[Free] 2017(Oct) EnsurePass Testking Cisco 642-742 Dumps with VCE and PDF 11-20

EnsurePass
2017 Oct Cisco Official New Released 642-742
100% Free Download! 100% Pass Guaranteed!
http://www.EnsurePass.com/642-742.html

Implementing Cisco unified Wireless Voice Networks (IUWVN) v2.0

Question No: 11

IGMP snooping has been enabled on a Cisco WLC v7.0, along with any other configurations that are required for wireless multicast. Which statement describes an IGMP leave message to a router when IGMP snooping is enabled?

  1. The message is sourced from the wireless client.

  2. The message is sourced from the Cisco WLC management interface.

  3. The message is sourced from the Cisco WLC virtual interface.

  4. The message is sourced from the Cisco WLC dynamic interface.

  5. No message is sent, and the membership is timed out.

Answer: E

Question No: 12

A customer requests that wireless infrastructure is able to support video over wireless for streaming corporate informational videos for new-hire employees. What two minimum requirements should be met when laying out the guidelines to support video streaming? (Choose two.)

  1. acceptable delay for video should not exceed 4 to 5 seconds

  2. acceptable delay for video should not exceed 150ms

  3. loss rate should not exceed 1%

  4. the loss rate should not exceed 5%

  5. acceptable delay for video should not exceed 9 to 10 seconds

  6. no loss should occur

Answer: A,D

Question No: 13

Which of these statements best describes the Cisco Compatible Extensions quot;AP Specified Max Powerquot; feature?

  1. The Cisco Compatible Extensions-capable client sets its power independently and confirms with the AP if its setting is supported.

  2. After a Cisco Compatible Extensions client associates to an AP, that AP will inform the other surrounding APs what power settings that client supports in case it roams to another AP.

  3. The AP automatically sets the transmit power of each of its Cisco Compatible Extensions-capable clients.

  4. The AP automatically sets the transmit and receive power of each of its Cisco Compatible Extensions-capable clients.

Answer: C

Question No: 14

Ensurepass 2017 PDF and VCE

Refer to the exhibit. A network engineer is troubleshooting wireless voice issues on a network using EAP-FAST with PAC provisioning. Authentication is working properly on laptops but is failing on phones. What configuration change is needed?

  1. Identity Request Timeout to 60

  2. Identity Request Timeout to 10

  3. Request Timeout to 5

  4. Request Timeout to 30

  5. EAPOL-Key Max Retries to 1

  6. EAPOL-Key Max Retries to 5

Answer: D

Question No: 15

VoIP clients can be impacted by jitter. Which of these statements best describes jitter?

  1. Jitter occurs because the receiver buffer is smaller than the sender buffer, thus packets are dropped and voice quality becomes worse.

  2. Jitter is defined as variation in the delay of received packets.

  3. Jitter can be reduced by designing cells that use only the 802.11a frequency band.

  4. A best practice to avoid jitter is to ensure that the end-to-end round-trip time does not exceed 150 ms.

Answer: B

Question No: 16

Which two statements are correct if IGMP snooping is enabled on a Cisco WLC v7.0? (Choose two.)

  1. The router IGMP table is updated with the IP address of the wireless clients as the last reporter.

  2. The IGMP packets from the wireless clients are forwarded to the router without modifications.

  3. The IGMP packets from the wireless clients are received at the Cisco WLC, which generates a query for the client.

  4. The IGMP packets from the wireless clients are received at the WLC and are used to update the router via a Cisco Group Management Protocol update from the Cisco WLC.

  5. The router IGMP table is updated with the IP address of the Cisco WLC as the last reporter.

Answer: C,E

Question No: 17

Ensurepass 2017 PDF and VCE

Refer to the exhibit. What CoS marking is DSCP EF translated too?

  1. 2

  2. 3

  3. 4

  4. 5

  5. 6

  6. 7

Answer: B

Question No: 18

When reviewing a design for a voice over wireless deployment, what per-call bandwidth cost should be factored in when determining maximum calls per cell using SIP and G.711u as the codec?

  1. 80 bytes

  2. 64 bytes

  3. 10 bytes

  4. 8 bytes

Answer: A

Question No: 19

Ensurepass 2017 PDF and VCE

Refer to the exhibit. What two items need to be supported on the VoWLAN phones in order to take full advantage of this WLAN configuration? (Choose two.)

A. 802.11e

B. WMM C. 802.11a D. 802.11r

  1. APSD

  2. SIFS

Answer: A,B

Question No: 20

Wireless IP phone users are complaining that during the day there are certain points in the facility where voice quality is poor. How should you troubleshoot this issue?

  1. Perform a detailed analysis of the voice call quality from end to end.

  2. Ask the users to capture voice quality statistics from their wireless IP phones the next time they have issues.

  3. Go into the Cisco WLC and monitor client details for WMM issues.

  4. Locate the APs in question and use the Cisco WLC to enable TSM to capture WLAN voice traffic statistics.

Answer: D

100% Free Download!
Download Free Demo:642-742 Demo PDF
100% Pass Guaranteed!
Download 2017 EnsurePass 642-742 Full Exam PDF and VCE

EnsurePass ExamCollection Testking
Lowest Price Guarantee Yes No No
Up-to-Dated Yes No No
Real Questions Yes No No
Explanation Yes No No
PDF VCE Yes No No
Free VCE Simulator Yes No No
Instant Download Yes No No

2017 EnsurePass IT Certification PDF and VCE

You must be logged in to post a comment.

Proudly powered by WordPress   Premium Style Theme by www.gopiplus.com