642-742 Cisco

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Sample Questions

Free 642-742 Sample Question 1

Which three options are benefits of U-APSD? (Choose three.)

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Free 642-742 Sample Question 2

Which two options allow a Cisco Unified Wireless IP P hone 7925G to conserve its battery? (Choose  two.)

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Free 642-742 Sample Question 3

Which statement describes the benefit of WMM U-APSD over legacy 802.11 power-save mode?

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Free 642-742 Sample Question 4

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

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Free 642-742 Sample 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.)

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Free 642-742 Sample 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?

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Free 642-742 Sample 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?

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Free 642-742 Sample Question 8

Which three statements are true about load-based Call Admission Control? (Choose three.)

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Free 642-742 Sample 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?

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Free 642-742 Sample 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?

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Free 642-742 Sample Question 11

A VoWLAN site survey was performed and equipment installed based on recommended design guidelines. Which two statements describe reasons to perform a post-deployment survey? (Choose two.)

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Free 642-742 Sample Question 12

Which attribute does the VoWLAN Readiness Tool of WCS v7.0 use to predict acceptable conditions?

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Free 642-742 Sample Question 13

You are deploying a combination of Cisco Unified Wireless IP Phones 7921G and 7925G at your branch offices in a centralized call processing environment that requires high availability at branch locations. Which three components need to be verified before the wireless IP phones can be deployed? (Choose three.)

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Free 642-742 Sample Question 14

You have recently added Cisco Unified Wireless IP Phones 7921G and 7925G to your branch office. The new wireless and wired IP phones are experiencing poor call quality when receiving calls across the IP WAN from the remote HQ. What is the most likely issue?

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Free 642-742 Sample Question 15

Your Cisco Unified Wireless IP Phones 7921G and 7925G are associated with the VoWLAN at your branch office. When they attempt to place a call, the call fails to go through and you receive a fast busy tone. What is the issue?

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Free 642-742 Sample Question 16

Which two Cisco components are required to extend an existing VoWLAN to dual-mode wireless phones? (Choose two.)

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Free 642-742 Sample Question 17

A web browser is opened to a new Cisco Unified Wireless IP Phone 7921G or 7925G connected to a windows computer via USB. Which statement describes the ability to read and write configuration parameters to prime the phone for its first VoWLAN association and its association to a Cisco Unified Communications Manager?

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Free 642-742 Sample Question 18

Which DHCP option is used by Vocera badges to reach a Cisco Unified Communications Manager?

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Free 642-742 Sample Question 19

When a Vocera badge performs a broadcast call in a properly configured VoWLAN using WLC v7.0, which two choices indicate how the QoS is marked? (Choose two.)

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Free 642-742 Sample Question 20

When designing the coverage area for high call capacity, what two actions should you take with data rates and channels? (Choose two.)

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Free 642-742 Sample Question 21

Which two pieces of information from the Cisco WLC v7.0 GUI does Monitor > Clients provide about a VoWLAN client? (Choose two.)

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Free 642-742 Sample Question 22

What are two benefits that result from Cisco WLC configuration of DCA for 5-GHz VoWLAN deployments? (Choose two.)

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Free 642-742 Sample Question 23

What is the best practice for configuring data rates for an 802.11a VoWLAN deployment?

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Free 642-742 Sample Question 24

What is the best practice for configuring data rates for an 802.11b VoWLAN deployment?

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Free 642-742 Sample Question 25

What is the best practice for setting the WLC v7.0 use of WLAN QoS settings to support SIP phones on a VoWLAN?

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