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."
1.
Which two factors affect voice clarity?
Fidelity
Echo
Sidetone
Background noise
Distance
2.
Identify two broad categories of delay under which more specific types of delay are categorized?
Variable delay
Serialization delayfixed delay
FIFO delay
Processing delay
3.
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
4.
Which of the following QoS mechanisms does the AutoQoS feature enable on a Catalyst switch port?
LFI
cRTP
WRR
LLQ
5.
What Cisco IOS software feature allows AutoQoS for Enterprise to dynamically discover an interface's traffic patterns?
NBAR
ACLs
CEF
CBAC
6.
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
7.
If CAC and LLQ are enabled on a link, which traffic will be transmitted first?
Small data packets
Large data packets
Voice packets
Packets that arrived first
8.
At what location in the network are CAC call control services configured?
Incoming gateway
Outgoing gateway
Incoming gatekeeper
Outgoing gatekeeper
Entire network
9.
With the _______________________ command, you can configure two thresholds, high and low, for each resource.
call spike
call threshold
call treatment
rtr responder
10.
Which feature of Cisco Unified CallManager allows you to specify the maximum bandwidth available for calls to and from each location?