How can hackers implement a man-in-the-middle (MITM) attack against a wireless client?
Answer(s): C
A common method for hackers to perform a man-in-the-middle (MITM) attack on a wireless network is by ARP poisoning. The attacker connects to the same network as the victim and sends false ARP messages over the network. This causes the victim's device to send traffic to the attacker's machine instead of the legitimate destination, allowing the attacker to intercept the traffic.
ARP spoofing is documented as a common MITM technique in various security publications and resources like the IEEE 802.11 standard and security textbooks. Please note that the answers provided are based on general networking and security principles and best practices. If you require verification against specific Aruba product documentation or technical manuals, those documents should be consulted directly.
You are deploying a new wireless solution with an Aruba Mobility Master (MM). Aruba Mobility Controllers (MCs), and campus APs (CAPs). The solution will include a WLAN that uses Tunnel for the forwarding mode and WPA3-Enterprise for the security option. You have decided to assign the WLAN to VLAN 301, a new VLAN. A pair of core routing switches will act as the default router for wireless user traffic.Which links need to carry VLAN 301?
Answer(s): B
In a wireless network deployment with Aruba Mobility Master (MM), Mobility Controllers (MCs), and Campus APs (CAPs), where a WLAN is configured to use Tunnel mode for forwarding, the user traffic is tunneled from the APs to the MCs. VLAN 301, which is assigned to the WLAN, must be present on the links from the MCs to the core routing switches because these switches act as the default router for the wireless user traffic. It is not necessary for the VLAN to be present on all campus LAN links or AP links, only between the MCs and the core routing switches where the routing for VLAN 301 will occur.
Which scenario requires the Aruba Mobility Controller to use a Server Certificate?
A Server Certificate is required by Aruba Mobility Controller when using RadSec to secure RADIUS communication. RadSec provides a secure transport for RADIUS traffic through SSL/TLS which requires the use of a Server Certificate to establish the secure tunnel. In the other scenarios listed, a Server Certificate is not explicitly required for the operations mentioned.
Two wireless clients, client 1 and client 2, are connected to an ArubaOS Mobility Controller. Subnet 10.1.10.10/24 is a network of servers on the other side of the ArubaOS firewall. The exhibit shows all three firewall rules that apply to these clients.Which traffic is permitted?
Answer(s): A
Based on the exhibit showing the firewall rules, the following traffic is permitted:Client 1 is allowed to send HTTPS traffic to any destination within the subnet 10.1.10.0/24 because there is a permit rule for the user to access svc-https to that subnet. Responses to initiated connections are typically allowed by stateful firewalls; hence, an HTTPS response from 10.1.10.10 to client 1 is expected to be permitted even though it is not explicitly mentioned in the firewall rules (assuming the stateful nature of the firewall).
You have a network with ArubaOS-Switches for which Aruba ClearPass Policy Manager (CPPM) is acting as a TACACS+ server to authenticate managers. CPPM assigns the admins a TACACS+ privilege level, either manager or operator. You are now adding ArubaOS-CX switches to the network. ClearPass admins want to use the same CPPM service and policies to authenticate managers on the new switches.What should you explain?
Answer(s): D
With ArubaOS-CX switches, the use of ClearPass Policy Manager (CPPM) as a TACACS+ server for authentication is supported. The privilege levels assigned by CPPM will translate onto the switches, where the "manager" privilege level typically maps to administrative capabilities and the "operator" privilege level maps to more limited capabilities. ArubaOS-CX does support standard TACACS+privilege levels, so administrators can be assigned appropriately. If the ClearPass policies are correctly configured, they will work for both ArubaOS-Switches and ArubaOS-CX switches. The distinction between the "administrators" and "operators" groups is inherent in the ArubaOS-CX role- based access control, and these default groups need to be appropriately mapped to the TACACS+ privilege levels assigned by CPPM.
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