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Share some CCNP Collaboration 300-080 exam questions and answers below.
Which two issues can prevent an IP Phone from receiving an IP address via DHCP? (Choose two.)
A. The DHCP server is not on the same VLAN as the phone.
B. The DHCP scope's leases are exhausted.
C. DHCP Option 150 is incorrect.
D. The TFTP server is not reachable.
E. The DHCP scope is not defined for the subnet of the phone.
Answer: A,B
A user using a CP-9971 SIP phone reports that during a video call, the video portion of the call freezes. What should you do in order to point to and troubleshoot the issue?
A. Restart the phone.
B. On the phone, navigate to Administrator Settings > Status > Call Statistics > Video > Video statistics > Rcvr Packets statistics. Verify if the phone is receiving packets.
C. Make sure that the camera is connected to the USB.
D. Verify if the camera shutter is open.
E. Perform a factory reset of the phone.
Answer: B
When identifying Cisco TelePresence Endpoint traffic characteristics, which three statements are true? (Choose three.)
A. Latency, jitter, and loss are measured in a round-trip fashion.
B. Latency, jitter, and loss are measured unidirectionally.
C. Latency and loss are measured at a packet level, based on RTP header sequence numbers and time stamps.
D. Latency and jitter are measured at a packet level, based on RTP header sequence numbers and time stamps.
E. Jitter is measured at a video frame level, by measuring the arrival time of the video frame versus the expected arrival time.
F. Jitter is measured at a packet level, by measuring the arrival time of the packet versus the expected arrival time.
Answer: B,C,E
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