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Free PW0-250 Sample Question 1
After surveying for the ideal mounting locations for APs, you have been asked to compromise RF
propagation optimization due to aesthetic concerns raised by your customer. In the end, you’ve
decided to mount the APs in the ideal locations and paint the APs so they go unnoticed in the environment.
What is a valid recommendation or cons ideration when painting APs? (Choose 2)
Free PW0-250 Sample Question 2
When deploying long-distance 802.11 bridge links (10 miles / 16 km), what parameter may be critical for improving data flow by reduc ing retries caused by the long distances?
Free PW0-250 Sample Question 3
One of your customers plans on providing wi reless cov erage to a warehouse facility. After performing an initial walkthrough, you collect the following information:
- The central part of the war ehouse is between 400 and 600 feet (122 to 183 meters) from the warehouse switches mounted on the walls.
- The warehouse map was provided by the customer and is displayed in the exhibit.
- The warehouse storage is composed of metallic racks with varying inventory levels and contents, from electronics and plastic toys to food pallets and juice bottles.
- Workers need basic data coverage fr om their working location, an d are not highly mobile. They usually work from one single aisle, and their laptop is on a cart with wheels.
What would be your recommendation to provide co verage to the central area (indicated by a blue circle) of the warehouse?
Free PW0-250 Sample Question 5
When a WLAN controller transmits an Ethernet frame that has an IEEE 802.11 frame as its payload to a lightweight AP, what type of QoS marks can be applied to the Ethernet frame and/or its payload? (Choose 3)
Free PW0-250 Sample Question 7
Your customer location is equipped with DAS, originally deployed to relay a GSM signal indoors and provide 802.11 data coverage to st atic stations. What type of wireless application would be least likely to be supported by this RF distribution model?
Free PW0-250 Sample Question 8
In a manufacturing facility with highly reflective materials, you are planning an upgrade to your existing 802.11b solution. You ha ve chosen a dual-band 802.11n infr astructure product for this purpose. Your client applications include:
Handheld scanners — for inventory management
Toughbooks (laptops) — mounted on forklifts for inventory and workflow management
VoWiFi phones — used by select employees throughout the facility
You are evaluating all of the 802.11n enhancements and determining which features to enable for your environment and applications.
In this scenario, what 802.11n enhancements shoul d NOT be enabled on the 2.4 GHz radio of the new APs? (Choose 2)
Free PW0-250 Sample Question 11
Multicast video applications typically require spec ial treatment on the Wi-Fi network due to the nature of multicast traffic. Many vendors implement proprietary mult icast-to-unicast conversion for this reason.
Which of the following is NOT a valid reason for special unicast conversion of downlink multicast traffic?
Free PW0-250 Sample Question 12
Given: Assume that music on hold (MOH) features are unicast only.
What VoWiFi implementations require mult icast packet delivery support by the WLAN infrastructure?
Free PW0-250 Sample Question 13
As you plan a WLAN upgrade, you have assessed the network requirements and data signatures of your applications. One of the popular applications used on your network requires high bandwidth and low to medium Wi-Fi loss, but can tolerate moderate latency and jitter.
What application matches this description?
Free PW0-250 Sample Question 14
Given: The 802.11n APs you have selected for y our public access deployment support many of the PHY and MAC enhancements offe red by the 802.11n standard. T he AP is single-band (2.4 GHz) and only allows 20 MHz channels. The WLAN radio in the AP is a 3x3 802.11n chip that supports two spatial streams.
What is the maximum MCS rate that could be supported by this AP?
Free PW0-250 Sample Question 15
As an implementation engineer, you have just received initial design specs from a network designer for your dual-band 802.11n deployment. The network design documents prescribe the following data rate configuration for the 2.4 GHz radio:
Basic Rates — 5.5, 6, 11, 12 Mbps Supported Rates —9, 18, 24, 36, 48, and 54 Mbps as well as MCS 0-15 What will result from this design strategy?
Free PW0-250 Sample Question 16
Given:As the wireless network administrator for XYZ Company, you are planning to upgrade your aging wireless network infrastructure, as well as some clients, to support 802.11n. In your research, you have discovered that your new wireless client devices and infrastructure are 802.11n, WMM, and WMM-PS certified by the Wi-Fi Allia nce. Some of your existing client devices are 802.11a/b/g devices t hat do not support WMM.
Given this information, what scenario is possi ble when your company's employees begin using both types of client devices on the new WLAN?
Free PW0-250 Sample Question 17
To achieve a 450 Mbps MCS, what 802.11n features (from the numbered list below) are required?
1. Frame aggregation
2. Short GI
3. 40 MHz channels
4. 2 spatial streams
5. 3 spatial streams
6. Transmit beamforming (TxBF)
Free PW0-250 Sample Question 18
You are tasked with designing the WLAN to accommodate certain high density areas on your university campus where users are highly transi ent (frequently come and go). With a limited DHCP pool size (subnet mask = 255.255.252.0) for this WL AN subnet, you want to ensure that your DHCP addresses are used efficiently and are not ex hausted, which would prevent new client associations. The DHCP server is a Windows Server 2008 machine. Your design task is to determine the best configuration to allow as many users as possible while avoiding WLAN service interruptions and also to use the availabl e addresses as efficiently as possible.
What setting would be most effective at achieving this design task?
Free pw0-250 Sample Question 21
Given: Use the exhibit as a reference. ABC Company has a WLAN controller with 10 controller-
based APs; the Voice SSID is configured for centralized data forwarding. Each AP is connected to an access port on a layer-2 Ethernet switch. Each layer-2 switch is uplinked to a single layer-3 core Ethernet switch. The WLAN controller is connected directly to the layer-3 core Ethernet switch. Layer-3 tunnels are created between all controller-based APs and the WLAN controller. A voice server is connected to the layer-3 Ethernet switch.
When a voice-enabled QoS STA sends an IP data packet to a voice server in this scenario, the
DSCP value carried in the STA's IP data packet gets mapped to what and by which device?
Free PW0-250 Sample Question 22
Given: For this fill-in the blank question, each answer option contains an answer for the first and second blanks, separated by a dash “—”. Choose the answer option that correctly fills in both blanks in the following sentence. A WLAN may use 802.11 admission control to, and admission control requirements are configured separately for each.