多项选择题
VOIP is being implemented in the Company network and you need to assess the need for QoS.
Which of the following network problems would indicate a need to implement QoS features？（）
A.Mis-routed packets
B.Excess jitter
C.Delay of critical traffic
D.Packet loss due to congestion
E.Data link layer broadcast storms
F.FTP connections unsuccessful
相关考题
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单项选择题
VOIP is being implemented on the Company network. In a properly designed network， what is the maximum amount of time a voice package should spend crossing a network？ （）
A.90 milliseconds
B.120 milliseconds
C.150 milliseconds
D.240 milliseconds -
单项选择题
Jitter is causing problems with the VOIP application in the Company network. What causes network jitter？（）
A.Variable queue delays
B.Packet drops
C.Transmitting too many small packets
D.Compression -
单项选择题
Refer to the exhibit. A trunk link is connected between switch A_SW and switch D_SW. Based on the configuration shown in the exhibit， how would the traffic coming from the switch A_SW be managed？ （）
A.The trunk port Fa0/1 on switch A_SW will trust allCoS values on the frames coming from the IP phone.
B.The trunk port Fa0/1 on switch A_SW will trust allCoS values on the frames received on the IP phone.
C.The trunk port Fa0/1 on switch D_SW will trust allCoS values on the frames coming from port Fa0/1 on A_SW.
D.The trunk port Fa0/1 on switch D_SW will trust allCoS values on the frames received on the A_SW switch port Fa0/4.
E.The trunk port Fa0/1 on switch D_SW will trust allCoS values on the frames received on the IP phone port.
