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HP0-Y38
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Question: 1. Click the Exhibit button.
A customer is deploying 25 A-WA2620E access points (APs) on each floor of a building that has three floors. Each floor has an A-WX5002 access controller (AC). You are deploying the first AP. The exhibit shows the CLI commands you have entered on the AC for bringing up a new AP with serial number 200. After approximately 30 seconds, the AP has not yet come online. What is a possible cause of this delay? A. The CLI service template commands are incorrect. B. LWAPP is not installed. C. The AP is updating its software configuration. D. The ESS interface is not fully defined. E. The AP information is incorrect. F. The radio configuration assigned the wrong 802.11n channel parameters.
Answer: C Question: 2. Which type of packet does IACTP use to set up the data tunnel when the client is roaming between the HA and the FA? A. TCP B. IAPP C. Multicast D. Broadcast E. UDP F. IPSec
Answer: E
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Question: 3. A customer wants to extend a network between offices without installing underground lines or extending overhead lines. Your solution for this customer will include Dynamic MESH. Which primary factors should you consider for this wireless network? (Select two.) A. distances between two points B. type of network traffic the local mesh will handle C. high-availability requirements D. what channels the access point needs to use E. length of cable needed to connect the antenna
Answer: AC Question: 4. You are designing a customer's wireless network. What information is important for you to provide to RF Planner during the initial phase of design? (Select three.) A. cross floor coverage B. wall/ceiling placement of access points C. building material database D. the plan for 802.11n coverage as well as 802.11a/b/g coverage E. ceiling interference database F. interference modeling of GSM and CDMA networks G. capacity plan
Answer: ACD
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Question: 5. A national real estate agency wants to deploy a wireless network for their employees in their small local branch offices. The primary applications that will be used on the network include the transfer of promotional material, which has a high amount of image and graphical data, and online meetings and webcasts. The agency data has been growing so much that they recently upgraded their broadband connection from a T3 to an OC3 and the IT manager is worried that this is not sufficient. The IT manager is not on site very often and stressed the importance of reliability by saying, "Time is money and quick network access is very important.? You visit one of the largest branch locations and discover that it consists of twelve 10x8 ft open cubicles. You also discover several sources of interference while conducting a preliminary site survey. The customer's standard security system ope-rates in the 2.4GHz band, one neighboring outdoor 802.11a WLAN, eight neighboring 802.11g deployments, and several users of Bluetooth headsets. Which configuration should you recommend? A. one access point set to 802.11n 40MHz channels in the 2.4GHz band B. two access points set to 802.11n 20MHz channels in the 2.4GHz band C. one access point set to 802.11n 40MHz channels in the 5GHz UNII 2 band D. two access points set to 802.11n 40MHz channels in the 5GHz UNII 1 band E. two access points set to 802.11n 20MHz channels in the 5GHz UNII 2 band
Answer: D Question: 6. You are performing RF network design for an enterprise customer that plans to provide wireless connectivity to executives in their downtown headquarters. The customer plans to deploy WPA2 802.1x/TLS authentication with AES encryption. Which additional security precaution should you recommend? A. Deploy access points that are all operating at the lowest possible power emission setting. B. Deploy access points in the center of the offices to minimize spillage outside of the building. C. Deploy directional antennas on outer walls as often as possible to minimize spillage outside the building. D. Deploy the fewest possible number of access points, providing coverage at the lowest -rate while transmitting at the highest power level.
Answer: C
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Question: 7. Your company has just completed constructing a new automobile parts manufacturing facility. The facility IT manager wants to implement Voice over Wireless LAN. During your initial walkthrough, you see numerous highly-reflective surfaces on the manufacturing equipment and in the building construction itself. Which potential problem exists that should be accounted for during your site survey? A. RF signal attenuation B. multipath distortion C. RF signal absorption D. Fresnel zone impedance
Answer: B Question: 8.
Click the Exhibit button. Users at this customer site report that wireless connection speeds are slow. You conduct a site survey that yields the results shown in the exhibit. What can you determine from these results? A. Signal strength is low in some areas. AP power must be increased.
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B. An obstacle is causing hidden nodes. Another AP should be deployed beyond that obstacle, and the power decreased on both APs. C. Signal is being lost in a specific area. The APs need directional antennaes to shape the signal. D. The APs are operating on 802.11b/g channels, which typically experience a lot of interference. You should change to a different channel and frequency band.
Answer: B Question: 9. You must design a customer network that will use multiple wireless access controllers. The customer wants the most cost-effective redundancy solution. Which option meets this requirement? A. N+1 B. redundant power C. dual management cards D. N+N+1 E. clustered controllers
Answer: A Question: 10. A customer installed two HP AWX5004 controllers and 200 HP A-WA2620E-AGN access points (APs), which are attached to existing 802.3af PoE switches. The APs are configured to use the 40MHz channel option that should provide 300Mbits. The 802.11n clients are not achieving the expected data -rate. Upon further investigation, you discover that the APs are defaulting to 2X2 MIMO. To achieve full speed you configure the radio for 3X3 MIMO, but the radio reverts back to 2X2 MIMO. What else could cause this problem? A. disabled Gaussian Frequency Shift Keying (GFSK) B. incorrectly set AP spatial streams C. low PoE power D. faulty antenna connections E. setting Pulse Position Modulation (PPM) to 3X3
Answer: C
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HP
HP0-Y38
Deploying HP Wireless Enterprise Networks Click the link below to buy full version as Low as $25
http://www.examkill.com/HP0-Y38.html
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