Pass4sureExam642-742 Practice Test With 100% Passing Guarantee

1
Cisco- 642-742 Dumps PDF
Pass Cisco 642-742 exam in just 24 HOURS With
100 Guarantee Top 100 REAL EXAM QUESTIONS
ANSWERS Get All PDF with Complete Questions
Answers File from 100 Exam Passing Guarantee
Money Back Assurance
Sample Questions
2

• Question 1
• Which three options are benefits of U-APSD?
  (Choose three.)
• synchronization of the transmission and reception
  of voice frames
• bandwidth reservation
• optimized power-save mode periods
• increased call capacity
• priority bandwidth and polling
• Answer A, C, D

• Question 2
• Which two options allow a Cisco Unified Wireless
  IP Phone 7925G to conserve its battery? (Choose
  two.)
• 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-save mode?
• Client can burst data without standard interface
  spacing.
• Client can burst data without ACKs.
• Client no longer sends null frame to notify of
  sleep mode.
• Client sleep mode is scheduled by AP to reduce
  jitter.
• Answer A

3
Question 4
from respective traffic
Which two items enable WMM to expedite frames
categories? (Choose two.) Consistent CWmin and
CWmax values Dynamic CWmin and CWmax values

• 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? (Choose two.)
• The client will associate with the cell with the
  highest RSSI value.
• The client will associate with the cell with the
  lowest SNR value.
• The client will associate with the cell
  broadcasting the highest 802.11e value.
• The client will associate with the cell
  broadcasting the highest TSPEC value.
• The client will associate with the cell
  broadcasting the lowest mandatory date rate.
• The client will associate with the cell
  broadcasting the highest data rate.
• The client will associate with the first cell
  that advertises U-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 edge reading?
• -55 dBm
• -60 dBm
• -62 dBm
• -67 dBm
• -70 dBm
• -73 dBm
• 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 VoWLAN deployment?
• 11 Mb/s
• 12 Mb/s
• 18 Mb/s
• 36 Mb/s
• 54 Mb/s
• Answer B

• Question 8
• Which three statements are true about load-based
  Call Admission Control? (Choose three.)
• grants a VoWLAN client-initiated call based on
  the number of active clients associated to the
  AP
• grants a VoWLAN client-initiated call based on
  channel bandwidth capacity
• uses the 802.11i specifications
• uses ADDTS action frames
• requires a WMM-enabled client
• 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 call
  quality?
• 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 call
  quality?
• 4
• 7
• 14
• 20
• 25
• 27
• Answer D

6
Buy Complete Questions Answers File from 100
Exam Passing Guarantee Money Back
Assurance PDF Version Test Engine Software
Version 60 Days Free Updates Service Valid for
All Countries