Cisco CCNP Wireless IUWVN Set 1

1.

What are the benefits from enabling TSM for a VoWLAN using a WLC v7.0?

provides packet loss and latency covering the end-to-end voice path on all links provides packet loss and latency covering the end-to-end voice path on all links and additional parameters on the VoWLAN segment provides packet loss covering the end-to-end voice path on all links and additional parameters on VoWLAN segment provides packet loss, latency, and additional parameters on VoWLAN call segment

2.

A downstream packet containing a DSCP value arrives at the WLC Ethernet interface from the wired source network. The WLC is configured for QoS WLAN 802.1p mapping. How does the WLC treat the CAPWAP QoS marking when leaving the controller interface for the respective AP and final wireless client destination?

No outer CAPWAP or inner QoS tagging is applied. No outer CAPWAP QoS tag is applied, but the original DSCP is maintained inside CAPWAP. The outer CAPWAP CoS is marked and capped while the inner DSCP maintains the original marking. The outer CAPWAP DHCP is marked and capped without any inner DSCP value.

3.

Which statement is correct for the LWAPP/CAPWAP AP upstream encapsulated frame for a WMM-associated client frame that is centrally switched running v5.2?

Wireless client WMM UP classification is translated to a wired DSCP priority. Wireless client 802.11p classification is translated to a wired DSCP priority. Wireless client WMM UP classification is translated to a wired 802.1p CoS priority. Wireless client 802.11p classification is translated to a wired 802.1p CoS priority.

4.

VoWLAN implementation plans for a current mix of existing Cisco Unified Wireless IP Phones 7920G and 7921G to a final migration of Wireless IP Phones 7925G in a single WLAN. What would be the most appropriate WLC WLAN configuration to end with Wireless IP Phones 7925G?

7920 Client CAC = enabled only; Radio Policy = All; WMM = Disabled

7920 AP CAC = enabled only; Radio Policy = All; WMM = Allowed

7920 Client CAC = enabled only; Radio Policy = 802.11a only; WMM = Disabled

7920 AP CAC = enabled only; Radio Policy = 802.11a only; WMM = Allowed

7920 Client CAC = enabled only; Radio Policy = 802.11b/g only; WMM = Disabled

5.

You have a VoWLAN configured for platinum QoS, WMM, and CAC. IP phones for this VoWLAN include the Nokia and Cisco Unified Wireless IP Phones 7920G (pre-v2.0 firmware), 7921G, and 7925G. The Wireless IP Phones 7921G and 7925G work properly, but the Nokia and the Wireless IP Phones 7920G associate with the WLAN but cannot place calls. What is the issue?

The lowest mandatory speed in the WLAN is too high and needs to be reduced. The Cisco Unified Wireless IP Phones 7920G and Nokia IP phones do not support TSPEC. EDCA needs to be enabled on the WLAN. HCCA needs to be enabled on the WLAN. The reserved roaming bandwidth setting is set too low.

6.

WLC v7.0 is configured for multicast with WLC-to-AP multicast mode, using IP address 239.10.10.10 and IGMP snooping enabled, with all other parameters set to default. What QoS value is given to multicast traffic between a WLC and APs?

BE EF CS5 CS4 CS3

7.

WLCs v7.0 have been configured for multicast and IGMP snooping enabled, with all other parameters set to default. A wireless client actively receiving a multicast group roams from WLC1 to WLC2, both of which are configured for the client IP subnet. Which statement describes the roaming process?

There is no required action from the client and WLC2 becomes the local anchor controller. A new IGMP packet is required from the client and WLC2 becomes the local anchor controller. There is no required action from the client and WLC2 becomes foreign controller and WLC1 becomes anchor controller. A new IGMP packet is required from the client and WLC2 becomes foreign controller and WLC1 becomes anchor controller.

8.

How much overhead is added by CAPWAP encapsulation?

60 B 14 B 28 B 44 B 50 B

9.

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

Packet loss is limited to 1 percent. QoS marking is at AF41. One-way latency is limited to 150 ms. One-way latency is limited to a few seconds. Jitter is limited to 30 ms.

10.

What is the minimum overhead (header plus FCS) added by 802.11 (no encryption, no WMM) between a wireless client and an AP?

18 B 24 B 28 B 35 B 36 B

Cisco CCNP Wireless IUWVN Set 1

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Cisco CCNP Wireless IUWVN Set 1

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