The following questions test your knowledge of topics explained in this chapter. You can find the answers to the questions in Appendix A, "Answers to Chapter Review Questions."
Which two factors affect voice clarity?
Identify two broad categories of delay under which more specific types of delay are categorized?
Serialization delayfixed delay
According to ITU-T Recommendation G.114, how much delay is acceptable for most user applications?
0 to 150 ms
200 to 250 ms
150 to 400 ms
Above 400 ms
Which of the following QoS mechanisms does the AutoQoS feature enable on a Catalyst switch port?
What Cisco IOS software feature allows AutoQoS for Enterprise to dynamically discover an interface's traffic patterns?
Which of the following interface configuration mode commands enables AutoQoS on an interface and instructs the interface to trust Layer 2 CoS priority markings only if those CoS markings came from a Cisco IP phone?
auto qos voip device cisco-phone
auto qos voip cisco-phone
auto qos voip trust cos
auto qos voip trust cisco-phone
If CAC and LLQ are enabled on a link, which traffic will be transmitted first?
Small data packets
Large data packets
Packets that arrived first
At what location in the network are CAC call control services configured?
With the _______________________ command, you can configure two thresholds, high and low, for each resource.
Which feature of Cisco Unified CallManager allows you to specify the maximum bandwidth available for calls to and from each location?