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質問 25
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 the RADIUS server assigns users to different VLANs dynamically.
- B. Ensure that VLAN 10 is extended to the edge and Aruba APs are deployed on it.
- C. Ensure that optimization and suppression of unnecessary multicast is enabled.
- D. Ensure that each user role on the MCs is associated with a different VLAN ID.
正解: A
質問 26
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. conversion of the existing Instant APs to campus APs (CAPs)
- B. a Virtual Mobility Controller (VMC) which can be licensed to control Instant APs
- C. Aruba ClearPass to onboard the APs as campus APs in the new MC-based deployment
- D. the purchase of Universal APs that are the same modes as the current APs.
正解: B
質問 27
A Remote AP provisioned in "Split-Tunnel" Forwarding mode has which of the following characteristics?.
- A. User Traffic is CPSec encrypted before it is sent to the controller.
- B. The user role must have a "permit dst-nat" statement to locally bridge the traffic.
- C. The user role must have a "Permit" statement in order to locally bridge the traffic.
- D. The RAP uses UDP 4500 to send traffic to the controller.
- E. Local traffic first goes to the controller and is then spilt back to the local network.
正解: D
質問 28
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 floor and a /24 subnet for each VLAN
- C. one VLAN per closet and a /25 subnet for each VLAN
- D. one VLAN for the entire building and a /23 subnet
正解: C
質問 29
Which guidelines should an architect use to determine how many AirWave servers to recommend?
- A. One server should monitor and manage up to about 4,000 infrastructure devices.
- B. One server is recommended for the base features and one server each for add-on features such as
Clarity. - C. One server should be dedicated to the wired infrastructure and one server to the wireless infrastructure.
- D. One server should be deployed on every subnet with an infrastructure device.
正解: D
質問 30
An enterprise needs an upgrade to 802.11ac. Users run applications such as Web, email, voice, and video. The architect needs to conduct an active site survey to plan 802.11ac AP locations. The noise floor is about -90 dBm across the site.
Based on Aruba best practices, what is the minimum acceptable signal that the architect should look for to determine the test AP range?
- A. a signal of -75 dBm in the 2.4 GHz band
- B. a signal of -65 dBm in the 5 GHz band
- C. a signal of -65 dBm in the 2.4 GHz band
- D. a signal of -75 dBm in the 5 GHz band
正解: B
質問 31
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. Connect each Building 2 switch directly to the core on a single fiber strand through the use of SFP+-SR
transceivers. - B. Extend additional fiber between the buildings so that each Building 2 switch can have a direct 10 GbE
connection to the core. - C. Use two additional 2930F switches to act as an aggregation layer for Building 2; connect them to the
core on 40 GbE connections. - D. Combine the switches in each Building 2 closet as a VSF fabric; establish two 10 GbE connections to
the core per fabric.
正解: D
質問 32
A customer needs a solution to terminate VPN tunnels for Aruba RAPs. The customer has a single site and a single public IP address for this purpose. Network address translation (NAT) will forward the IPsec traffic to the correct device to terminate the VPN tunnel. The customer also requires N+1 redundancy for the solution. Which solution meets the customer requirements?
- A. two Aruba MCs deployed as a Layer 3 cluster
- B. two Aruba MCs on the same subnet that use VRRP without clustering
- C. two Aruba MCs deployed as a Layer 2 cluster
- D. two Aruba MCs on different subnets that use VRRP without clustering
正解: A
質問 33
An architect learns that a customer site is 14,307 square meters (154,000 square feet) and supports 900 employees using WiFi 5 Ghz radio. What additional information should the architect collect to create the RF plan?
- A. number of devices used
- B. whether BLE wayfinding is required
- C. the OS used on wireless devices
- D. software version on Mobility Controllers (MCs)
正解: A
質問 34
An architect proposes an Aruba solution with a hardware Mobility Master (MM) to a customer. The customer
has a disaster recovery site which is connected to the main site at Layer 3. The customer requires the MM to
remain available in case of a total site failure.
Which plan meets the customer requirements?
- A. Deploy the virtual MM (VMM) to the disaster recovery site and configure clustering on the hardware
and software appliances. - B. Deploy the virtual MM (VMM) to the disaster recovery site and set the VMM IP address to the same
address as the hardware MM. - C. Deploy a hardware MM to the disaster recovery site and set its IP address as the standby master for
MCs. - D. Deploy a hardware MM to the disaster recovery site and set up VRRP between them.
正解: D
質問 35
A customer needs a wireless refresh for 802.11ac. The customer site has about 3,000 wireless devices, and the network architect plans to propose 200 APs. The architect also plans to propose two Virtual Mobility Controllers (VMCs) and a Virtual Mobility Master (VMM). Which licenses should the architect propose for this solution?
- A. Five LIC-MM-VA 50; Four LIC-MC-VA 50 and no Enterprise required
- B. Four LIC-MM-VA-1K; Four LIC-MC-VA-50; 200 Enterprise
- C. Five LIC-MM-VA-50; Four LIC-MC-VA-50; 200 Enterprise
- D. Five LIC-MM-VA-50; 200 Enterprise and no LIC-MC-VA required
正解: C
質問 36
An architect proposes an Aruba wireless solution for a customer that uses Microsoft Skype for Business. What
should be set up on the MCs, or MM, to ensure that wireless voice traffic is properly prioritized?
- A. Airtime Fairness set to fair-access
- B. Voice-aware Layer 3 roaming
- C. Broadcast suppression combined with AirGroup
- D. Firewall policies and SDN to mark voice
正解: B
質問 37
An enterprise needs an upgrade to 802.11ac. Users run applications such as Web, email, voice, and video.
The architect needs to conduct an active site survey to plan 802.11ac AP locations. The noise floor is about -90 dBm across the site.
Based on Aruba best practices, what is the minimum acceptable signal that the architect should look for to determine the test AP range?
- A. a signal of -75 dBm in the 2.4 GHz band
- B. a signal of -65 dBm in the 5 GHz band
- C. a signal of -65 dBm in the 2.4 GHz band
- D. a signal of -75 dBm in the 5 GHz band
正解: B
解説:
Explanation/Reference:
質問 38
An architect plans 12 APs for an auditorium that is 325 square meters (3, 498 square feet). Each AP has one
2.4 GHz radio and one 5 GHz radio. Both types of radios use 20 MHz channels.
Assume that DFS channels can be used in this design. How many 5 GHz collision domains does this design
provide?
- A. 0
- B. 1
- C. 2
- D. 3
正解: A
質問 39
An RF plan specifies wide sector directional antennas.
Refer to the antenna specifications.
H-plane refers to the Azimuth or Horizontal plane and E-plane refers to Elevation or Vertical plane.
Antenna 1: H-plane = 360; E-plane = 120
Antenna 2: H-plane = 360; E-plane = 60
Antenna 3: H-plane = 100; E-plane = 90
Antenna 4: H-plane = 60; E-plane = 60
Which antenna specifications indicate that the antenna is a good choice for the plan?
- A. Antenna 4
- B. Antenna 3
- C. Antenna 1
- D. Antenna 2
正解: D
質問 40
Refer to the exhibit.
Exhibit 1.
Exhibit 2.
Exhibit 1 shows the logical plan, and Exhibit 2 shows the BOM that the administrator has made in Iris. What is missing from the IRIS BOM?
- A. 10 GbE direct attach cables
- B. stacking modules and cables
- C. stacking licenses
- D. an uplink module for one of the switches
正解: A
質問 41
A customer currently has an Instant AP deployment. Which customer requirement would indicate that the customer needs to add a controller to the deployment?
- A. the requirement to provide client-to-site VPN access for remote users
- B. the requirement to apply role-based firewall policies
- C. the requirement for a cloud-based management solution
- D. the requirement for a captive portal for guests
正解: C
質問 42
An architect needs to plan a very high density (VHD) wireless network at a large events venue, at which thousands of attendees are expected. The architect plans to deploy a cluster of Mobility Controllers (MCs) to control the APs. It is important to support seamless roaming for wireless devise across the venue.
What should the architect ensure for the network services?
- A. DHCP servers can support a high number of scopes with a /24 size.
- B. DHCP and DNS servers are carrier-grade and support a low transaction time.
- C. A third-party firewall integrates with ClearPass to filter the guest user traffic.
- D. A domain CA is set up to deploy certificates to a high volume of guest devices.
正解: C
質問 43
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 be in a cluster, and they must use Virtual Router Redundancy Protocol (VRRP) to provide redundancy for each other.
- B. The MCs cannot provide any level of redundancy for each other unless one is moved into the other's subnet.
- 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.
正解: A
質問 44
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