多选题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？（）AMis-routed packetsBExcess jitterCDelay of critical trafficDPacket loss due to congestionEData link layer broadcast stormsFFTP connections unsuccessful
多选题
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
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