mirrored to your management station where Wireshark is installed. The most effective way to achieve this is by configuring a mirror session on the AOS-CX switch, specifying the client port as the source and your management station as the destination.

Analysis of Each Option

A. Access the client ' s switch ' s CLI from your management station. Access the switch shell and run a TCP dump on the client port:

Incorrect:

AOS-CX switches do not natively support packet capture (e.g., tcpdump) directly on the switch CLI.

This approach is not feasible for capturing and analyzing live client traffic.

B. Go to the client ' s switch in HPE Aruba Networking Central. Use the " Security " page to run a packet capture:

Incorrect:

HPE Aruba Networking Central provides security insights but does not directly support initiating packet captures for detailed analysis.

Traffic analysis with tools like Wireshark requires local packet capture at the management station.

C. Set up a policy that implements a captive portal redirect to your management station. Apply that policy to the client ' s port:

Incorrect:

Captive portals are designed for user authentication and redirection, not traffic analysis.

This would disrupt the client’s network activity without enabling traffic analysis in Wireshark.

D. Set up a mirror session on the client ' s switch; set the client port as the source and your station IP address as the tunnel destination:

Correct:

Mirroring the client port to your management station is the standard method for analyzing live network traffic with Wireshark.

Steps include:

Configure a mirror session on the client’s AOS-CX switch.

Set the client’s port as the source.

Set your management station as the destination using its IP address (via GRE tunnel or physical interface).

Start capturing traffic with Wireshark on the management station.

Final Recommendation

To analyze the client ' s traffic, configure a mirror session on the switch, set the client port as the source, and direct the traffic to your management station where Wireshark is running.

References

AOS-CX Switch Port Mirroring Configuration Guide.

HPE Aruba Networking Central Monitoring and Troubleshooting Best Practices.

Wireshark Traffic Analysis and Capture Techniques.

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.

What is Zero Trust Security?

Zero Trust Security is a security model that operates on the principle of " never trust, always verify. "

It focuses on securing resources (data, applications, systems) and continuously verifying the identity and trust level of users and devices, regardless of whether they are inside or outside the network.

The primary aim is to reduce reliance on perimeter defenses and implement granular access controls to protect individual resources.

Analysis of Each Option

A. Companies must apply the same access controls to all users, regardless of identity:

Incorrect:

Zero Trust enforces dynamic and identity-based access controls, not the same static controls for everyone.

Users and devices are granted access based on their specific context, role, and trust level.

B. Companies that support remote workers cannot achieve zero trust security and must determine if the benefits outweigh the cost:

Incorrect:

Zero Trust is particularly effective for securing remote work environments by verifying and authenticating remote users and devices before granting access to resources.

The model is adaptable to hybrid and remote work scenarios, making this statement false.

C. Companies should focus on protecting their resources rather than on protecting the boundaries of their internal network:

Correct:

Zero Trust shifts the focus from perimeter security (traditional network boundaries) to protecting specific resources.

This includes implementing measures such as:

Micro-segmentation.

Continuous monitoring of user and device trust levels.

Dynamic access control policies.

The emphasis is on securing sensitive assets rather than assuming an internal network is inherently safe.

D. Companies can achieve zero trust security by strengthening their perimeter security to detect a wider range of threats:

Incorrect:

Zero Trust challenges the traditional reliance on perimeter defenses (firewalls, VPNs) as the sole security mechanism.

Strengthening perimeter security is not sufficient for Zero Trust, as this model assumes threats can already exist inside the network.

Final Explanation

Zero Trust Security emphasizes protecting resources at the granular level rather than relying on the traditional security perimeter, which makes C the most accurate description.

References

NIST Zero Trust Architecture Guide.

Zero Trust Principles and Implementation in Modern Networks by HPE Aruba.

" Never Trust, Always Verify " Framework Overview from Cybersecurity Best Practices.

When establishing a cluster of HPE Aruba Networking ClearPass servers, it is recommended to install a CA-signed certificate for HTTPS on the Subscriber before it joins the cluster. This ensures secure communication between the servers in the cluster and provides a trusted certificate for client connections.

1.HTTPS Security: A CA-signed certificate for HTTPS ensures that all web-based communication to and from the ClearPass server is encrypted and secure.

2.Cluster Communication: Secure communication between ClearPass nodes in the cluster is essential for synchronization and data integrity.

3.Client Trust: Clients accessing the ClearPass server will trust the CA-signed certificate, avoiding security warnings and ensuring smooth operations.

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.

For CPDI to assess Windows posture, it needs a method to collect host-level Windows information. WMI augmentation is the relevant method for collecting details from Windows domain clients. If multiple Windows 10 devices show unknown posture and no vulnerabilities, the issue is likely that CPDI is not receiving the required WMI-based information for those devices. CPPM integration can enrich identity and policy context, but it does not replace Windows posture data collection. SPAN traffic and Data Collector connectivity help CPDI observe network behavior, but they do not provide the same Windows endpoint posture detail as WMI. Therefore, the correct setting to check is whether a WMI augmentation method is attached to the subnet segments for those Windows devices.

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In HPE Aruba Networking ClearPass Device Insight (CPDI), a device with a Risk Score of 90 indicates that the posture is unhealthy, and CPDI has detected at least one vulnerability on the device. The risk score is a reflection of the device ' s security posture and detected vulnerabilities. A high risk score, such as 90, typically signifies significant security concerns, including the presence of vulnerabilities that could be exploited, thereby categorizing the device as a high-risk asset within the network.

To ensure that the AOS-CX switch properly assigns the " employees " role when using CPPM (ClearPass Policy Manager) as the RADIUS server, you should configure a RADIUS Enforcement profile on CPPM with the Aruba-User-Role VSA (Vendor-Specific Attribute) set to " employees " . This configuration ensures that when an endpoint authenticates, CPPM sends the appropriate role assignment to the AOS-CX switch, which then applies the corresponding policies and VLAN settings defined for the " employees " role.

The requirement describes split tunneling. Internet-bound traffic should remain local at the remote client, while traffic destined for corporate data center networks should traverse the VPN tunnel. In Aruba VIA, this behavior is configured in the VIA Connection Profile by enabling split tunneling and defining which destination networks should be tunneled. Adding the data center networks to the tunneled networks list ensures only those corporate routes are sent through the VPN. Firewall roles control access permissions after authentication, but they are not the primary place to define the VIA client’s split-tunnel routing behavior. VPN pools assign client IP addresses, not destination routing rules. Therefore, split tunneling in the VIA Connection Profile is the correct configuration.

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