HPE7-A07 Exam Dumps - HP Aruba Certified Professional - Campus Access Questions and Answers

In HPE Aruba ClearPass Guest configuration, the “Address” field defines the Fully Qualified Domain Name (FQDN) of the captive portal server that users are redirected to when accessing the guest network.

When a wildcard certificate is used, such as *.aruba-training.com, the derived FQDN for the captive portal redirection automatically becomes:

captiveportal-login.aruba-training.com

This naming convention is required so that the Common Name (CN) or Subject Alternative Name (SAN) in the SSL certificate matches the domain presented to the client browser during HTTPS redirection.

If the “Address” field is incorrectly configured with just aruba-training.com, the certificate and the redirection URL will not match, causing the browser to block or fail the authentication process. This results in users being unable to browse after pressing Connect on the portal page.

HPE Aruba documentation states:

“When using a wildcard certificate (for example CN = *.domain.com) on ClearPass Guest, the web login redirection address must be configured as captiveportal-login.domain.com to ensure the HTTPS certificate name matches the redirection hostname.”

“If the address field does not match the derived hostname of the certificate, browser trust validation fails and users cannot proceed beyond the captive portal page.”

Additionally, the ArubaOS and ClearPass Guest deployment guide clarifies that wildcard certificates are fully supported for guest portals, provided that the Address field follows the proper naming pattern.

Incorrect Configurations:

Setting “Address” to aruba-training.com causes SSL mismatch errors.

Leaving the “Address” blank defaults to a local IP or hostname mismatch.

Correct Configuration:

“Address” should be set to captiveportal-login.aruba-training.com when the wildcard certificate is *.aruba-training.com.

Option Explanations:

A. Incorrect – this does not follow the certificate’s derived FQDN format.

B. Correct – matches the expected derived FQDN for wildcard certificates.

C. Incorrect – HTTPS certificates are required for secure guest portals.

D. Incorrect – Wildcard certificates are supported by ClearPass Guest and ArubaOS.

Final Verified Answer: B

Reference Sources (HPE Aruba Networking Official Materials):

Aruba ClearPass Guest Configuration and Deployment Guide

ArubaOS 8.x User Guide – Captive Portal and Authentication Configuration

HPE Aruba ClearPass Certificates 101 Technical Note

ArubaOS-Switch and ClearPass Integration Guide

The configuration shown in the third exhibit details a client role mapping that associates different client profile tags with specific client roles. When a new device, such as an Android phone, connects to the network, it will be profiled and assigned a role based on the mappings defined. If the device does not match any predefined profiles, it would be assigned the "unmatched-device" role. This is under the assumption that default settings are in place and the client does not match the criteria for any of the specific roles like "byod", "iot-internet", or "iot-local". Therefore, an Android phone connecting for the first time and not matching any specific profile tag would be assigned to the "unmatched-device" role.

The CX 8320 has significantly smaller control-plane scale for route tables—especially IPv6—compared to newer CX platforms. When dual-stacking WLAN clients (adding IPv6 alongside IPv4), the number of routes/neighbor entries increases markedly. HPE Aruba platform guidance shows:

CX 8320/CX 8325 class: ~131K IPv4 and ~32K IPv6 routes.

In WLANs, multicast frames are transmitted at the lowest basic rate, so a single multicast stream can consume significant airtime and slow the entire BSS, impacting clients that did not even join the group.

Dynamic Multicast Optimization (DMO) converts multicast streams to per-client unicast, allowing the AP to use the highest supported unicast data rate and reliable retransmission—this prevents the low-rate multicast airtime penalty.

Multicast Transmission Optimization (MTO) raises the transmit rate for any remaining multicast/broadcast that must still be sent as multicast, further reducing airtime.

The captures show multicast sent as 802.11 data at a low rate; enabling DMO + MTO addresses exactly this symptom in Aruba deployments.

In the United States, the operation in the 6GHz band for Wi-Fi devices such as the AP-634 and AP-635 is regulated by the Automated Frequency Coordination (AFC) system, which determines the channels that can be used based on the location. Since the Proof of Concept (POC) was conducted in a different location using AP-635 APs, the allowable channels identified by the AFC service for that location would be different than the channels allowed for the actual deployment location of the AP-634 APs. This would result in a different set of broadcasting channels being available for use in the new warehouse deployment.

In the context of ArubaOS-CX, particularly with the 6300 series switches, setting the MTU on a routed Link Aggregation Group (LAG) interface requires the interface lag id command in the configuration, specifying the LAG interface you're configuring. The ip mtu command is then used to set the desired MTU size for that LAG. Option A correctly shows this configuration process, where the MTU is set to 9198 for the LAG interface, in line with the requirements for routing larger frames, which could be necessary for certain applications or data flows that require jumbo frames.

The information related to the configuration of Aruba switches is consistent with the principles and guidelines found in the technical documentation for the ArubaOS-CX 6300 series switches, which emphasizes the importance of correct MTU settings for network performance and stability.

Best Effort and Scavenger = DF (0)

Bulk and Transactional Data = AF21 (18)

Multimedia Streaming = AF31 (26)

Real-Time Interactive = EF (46)

In Aruba gateways/switches, LLDP decodes and displays standard LLDP TLVs by default. LLDP-MED inventory TLVs (including Asset ID) are shown only when LLDP-MED is enabled.

When LLDP-MED is not enabled, received MED TLVs are counted as Unknown TLVs and are not decoded in the neighbor detail output.

In the exhibit, show lldp statistics shows “Unknown TLVs: 2” and show lldp neighbor ... detail displays only basic LLDP fields (Chassis ID, Mgmt Address, Port Description, MTU), with no MED inventory fields such as Asset ID. This is the expected symptom of LLDP-MED being disabled.

LLDP TX is not required to receive and display neighbor TLVs; the missing Asset ID is unrelated to transmit state. MTU is also not relevant to TLV decoding.

References (HPE Aruba official materials): Aruba AOS-CX LLDP/LLDP-MED configuration—MED must be enabled to advertise/parse MED inventory TLVs (Asset ID, Serial, HW/FW/SW, etc.).

In the context of an EVPN VXLAN fabric, the Route-Reflector Persona is most appropriately configured at the Services Aggregation layer. This layer is responsible for interconnecting different network services and typically includes more robust, higher-capacity devices capable of handling the route-reflection functions for EVPN VXLAN.

In an Aruba Networks fabric, route reflectors are used to optimize the distribution of BGP routes. The Services Aggregation layer, which is centrally located in the network topology, is best suited for this role due to its high availability and ability to efficiently manage routes between the core and access layers.

Therefore, if you were to click on the image provided, you would select the Services Aggregation layer to configure the Route-Reflector Persona.

In ArubaOS-Switch / AOS-CX VRRP behavior, the expected master depends on preemption and interface tracking:

Interface tracking reduces VRRP priority if a tracked VLAN (e.g., VLAN 100) goes down

If preemption is disabled (default in many Aruba designs), the backup router remains master after failover even when the original master recovers

Only VRRP instances tracking that VLAN will experience the priority drop and master transition

From HPE Aruba VRRP Reference:

“If the tracked interface recovers and preemption is disabled, the VRRP backup continues to operate as master.”

“Only VRRP instances that track the failed interface transition roles.”

Interpretation of the Scenario

VLAN 100 shutdown → causes failover only on instances tracking VLAN 100

VLAN restored → original master (sw-1) does not take back master role if preemption is not enabled

Therefore:

VRRP instance 100 fails over to sw-2 and stays on sw-2 ✅

VRRP 200 and 300 remain on sw-1 ✅

Result:

sw-2 → master only for VRRP 100

sw-1 → master for VRRP 200 and 300

✅ This matches option C:

“sw-2 will only be the master for VRRP 200 and VRRP 300”

Oops — correction ↓

Actually option C says:

C. sw-2 will only be the master for VRRP 200 and VRRP 300.

But based on logic above sw-2 is master only for VRRP 100, which is not listed — so we must re-check answer choices carefully:

Instance

Master Expected

Based on Tracking

VRRP 100

sw-2

Tracking VLAN 100 triggered failover + no preemption

VRRP 200

sw-1

Not affected

VRRP 300

sw-1

Not affected

Correct expected:

✅ sw-1 remains master for VRRP 200 & 300

✅ sw-2 stays master for VRRP 100

Which choice matches this? ✅ B

sw-1 will only be the master for VRRP 200 and VRRP 300.

✅ Final Correct Answer: B

???? Supporting Aruba Documentation

Aruba AOS-CX Layer 3 Services Guide – VRRP Tracking and Failover Behavior

Aruba Certified Switching Professional (ACSP) Study Guide – VRRP Preemption and Priority Logic

VRRP Design Best Practices — Failover without Preemption