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Total 70 questions
A customer has several clusters of Aruba 325 Instant APs. The customer is happy with the performance of the current APs, but would like to add a Mobility
Controller (MC). What should the architect propose?
- A. the purchase of Universal APs that are the same modes as the current APs.
- B. Aruba ClearPass to onboard the APs as campus APs in the new MC-based deployment
- C. conversion of the existing Instant APs to campus APs (CAPs)
- D. a Virtual Mobility Controller (VMC) which can be licensed to control Instant APs
Answer : D
A customer requires high availability for wireless services, including stateful failover for user connections if the Mobility Controller (MC) that handles the user traffic fails. What is the requirement for the design?
- A. MCs are deployed in a cluster, and they are on the same VLAN
- B. MCs are distributed across each VLAN on which APs are deployed and have VRRP enabled.
- C. MCs have a standby master IP address assigned to them.
- D. MCs have enough licenses to support the APs for which they are active and standby MC.
Answer : B
Refer to the exhibit.
The exhibit shows the current plan for a wired network upgrade.
As much as possible, the customer wants to flatten the architecture and avoid recabling. However, each Building 2 switch must also maintain connectivity to the core if one link fails. What should the architect propose to meet the customer requirements?
- A. Use two additional 2930F switches to act as an aggregation layer for Building 2; connect them to the core on 40 GbE connections.
- B. Connect each Building 2 switch directly to the core on a single fiber strand through the use of SFP+-SR transceivers.
- C. Combine the switches in each Building 2 closet as a VSF fabric; establish two 10 GbE connections to the core per fabric.
- D. Extend additional fiber between the buildings so that each Building 2 switch can have a direct 10 GbE connection to the core.
Answer : C
What should an architect use as a guideline to determine when to define another VLAN for wireless devices?
- A. the WLAN or SSID, with a different VLAN for each SSID
- B. the AP deployment, with a different VLAN for each AP that is deployed
- C. the number of devices, with a different VLAN for each 250 devices
- D. the employee roles, with a different VLAN for each role or department
Answer : D
Refer to the exhibit.
A customer wants to replace the core and aggregation layer of an existing network. Currently the network routes between the aggregation layer and core, and uses the technologies shown in the exhibit.
The customer now wants to route at the core, instead of the aggregation layer, and extend some of the same VLANs in different buildings. However, the customer cannot eliminate the aggregation layer at this point. What should the architect recommend?
- A. Create a backplane stack at the aggregation layer and a VSF fabric at the core.
- B. Implement broadcast filtering on switch-to-switch links across all of the buildings.
- C. Combine all switches in the aggregation layer and core into a single backplane stack.
- D. Use VRRP on the core and aggregation switches, with the aggregation switches acting as standby.
Answer : C
A customer requires a wireless upgrade. The architect proposes:
-> Aruba AP-325s
Mobility Controller (MC) 7210s -
-> Virtual Mobility Masters (MMs)
-> ClearPass
-> AirWave
The customer is interested in wired authentication, as well as wireless authentication, but does not have the budget to upgrade the wired network. The wired network does not currently support 802.1X or RADIUS.
Which feature of the Aruba solution should the architect explain to justify the proposed solution?
- A. The customer can direct all wired traffic through the MCs, which will then apply security to that traffic.
- B. The customer can direct all wired traffic through the MMs, which will impose basic security checks.
- C. ClearPass OnConnect can enable wired authentication on these switches through the use of SNMP.
- D. AirWave can manage these switches and shut down their ports if an unknown user or device connects.
Answer : C
An architect plans to purpose two Aruba Mobility Controllers (MCs) in a cluster. The customer has a large building that needs to support about 10,000 devices.
The architect plans to associate the Employees WLAN with VLAN ID 10.
What is one Aruba best practice for this design?
- A. Ensure that VLAN 10 is extended to the edge and Aruba APs are deployed on it.
- B. Ensure that each user role on the MCs is associated with a different VLAN ID.
- C. Ensure that the RADIUS server assigns users to different VLANs dynamically.
- D. Ensure that optimization and suppression of unnecessary multicast is enabled.
Answer : C
What is one reason to recommend dedicated Air Monitors (AMs) for a customer, as opposed to APs that are doing WIPS in AP mode (hybrid)?
- A. AMs can operate in a hybrid operation mode in which they can support clients, scan for threats, and contain detected threats.
- B. AMs can implement wireless containment on any channel on which they detect a threat without negative impact on clients.
- C. AMs can detect both 802.11 and non-802.11 sources of interference to the wireless network, while APs cannot.
- D. AMs can maintain client and AP blacklists on their own without the need to communicate with a Mobility Controller (MC).
Answer : B
An architect plans where to deploy new Aruba 320 Series APs at a customer site. The architect plans for the APs to be installed on the ceiling where power is inaccessible. The Ethernet cable run to these locations is CAT6, and the customer wants to support at least 1 GbE connectivity. The architect plans to connect each AP with one Ethernet port to a switch in a nearby wiring closet.
Which feature does the switch need to support for this deployment?
- A. PoE+
- B. LACP
- C. Port channel
- D. Smart Rate
Answer : A
A customer needs a wired network solution that can recognize and prioritize a wide array of different types of traffic, including casual Web browsing, voice, video,
SAP Online, and file sharing.
The architect needs to choose between the Aruba 2930F or the 2540 Switch Series for the access layer switch. Why would the architect choose the 2930F rather than the 2540 Switch Series for this customer?
- A. The 2930F Series supports LLDP-MED for detecting VoIP traffic, while the 2540 Series does not.
- B. The 2930F Series supports advanced routing, including multi-area OSPF, while the 2540 Series does not.
- C. The 2930F Series supports more options for class-based QoS policies that the 2540 Series.
- D. The 2930F Series can provide better congestion management with its much deeper buffers.
Answer : D
What is one important guideline for antenna selection?
- A. Ensure that the beam-width exceeds 100 degrees.
- B. Ensure that the H-plane and E-plane values are within 45 degrees of each other.
- C. Ensure that the antenna is rated for 802.11ac usage.
- D. Ensure that the antenna is designed for the frequency used by the radio.
Answer : D
For which scenario does the Aruba backplane stacking technology meet the needs?
- A. The customer needs to deploy a pair of aggregation switches in the same closet, and wants to simplify the architecture and redundancy design.
- B. The customer needs to simplify the deployment of core switches which are located in different closets for redundancy purposes.
- C. The customer needs to expand the network and make it possible for the current core switches to support more MAC forwarding and ARP entries.
- D. The customer needs to deploy a switch at a branch office and have the switch automatically discover and join the network stack at the main office.
Answer : B
Refer to the exhibit.
An architect needs to plan a network solution for a new office building with four floors. Each floor has two wiring closets with the equipment shown in the exhibit.
The switches will connect to employee desktops, a few campus APs controlled by MCs, and printers. The switches do not implement tunneled node.
What is a best practice design for the VLANs and subnets for the wired devices?
- A. one VLAN per closet and a /24 subnet for each VLAN
- B. one VLAN per closet and a /25 subnet for each VLAN
- C. one VLAN for the entire building and a /23 subnet
- D. one VLAN per floor and a /24 subnet for each VLAN
Answer : B
A customer needs a networking solution that supports their Microsoft Skype for Business Unified Communications (UC) solution. The architect discovers that user wireless devices are Wi-Fi Multimedia (WMM) capable. Windows policies assign voice traffic DSCP 46 and video traffic DSCP 34.
Which potential issue should the architect explain to the customer about the default QoS settings?
- A. The DSCP values place both voice and video traffic in the video WMM queue, so voice does not receive the prioritization that is should.
- B. The Aruba APs and controllers use different prioritization mechanisms from WMM, so they will not accept high priority traffic from the wireless devices.
- C. DSCP is incompatible with WMM. The Aruba APs and controllers instead use 802.1p to mark traffic to and from wireless devices.
- D. The DSCP for wireless client traffic is concealed within the GRE packet on the path from the AP to the controller, and does not take effect.
Answer : A
An architect plans to deploy a Mobility Controller (MC) at one building in subnet 10.23.01.0/24 and another MC in another building in subnet 10.44.12.0/24. The
MCs need to provide redundancy for each other. What must the architect take into account in the redundancy plan?
- A. The MCs cannot provide any level of redundancy for each other unless one is moved into the other"™s subnet.
- B. The MCs cannot be in a cluster, and they must use Virtual Router Redundancy Protocol (VRRP) to provide redundancy for each other.
- C. The MCs can be in a cluster, but the cluster will not support features such as stateful failover.
- D. Each MC can be the backup LMS for the other MCs"™ APs, but it cannot be in a cluster with the other MC.
Answer : B
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