HPE Aruba Networking Switching Professional Exam (HPE7-A08) Free Practice Test

Question 1

You are reviewing the configuration of a VSX LAG and have noticed the command LACP fallback. Why might this have been configured?

A. For backward compatibility with LACP v1.

B. To allow operation with active or passive LACP.

C. To support provisioning a gateway without LACP.

D. For operation using a single partner LACP interface.

Correct Answer: C

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Question 2

You have configured BFD for OSPF on a CX switch and have noticed the BFD session stays down but the OSPF neighbor state is up. What could explain this behavior?

A. BFD has not been enabled at the global configuration level.

B. The local switch uses OSPFv3, but the remote switch uses OSPFv2.

C. BFD is not supported on OSPF broadcast links, so OSPF ignores the config.

D. The remote switch does not support BFD.

Correct Answer: D

Question 3

Which statement is valid when enabling ARP protection features on HPE Aruba Networking CX switches?

A. Once you enable DHCP snooping, you can enable ARP protection, and you will have full information to mitigate security risks.

B. In an active network, you should generally wait at least a week after enabling DHCP snooping to enable ARP protection.

C. Client lease time on the DHCP server should be at least 3600s before enabling ARP protection.

D. DHCP server utilization is required for IP to MAC binding to enable ARP protection.

Correct Answer: B

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Question 4

Refer to the exhibit:

According to the HPE Aruba Networking VSX best practices, what would need to be changed on the configuration?

A. Replace the CX 8325 1/1/47 and 1/1/48 ports with SFP56 connectivity.

B. Replace the CX 6300 [1-2]/1/49 and [1-2] /1/50 ports with QSFP28 connectivity.

C. Replace the CX 8325 1/1/47 and 1/1/48 ports with SFP28 connectivity.

D. Replace the CX 6300 [1-2]/1/49 and [1-2] /1/50 ports with SFP56 connectivity.

Correct Answer: C

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Question 5

A database administrator has reported intermittent connectivity issues with a SQL server hosted in the data center and has provided you with the source and destination IP addresses. Which troubleshooting methodology would be the most suitable to start with?

A. Spot the difference

B. Divide and conquer

C. Follow the path

D. Top-down/Bottom-up

Correct Answer: C

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Question 6

When configuring a multicast solution on HPE Aruba Networking CX switches, what needs to be configured on the core switch to enable L3 multicast routing locally?

A. IGMP on SVI

B. IGMP on VLAN

C. IGMP-snooping on SVI

D. IGMP-snooping on VLAN

Correct Answer: A

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Question 7

Which statement is valid when enabling ARP protection features on an HPE Aruba Networking CX switch?

A. Once you enable DHCP snooping, you can enable ARP protection, and you will have full information to mitigate security risks.

B. DHCP server utilization is required for IP to Mac binding to enable ARP protection.

C. Configuring IP to MAC address bindings allows ARP protection for networks without a DHCP server.

D. Client lease time on the DHCP server should be at least 3600s before enabling ARP protection.

Correct Answer: C

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Question 8

Match the terminology related to 802.1x authentication.

Correct Answer:

Explanation:
Authenticator: AOS-CX switch
Radius: Encapsulated packets from NAS
Authentication server: HPE Aruba ClearPass
Supplicant: Windows Clien
To master the HPE Aruba Networking Certified Professional - Switching exam, you must clearly distinguish between the roles defined in the IEEE 802.1X standard. These roles dictate how identity-based security is enforced at the edge of the network.
* Supplicant (Windows Client): The supplicant is the client device (laptop, phone, or IoT device) that is requesting access to the network. It runs software (a " supplicant " ) that can respond to EAPOL (EAP over LAN) requests from the switch. In a typical office environment, the Windows 10/11 native 802.1X client acts as this role.
* Authenticator (AOS-CX switch): The authenticator is the intermediary device, typically an access layer switch. Its job is to control the physical or logical port. It remains in an " Unauthorized " state (blocking all traffic except EAPOL) until it receives a success message from the authentication server.
It translates EAPOL packets from the client into RADIUS packets for the server.
* Authentication Server (HPE Aruba ClearPass): This is the " brain " of the operation. The server validates the credentials (certificates, usernames/passwords) provided by the supplicant. In the Aruba ecosystem, ClearPass Policy Manager (CPPM) is the primary authentication server. It checks its internal database or an external one (like Active Directory) and sends an " Access-Accept " or " Access- Reject " back to the switch.
* Radius (Encapsulated packets from NAS): RADIUS (Remote Authentication Dial-In User Service) is the networking protocol that provides the transport for these exchanges. The switch, acting as a NAS (Network Access Server) , takes the EAP payload from the client and encapsulates it into RADIUS packets to send them across the IP network to ClearPass.

Question 9

You are helping another engineer troubleshoot a new downloadable user role configuration between your CX switches and ClearPass. Which configuration on the switch should you verify?

A. SNMP community string

B. HTTPS client certificate

C. REST API credentials

D. User-role configuration

Correct Answer: B

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HPE Aruba Networking Switching Professional (HPE7-A08) Free Practice Test