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[Hardware] Ace Your Exam Preparation with UpdateDumps HPE7-A07 Practice Test

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【Hardware】 Ace Your Exam Preparation with UpdateDumps HPE7-A07 Practice Test

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HP HPE7-A07 Exam Syllabus Topics:
TopicDetails
Topic 1
  • Authentication
  • Authorization: Senior HP RF network engineers are tested on their skills in designing and troubleshooting AAA configurations, including ClearPass integration. This ensures that network access is securely managed according to the customer's requirements.
Topic 2
  • Connectivity: The topic covers developing configurations, applying advanced networking technologies, and identifying design flaws. It tests the skills of a senior HP RF network engineer in creating reliable, high-performing networks tailored to specific customer needs.
Topic 3
  • Routing: This Aruba Certified Campus Access Mobility Expert Written exam section measures the ability to design and troubleshoot routing topologies and functions, ensuring that data efficiently navigates through complex networks, a key skill for HP solutions architects.
Topic 4
  • Network Resiliency and Virtualization: This section of the Aruba Certified Campus Access Mobility Expert Written exam assesses the expertise of a senior HP RF network engineer in designing and troubleshooting mechanisms for resiliency, redundancy, and fault tolerance. It is crucial for maintaining uninterrupted network services.
Topic 5
  • Performance Optimization: The Aruba Certified Campus Access Mobility Expert Written exam focuses on analyzing and remediating performance issues within a network. It measures the ability of a senior RF network engineer to fine-tune network operations for maximum efficiency and speed.
Topic 6
  • Network Stack: This topic of the HP HPE7-A07 Exam evaluates the ability of a senior HP RF network engineer to analyze and troubleshoot network solutions based on customer issues. Mastery of this ensures effective problem resolution in complex network environments.
Topic 7
  • Security: This topic evaluates the ability of a senior HP RF network engineer to design and troubleshoot security implementations, focusing on wireless SSID with EAP-TLS and GBP. It ensures the network is secure from unauthorized access and threats.

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HP Aruba Certified Campus Access Mobility Expert Written Exam Sample Questions (Q75-Q80):NEW QUESTION # 75
An OSPF router has learned a path to an external network by both an E1 and an E2 advertisement. Both routes have the same path cost. Which path will the router prefer?
  • A. Both routes will be suppressed until the path conflict has been resolved.
  • B. The router will prefer the E2 path.
  • C. The router will prefer the E1 path.
  • D. The router will use both paths equally utilizing ECMP.
Answer: C
Explanation:
In HPE Aruba Networking (AOS-CX and AOS-Switch) OSPF implementation, the routing behavior for external routes (Type 5 LSAs) distinguishes between two types of external advertisements:
* E1 (Type-1 external) - The total path cost is calculated as the sum of the internal cost to reach the ASBR (Autonomous System Boundary Router) plus the external cost as advertised in the LSA.
* E2 (Type-2 external) - The external cost is considered independent of the internal OSPF path cost to reach the ASBR. Thus, the metric used is only the external cost from the LSA.
When both an E1 and an E2 route exist to the same external destination, OSPF gives preference to the E1 route, regardless of metric values, because the E1 route represents a more accurate total cost to the destination (including internal OSPF cost).
Extract (as per HPE Aruba OSPF Technical Overview and AOS-CX Routing Guide):
"When both Type-1 (E1) and Type-2 (E2) external LSAs for the same destination are present, the router always prefers the Type-1 route. Type-1 routes include both internal and external costs in the total metric, while Type-2 routes use only the external cost. The E1 path is therefore considered more precise and is selected as the preferred route." This is consistent across Aruba's OSPF implementation and follows standard OSPF behavior as defined by the protocol (RFC 2328).
Therefore, when both E1 and E2 routes are available and have the same overall cost, the router will always prefer the E1 path.
References:* HPE Aruba Networking AOS-CX Routing Configuration Guide - OSPF External Route Preference (Section: OSPF External LSAs).* HPE Aruba Certified Switching Professional (ACSP) Study Guide - OSPF Route Selection and External Type Behavior.* HPE ArubaOS-Switch Management and Configuration Guide - OSPF External Route Types (E1 vs E2).

NEW QUESTION # 76
Refer to the exhibit.


A network administrator is validating client connectivity and executes the show command shown in the exhibit. Which authentication method was used by the wireless station?
  • A. WEBauth authentication
  • B. 802.1X user authentication
  • C. 802.1X machine authentication
  • D. MAC authentication
Answer: B
Explanation:
The provided output is from the command:
(MC2) #show auth-tracebuf mac <MAC>
This command traces the authentication exchange between the access point (or mobility controller) and the RADIUS server for a specific client. The trace provides insight into the 802.1X authentication sequence and RADIUS responses.
From the exhibit:
* EAPOL (Extensible Authentication Protocol over LAN) Messages Observed:
* eap-id-req
* eap-id-resp
* eap-req
* eap-resp
* eap-success
These messages clearly indicate that an 802.1X (EAP-based) authentication took place. MAC authentication (MAB) or WebAuth would not include multiple EAP identity and response messages.
* RADIUS Messages:
* rad-req, rad-resp, rad-accept from /RADIUS1
* The presence of rad-accept indicates successful authentication.
Exact extract from ArubaOS (AOS-S/AOS 10 WLAN Authentication Guide):
"When the trace output shows EAP identity requests, EAP responses, and a RADIUS Access-Accept message, the authentication method in use is 802.1X (EAP-based user authentication). The presence of EAP-Success following the Access-Accept confirms successful 802.1X authentication."
* Follow-on WPA2 Key Exchange:
* Lines show wpa2-key1, wpa2-key2, wpa2-key3, and wpa2-key4.
* This sequence occurs after 802.1X authentication completes and is used to establish encryption keys for a WPA2 Enterprise session.
Exact extract from Aruba WLAN Troubleshooting Guide:
"After successful 802.1X authentication (EAP-Success), the controller exchanges four WPA2 keys with the station to derive the session keys used for data encryption. This confirms WPA2-Enterprise with 802.1X was used."
* No Indication of MAC or WebAuth:
* MAC authentication would show mac-auth or macauth messages instead of eap-id-req/resp.
* WebAuth involves HTTP-based redirection and is not visible in auth-tracebuf as EAP transactions.
Exact extract:
"MAC authentication shows 'macauth start' and 'macauth accept' entries, not EAPOL frames. WebAuth authentication uses a web redirect and does not appear as EAP frames in the trace buffer." Therefore, the trace confirms a WPA2-Enterprise 802.1X user authentication, where the user's credentials were validated by the RADIUS server, followed by the WPA2 key handshake.
Why the Other Options Are Incorrect:
* A. MAC authentication:Would show MAC-based request/response entries (macauth), not eap-id-req
/resp.
* C. WEBauth authentication:WebAuth occurs over HTTP/HTTPS and does not involve EAP messages; thus, no eap-id or eap-success would be seen.
* D. 802.1X machine authentication:Machine authentication occurs before user logon and is typically identified in logs by a computer account (e.g., host/computername$). Here, the username and context indicate a user-level session.
References of HPE Aruba Networking Switching Documents or Study Guide:
* ArubaOS 8/10 WLAN Authentication and Security Configuration Guide - "802.1X EAP Authentication and Trace Analysis."
* Aruba WLAN Troubleshooting Guide - "Using show auth-tracebuf to validate EAP authentication."
* Aruba Campus Wireless Design Fundamentals - "Understanding WPA2-Enterprise authentication flow (EAPOL, RADIUS, WPA2 4-Way Handshake)."
* Aruba Access Security and AAA Implementation Guide - "Distinguishing between MAC, WebAuth, and 802.1X authentication in debug outputs."

NEW QUESTION # 77
You deployed UBT tosecurely tunnel traffic from user desktop PCs connected behind VOIP phones Ail other non-UBT dents are connected to a different network. After the deployment users reported interruptions lo their phone service
  • A. Broadcast/multicast packets are copied to both the tunnel and locally, causing duplicate packets and network instability
  • B. The VLAN on which UBT clients are placed is not configured on the switch uplink and traffic from the VoIP phones is being dropped
  • C. The UBT client broadcast/multicast packets returned to the same switch port and corrupted the phones IMC table
  • D. You tailed to correctly configure a user-defined VRF to support the UBT clients behind the VoIP phones, causing traffic to drop.
Answer: B
Explanation:
If users report interruptions to their phone service after the deployment of User-Based Tunneling (UBT), it can be due to the VLAN designated for UBT clients not being configured on the switch uplink. As a result, traffic from VoIP phones, which may be trying to use the same VLAN, could be dropped, leading to service interruptions. Ensuring that the VLAN is properly configured on the switch uplink is crucial for the seamless operation of UBT clients and VoIP services.

NEW QUESTION # 78
A customer is starting to test AAA on their edge switch interfaces. The client device support team is concerned about clients being denied access to the network due to mistakes in configuration or reachability to the authentication servers.
What should be enabled to address the concerns of the client device support team? (Select two)
  • A. Configure the fallback role
  • B. Configure onboarding-method concurrent
  • C. Configure the critical role
  • D. Configure port-access radius-override
  • E. Configure auth-mode multi-device
Answer: A,C
Explanation:
Comprehensive and Detailed Explanation (Verified Extract from HPE Aruba Networking Switching Documentation) When implementing AAA (Authentication, Authorization, and Accounting) on Aruba CX switches, there are mechanisms to ensure that end-user devices maintain basic network connectivity even if authentication fails due to server unreachability or configuration errors.
Two key mechanisms address this concern:
1. Critical Role
The critical role defines the local role that is automatically applied to a port or user session when:
* The authentication server is unreachable, or
* The authentication process cannot be completed due to network errors.
This ensures that endpoints (clients) can still obtain limited or temporary access to the network (for example, DHCP and DNS access) even when RADIUS is unavailable.
ArubaOS-CX Extract:
"When AAA authentication fails due to the RADIUS server being unreachable, the switch assigns the critical- role to the client, allowing limited access to the network until connectivity to the server is restored."
2. Fallback Role
The fallback-role defines a default role that the switch applies to any device that fails authentication or does not match any configured authentication method (e.g., device profiling, MAC-auth, or 802.1X).
In lab or early deployment scenarios, this role provides baseline network access for devices that fail authentication but should not be entirely blocked.
ArubaOS-CX Extract:
"The fallback role allows clients that do not match any authentication or profiling method to obtain a defined level of access instead of being denied network connectivity." Option Analysis:
* A. Configure onboarding-method concurrent # Used to enable multiple onboarding methods (802.1 X, MAC-auth, device profiling) concurrently; does not prevent network denial.
* B. Configure the critical role # Correct. Ensures connectivity when AAA servers are unreachable.
* C. Configure auth-mode multi-device # Controls how multiple clients share a port; unrelated to AAA fallback behavior.
* D. Configure the fallback role # Correct. Provides network access to unauthenticated or failed-auth clients.
* E. Configure port-access radius-override # Allows RADIUS to override local roles or VLANs; does not address reachability or failure handling.
Final Verified Answers: B, D
Reference Sources (HPE Aruba Official Materials):
* Aruba AOS-CX Security and Access Configuration Guide - Port Access, AAA, and Roles
* Aruba Certified Switching Professional (ACSP) Study Guide - AAA and Authentication Failover
* ArubaOS-CX Fundamentals Guide - Critical and Fallback Role Configuration

NEW QUESTION # 79
Which statement is true given the following CLI output from a CX 6300?

  • A. There are two anycast addresses m me overlay fabric.
  • B. The underlay loopback addresses are in the 172 21 11 x range.
  • C. Duplicate MAC addresses were detected in the overlay fabric
  • D. There are three active client overlay VLANs in the overlay fabric
Answer: B
Explanation:
The CLI output displays EVPN routes and their corresponding next hops. The "Route Distinguisher" entries followed by IP addresses in the 172.21.11.x range indicate these are loopback addresses used by the underlay network. The underlay network provides the basic routing and forwarding plane for the overlay network that EVPN is part of. These loopback addresses are crucial for the proper functioning of the EVPN control plane.

NEW QUESTION # 80
......
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