[Free] 2017(Oct) EnsurePass Testking Cisco 642-742 Dumps with VCE and PDF 111-120

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2017 Oct Cisco Official New Released 642-742
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Implementing Cisco unified Wireless Voice Networks (IUWVN) v2.0

Question No: 111

Assuming 30% total overhead and no other clients on an AP, how many single stream 802.11n 2.4GHz IP cameras that output a 6 Mbps video feed could one 802.11n AP support?

  1. 4 cameras

  2. 8 cameras

  3. 12 cameras

  4. 16 cameras

Answer: B

Question No: 112

A WLC v7.0 is configured for multicast with WLC-to-AP multicast mode using IP address 239.10.10.10, IGMP snooping enabled, and all other parameters set to default. Which two statements describe how a wired ingress broadcast and multicast frame are handled? (Choose two.)

  1. WLC will forward the broadcast frame to all APs and then to all WLANs.

  2. WLC will forward the broadcast frame to all APs and then to only WLANs with active clients.

  3. WLC will forward a broadcast frame to only APs and their respective WLANs with active clients.

  4. WLC will drop the broadcast frame.

  5. WLC will forward the multicast frame to all APs and then to all WLANs.

  6. WLC will forward the multicast frame to all APs and then to only WLANs with active clients.

  7. WLC will forward a multicast frame to only APs and their respective WLANs with active clients.

  8. WLC will drop the multicast frame.

Answer: D,F

Question No: 113

An engineer finishes configuring a voice over wireless deployment. However, during the testing phase, the 7925 series phones are not able to complete calls and display Network Busy. CAC has been configured for the wireless system. What action should the engineer take next to troubleshoot the issue?

  1. ensure the lowest data rate is 12Mbps and set to Mandatory, and verify there is enough allocated bandwidth to support voice calls

  2. check that the lowest data rate is 5.5Mbps to support TSPEC, and verify that the SSID is set to Platinum

  3. modify the SIP CAC Access Control List on the controller to permit voice traffic for 7925 phones

  4. turn off traffic stream metrics

Answer: A

Question No: 114

An engineer has been assigned the task of deciding the cell overlap for a wireless voice deployment. Which Cisco measurement recommendation should be considered?

  1. The edge of the cell should be -67 dBm.

  2. One AP should be deployed per 3000 square feet.

  3. The edge of the cell should be below 35 RSSI.

  4. The measurement should be done on the 2.4-GHz band.

Answer: A

Question No: 115

The customer has deployed C7260 phones with clients connected to them. What switch feature could be enabled to distinguish IP voice traffic from client data traffic?

  1. QBSS

  2. WME

  3. QoS routing

  4. Weighted Queuing

  5. Voice VLAN

Answer: E

Question No: 116

Using proper VoWLAN design practice, what would be the Cisco recommended total number of calls for a properly designed 802.11g cell to ensure call quality?

  1. 4

  2. 7

  3. 14

  4. 20

  5. 25

  6. 27

Answer: C

Question No: 117

When Vocera badges communicate from badge to badge, which voice codec is used?

A. G.723

B. G.729A

C. G.711

  1. G.729B

  2. the Vocera proprietary codec

Answer: E

Question No: 118

Refer to the exhibit.

Ensurepass 2017 PDF and VCE

Voice-bearer traffic is being sent downstream using a WLAN configured for gold QoS. Which two of these options indicate the inner 802.11e QoS markings and QoS CAPWAP markings that are used at location 1? (Choose two.)

  1. Inner 802.11e: UP 5

  2. Inner 802.11e: UP 4

  3. Outer CAPWAP: CoS 4

  4. Inner 802.11e: UP 3

  5. Outer CAPWAP: DSCP AF31

  6. Outer CAPWAP: DSCP AF41

Answer: A,F

Question No: 119

Using proper VoWLAN design practice, what would be the Cisco recommended total number of calls for a properly designed 802.11a cell to ensure call quality?

  1. 4

  2. 7

  3. 14

  4. 20

  5. 25

  6. 27

Answer: D

Question No: 120

You have two packets with decimal ToS values of 32 and 34. What are their results, respectively, in an IP precedence-only device?

  1. Both packets have an IP precedence tag of CS4, and the packet with the decimal value of 34 has a higher drop probability.

  2. The packet with the decimal value of 32 has an IP precedence tag of CS4, while the other decimal value of 34 is ignored and treated as best effort.

  3. The packet with the decimal value of 34 has an IP precedence tag of CS4, while the other decimal value of 32 is ignored and treated as best effort.

  4. Both packets have a decimal value that results in an IP precedence tag of CS4.

Answer: D

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