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1. Which three options are benefits of U-APSD? (Choose three.)
A) optimized power-save mode periods
B) synchronization of the transmission and reception of voice frames
C) increased call capacity
D) priority bandwidth and polling
E) bandwidth reservation
2. You are getting complaints from Cisco Unified Wireless IP Phone 7925 users that their phones are failing to register with the Cisco Unified Communications Manager Express server and are showing the message "Registering." What is the problem?
A) The IP phones are failing to receive a DHCP address from the DHCP server.
B) There is no ephone configuration for each phone in the Cisco Unified CME device.
C) The DHCP server needs to include the command option 66 ip <ip address> to serve the appropriate load file.
D) The IP phones are failing to receive their firmware files from the TFTP server.
3. Refer to the exhibit.
Which two statements describe information that you can derive from the WCS v7.0 output from the Monitor Client Detail? (Choose two.)
A) Comparing the RSSI and SNR can provide specific information on QoS performance in the VoWLAN.
B) If the parameters are consistently good, then voice-related issues being reported by users are probably not related to RF parameters.
C) Comparing the RSSI and SNR can provide specific information on where the client has roamed and if there is a problem with one or more AP configurations.
D) Comparing the information to the location of the client can provide the first hint of voice-related issues.
E) Comparing the RSSI and SNR can provide specific information on the relative distance of the client from the AP during a call.
4. Refer to the exhibit.
A customer with a high-density deployment has called stating there have been voice quality issues with roaming clients. Given the configuration, what is the problem?
A) Static IP tunneling should be enabled so that the voice clients can be tunneled properly.
B) Band-Select has not been enabled and is allowing the voice client to switch bands when roaming.
C) DTIM should be configured to 2 on both 2.4 and 5ghz to aid in delivery of wireless frames during roaming.
D) Load-Balancing is enabled and sending reason code 17 to roaming voice clients.
5. Which four statements describe attributes of interactive video? (Choose four.)
A) Jitter has no significant requirements.
B) Packet loss is limited to 5 percent.
C) Jitter is limited to 30 ms.
D) QoS marking is at AF41.
E) Packet loss is limited to 1 percent.
F) QoS marking is at CS4.
G) One-way latency is limited to 150 ms.
H) One-way latency is limited to a few seconds.
Solutions:
| Question # 1 Answer: A,B,C | Question # 2 Answer: D | Question # 3 Answer: B,D | Question # 4 Answer: D | Question # 5 Answer: C,D,E,G |
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