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642-742 Practice Test With 100% Passing Guarantee

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642-742 Practice Test With 100% Passing Guarantee

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  1. Cisco- 642-742 –DumpsPDF Pass Cisco 642-742 exam in just 24 HOURS With 100%Guarantee Top 100% REAL EXAM QUESTIONSANSWERS Get All PDF with Complete Questions Answers Filefrom 100% Exam Passing Guarantee & Money BackAssurance SampleQuestions

  2. Question:1 Which three options are benefits of U-APSD? (Choosethree.) synchronization of the transmission and reception of voiceframes bandwidthreservation optimized power-save modeperiods increased callcapacity priority bandwidth andpolling Answer: A, C,D Question:2 Which two options allow a Cisco Unified Wireless IP Phone 7925G to conserve its battery? (Choosetwo.) PS-Poll S-APSD U-APSD D. 802.11h E. 802.11r Answer: A,C Question:3 Which statement describes the benefit of WMM U-APSD over legacy 802.11 power-savemode? Client can burst data without standard interfacespacing. Client can burst data withoutACKs. Client no longer sends null frame to notify of sleepmode. Client sleep mode is scheduled by AP to reducejitter. Answer:A

  3. Question:4 from respective traffic Which two items enable WMM to expedite frames categories? (Choosetwo.) Consistent CWmin and CWmaxvalues Dynamic CWmin and CWmaxvalues AIFS SIFS PIFS DIFS U-APSD PS-Poll Answer: B,C Question:5 When a VoWLAN client is in the range of two cells, which two statements describe how the client makes a decision about which cell is the best to associate with? (Choosetwo.) The client will associate with the cell with the highest RSSIvalue. The client will associate with the cell with the lowest SNRvalue. The client will associate with the cell broadcasting the highest 802.11evalue. The client will associate with the cell broadcasting the highest TSPECvalue. The client will associate with the cell broadcasting the lowest mandatory daterate. The client will associate with the cell broadcasting the highest datarate. The client will associate with the first cell that advertisesU-APSD. Answer: A,B

  4. Question:6 The AP has been properly configured for a VoWLAN survey. The RF environment contains a noise of -87 to -90 dBm. What would be the target value for the cell edgereading? -55dBm -60dBm -62dBm -67dBm -70dBm -73dBm Answer:C Question:7 What is the recommended minimum speed at the edge of the cells in an 802.11g network for a good Cisco VoWLANdeployment? 11Mb/s 12Mb/s 18Mb/s 36Mb/s 54Mb/s Answer:B Question:8 Which three statements are true about load-based Call Admission Control? (Choosethree.) grants a VoWLAN client-initiated call based on the number of active clients associated to theAP grants a VoWLAN client-initiated call based on channel bandwidthcapacity uses the 802.11ispecifications uses ADDTS actionframes requires a WMM-enabledclient Answer: B, D,E

  5. Question:9 Using proper VoWLAN design practice, what would be a reasonable total number of calls for a properly designed 802.11g cell to ensure callquality? 4 7 14 20 25 27 Answer:C Question:10 Using proper VoWLAN design practice, what would be a reasonable total number of calls for a properly designed 802.11a cell to ensure callquality? 4 7 14 20 25 27 Answer:D

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