QUESTION: 21

Refer to the exhibit.

A network administrator adds a Mobility Controller (MC) in the /mm level and notices that the device does not show up in the managed networks hierarchy. The network administrator accesses the CLI. executes the show switches command, and obtains the output shown in the exhibit.

What is the reason that the MC does not appear as a managed device in the hierarchy?

The network administrator added the device using the wrong Pre-Shared Key (PSK).
The network administrator has not moved the device into a group yet.
The digital certificate of the MC is not trusted by the MM.
The IP address of the MC does not match the one that was defined in the MM.

Answer(s): D

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QUESTION: 22

Refer to the exhibit.

An Aruba network is deployed with L2 and L3 Mobility Master (MM) redundancy across two datacenters, as shown in the exhibit. The network administrator confirms that all Mobility Controllers (MC) are currently communicating with MM1, which is the L2 Active and, L3 Primary.
Which MM IP will MCs communicate with if MM1 fails?

10.1.1.10
10.1.1.12
10.2.1.10
10.2.1.21

Answer(s): C

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QUESTION: 23

A network administrator has racked up a 7210 Mobility Controller (MC) that will be terminating 200+ Aps on a medium-size branch office. Next, the technician cabled the appliance with 4SPF+ Direct Attached Cables (DACs) distributed between two-member switching stack and powered it up.

What must the administrator do next in the MCs to assure maximum wired bandwidth utilization?

Map the four physical ports to port channel 0.
Disable spanning tree and allocate unique VLANs to each port.
Manually set 10Gbps speeds on all ports.
Configure the same MSTP region that the switches have.
Make all ports trunk interfaces and permit data VLANs.

Answer(s): C

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QUESTION: 24

Refer to the exhibit.

A network engineer deploys two different DHCP pools in an Instant AP (IAP) cluster for WLANs that will have connectivity to a remote site using Aruba IPSec.

Based on the output shown in the exhibit, which IAP-VPN DHCP modes are being used?

distributed L3 and centralized L2
local L3 and centralized L2
local L3 and distributed L2
centralized L3 and distributed L2

Answer(s): D

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