Practice Free 350-801 Exam Online Questions
Refer to the exhibit.
Which codec is negotiated?
- A . iLBC
- B . G.711ulaw
- C . G.728
- D . G.729
If a trust boundary is placed on a Cisco IP phone, what occurs with the packets that come to the phone from a PC?
- A . The phone sets/resets the CoS field to 3 for voice signaling and 5 for voice traffic.
- B . The phone does not mark any packets, and the access switch sets up the CoS values.
- C . The phone sets/resets the CoS field to 0; voice signaling is set to 3; and voice traffic is set to 5.
- D . QoS is performed at the distribution layer, and packets are marked at this boundary.
Refer to the exhibit.
An engineer is troubleshooting a codec negotiation issue where both endpoints that are involved in the call support the codecs listed in the exhibit.
Which audio codec is selected if a call between two endpoints in Region1 is placed?
- A . G.722
- B . G.729
- C . G.711a
- D . G.711u
What happens when a Cisco IP phone loses connectivity to the cluster during an active call?
- A . The call drops immediately.
- B . The call drops after missing two keepalives from Cisco UCM.
- C . The call continues to be active, but features like transfer or hold do not work.
- D . The call continues and all features work.
An engineer implements a new Cisco UCM based telephony system per these requirements:
✑ The local Ethernet bandwidth is sized based on the total bandwidth per call.
✑ A G.736 codec is used.
✑ The bit rate is 64 kbps.
✑ The codec sample interval is 10 ms.
✑ The voice payload size is 160 bytes per 20 ms.
What should the size of the Ethernet bandwidth be per call?
- A . 31.2 kbps
- B . 38.4 kbps
- C . 55.2 kbps
- D . 87.2 kbps
What is a QoS requirement for VoIP calls?
- A . 15% packet loss
- B . 150% bps per phone of guaranteed bandwidth
- C . 150% ms of jitter
- D . 150% ms of one-way latency from mouth to ear
Refer to the exhibit.
Endpoint A calls endpoint B.
What is the only audio codec that can be used for the call?
- A . Telephone-event/8000
- B . G7221/16000
- C . PCMA/8000
- D . G722/8000
Which DSCP value must be selected to mark video traffic between two Cisco 8845 phones?
- A . 24
- B . 32
- C . 34
- D . 46
What is the traffic classification for voice and video conferencing?
- A . Voice is classified as CoS 4, and video conferencing is CoS 5.
- B . Voice is classified as CoS 5, and video conferencing is CoS 4.
- C . Voice and video conferencing are both classified is CoS 3.
- D . Video conferencing is classified as CoS 1, and voice is CoS 2.
Where would an administrator assign the system shadow location for implementing intercluster enhanced locations CAC in Cisco UCM?
- A . nongatekeeper-controlled intercluster trunk
- B . SIP intercluster trunk
- C . H.225 trunk
- D . gatekeeper-controlled inter cluster trunk