Which field of a Real-Time Transport Protocol packet allows receiving devices to detect lost packets?
C
Reference:
https://www.oreilly.com/library/view/packet-guide-to/9781449339661/ch04.html
Which DiffServ marking is the most likely to drop packets?
A
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_dfsrv/configuration/15-mt/qos-dfsrv-15-mt-book/qos-dfsrv.html
What is a QoS requirement for VoIP calls?
D
Reference:
https://www.ciscopress.com/articles/article.asp?p=357102#:~:text=One%2Dway%20latency%20(mouth%20to,and%20Layer%202%20media%
20overhead)
.
What is set when using CoS to mark an Ethernet frame?
D
End users report bad video quality and voice choppiness on Cisco Collaboration endpoints. The engineer changed the device pool the users were in but did not correct the problem. Which action should be taken to troubleshoot this issue?
D
Which two approaches are taken to implement CAC within Cisco UCM in full-mesh topology? (Choose two.)
CE
An administrator is troubleshooting an issue where an 8845 is not joining the correct voice VLAN configuration from a switch and they believe that LLDP is the issue. Which command allows the administrator to see the packets sent from the phone to the switch?
B
What happens to voice packets from a Cisco 8845 IP Phone in the QoS trust boundary?
D
Reference:
https://www.ccexpert.us/qos-implementing/qos-trust-boundary-in-the-lan-classify-and-mark-where.html
What does average rate limiting allow?
A
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_plcshp/configuration/15-mt/qos-plcshp-15-mt-book/qos-plcshp-oview.html
How does traffic policing respond to violations?
C
Reference:
https://www.cisco.com/c/en/us/support/docs/quality-of-service-qos/qos-policing/19645-policevsshape.html
