Which method is used to onboard a new HPE Aruba Networking User Experience Insight (UXI) in an existing environment with 802.1X authentication? (The sensor has no cellular connection.)
Answer(s): A
For onboarding a new UXI sensor in an environment with 802.1X (and no cellular connection), you should use the HPE Aruba Networking installer app on your smartphone to scan the barcode on the sensor. This method allows secure onboarding, network configuration (including 802.1X credentials), and initial setup directly through the app.
You are helping an onsite network technician bring up an HPE Aruba Networking 9004 gateway with ZTP for a branch office. The technician was told to plug in any port for the ZTP process to start.Thirty minutes after the gateway was plugged in, new users started to complain they were no longer able to get to the internet. One user who reported the issue stated their IP address is 172.16.0.81. However, the branch office network is supposed to be on 10.231.81.0/24.What should the technician do to alleviate the issue and get the ZTP process started correctly?
Answer(s): D
For HPE Aruba Networking 9004 gateways using Zero Touch Provisioning (ZTP), the WAN/Internet-facing port is typically G0/0/0. Plugging into the wrong port (such as G0/0/1, which is usually used for LAN) can disrupt local network DHCP and client connectivity. Moving the cable to G0/0/0 allows the gateway to reach Aruba Central and Activate, while restoring normal network operations for branch users.
A company deployed Dynamic Segmentation with their CX switches and gateways. After performing a security audit on their network discovered that the tunnels built between the CX switch and the HPE Aruba Networking gateway are not encrypted. The company is concerned that bad actors could try to insert spoofed messages on the gateway to disrupt communications or obtain information about the network.Which action must the administrator perform to address this situation?
Answer(s): B
To ensure that the tunnels between CX switches and HPE Aruba Networking gateways are encrypted and protected against spoofing or malicious interference, you must enable Secure Mode Enhanced. This feature enforces the use of encryption and authentication for all control and data plane communications, addressing the security concerns identified in the audit.
Describe the difference between Class of Service (CoS) and Differentiated Services Code Point (DSCP).
Class of Service (CoS) is a 3-bit field in the 802.1Q VLAN tag used at Layer 2 to prioritize Ethernet frames within a local network segment. Differentiated Services Code Point (DSCP) is a 6-bit field in the IP header at Layer 3 and is used for end-to-end prioritization and traffic management across routed networks. DSCP values are preserved throughout the IP packet flow, while CoS is only relevant within the VLAN-tagged Ethernet frames.
A network administrator is attempting to troubleshoot a connectivity issue between a group of users and a particular server. The administrator needs to examine the packets over a period of time from their desktop; however, the administrator is not directly connected to the AOS-CX switch involved with the traffic flow.What statements are correct regarding the ERSPAN session that needs to be established on an AOS-CX switch? (Choose two.)
Answer(s): C,D
In an ERSPAN session on AOS-CX, the source switch is configured to send mirrored traffic directly to the IP address of the administrator’s desktop, not the intermediate switch.ERSPAN encapsulates the mirrored packets using GRE (Generic Routing Encapsulation), allowing them to traverse routed networks and reach the administrator’s device for analysis.
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