642-742 Latest Exam (Aug 2018)

[Free] 2018(Aug) Dumps4cert Cisco 642-742 Dumps with VCE and PDF Download 91-100

August 11, 2018

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

Question No: 91

Refer to the exhibit.

Dumps4Cert 2018 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 6

  2. Outer CAPWAP: DSCP EF and CoS 5

  3. Outer CAPWAP: DSCP 46 and CoS 4

  4. Inner 802.11e: UP 3

  5. Outer CAPWAP: DSCP AF31 and CoS 3

  6. Outer CAPWAP: DSCP AF41 and CoS 4

  7. Outer CAPWAP: CoS 5

  8. Inner 802.11e: UP 5

Answer: C,H

Question No: 92

Which two statements best describe streaming video? (Choose two.)

  1. Video streams require maximum quality compression and decompression.

  2. Video streams require a high speed of compression only.

  3. H.323 codecs are commonly used.

  4. MPEG codecs are commonly used.

Answer: A,D

Question No: 93

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.)

  1. There is insufficient information about the number of people in the area when the survey is performed.

  2. There is insufficient information by AirMagnet VoFi Analyzer.

  3. There are elevator shafts.

  4. There are roaming pathways.

  5. There are changes in temperature in the indoor environment.

Answer: A,D

Question No: 94

WLC v7.0 is configured for multicast with WLC-to-AP multicast mode, using IP address and IGMP snooping enabled, with all other parameters set to default. What

QoS value is given to multicast traffic between a WLC and APs?

  1. CS6

  2. EF

  3. CS5

  4. CS4

  5. CS3

  6. CS2

  7. CS1

  8. BE

Answer: H

Question No: 95

Which four statements describe the attributes of streaming video? (Choose four.)

  1. Packet loss is limited to 1 percent.

  2. Packet loss is limited to 5 percent.

  3. One-way latency is limited to 150 ms.

  4. One-way latency is limited to a few seconds.

  5. Jitter is limited to 30 ms.

  6. Jitter has no significant requirements.

  7. QoS marking is at CS4.

  8. QoS marking is at AF41.

Answer: B,D,F,G

Question No: 96

What is the main difference between the Cisco Unified Wireless IP Phone 7921G and the Cisco Unified Wireless IP Phone 7925G?

  1. The 7925G supports 802.11a/b/g, whereas the 7921G supports only 802.11b/g.

  2. The 7925G is suited for a more rugged environment.

  3. The 7925G has support for 802.11n, whereas the 7921G does not.

  4. 7925G supports WPA2, whereas the 7921G supports only WPA1.

Answer: B

Question No: 97

A Cisco partner has finished completing a CUWN install for a healthcare customer. After completing the deployment, the support center has received a ticket stating the 7925 VoIP phones will not connect in a few of the remote offices. The phones display #39;configuring IP#39; consistently. What would be the next step for troubleshooting?

  1. verify option 43 has been configured

  2. verify option 150 has been configured

  3. verify the DNS server has been configured

  4. verify the domain name has been configured

Answer: B

Question No: 98

A wired packet that is marked for QoS priority CS4 arrives on VLAN-4 at Cisco WLC v7.0, with a destination of a WLAN SSID-4. The Cisco WLC is configured for the wired and wireless QoS level of Silver. The infrastructure routers and switches have incorrect QoS configurations. They have mismarked the CAPWAP outer header to a QoS priority EF.

Which statement is true about how the packet is sent from the AP to the final WMM wireless client?

  1. The AP sends the packet with an 802.11 priority tag of 0 (Best Effort).

  2. The AP sends the packet with an 802.11 priority tag of 3 (Silver).

  3. The AP sends the packet with an 802.11 priority tag of 5 (Gold).

  4. The AP sends the packet with an 802.11 priority tag of 6 (Platinum).

Answer: B

Question No: 99

Which WCS tool will be especially helpful to ensure that all VoWLAN configurations are consistent across all controllers?

  1. Inspect VoWLAN Readiness

  2. Traffic Stream Metrics

  3. Voice Audit Report

  4. Voice Diagnostic

  5. Monitor Client Detail

Answer: C

Question No: 100

What happens to a wireless client when it moves from one controller to another in a different mobility domain?

  1. The client will have to reauthenticate, reassociate, and get new IP address information.

  2. The client will have to reauthenticate and reassociate, but will be able to keep its IP address information.

  3. Nothing happens as long as the client roams within the same mobility group.

  4. It is not possible to roam to a different mobility domain.

Answer: A

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