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單項選擇題

Which of the following applications is MOST likely to require QoS to ensure proper functionality?（）

A. HTTP
B. VoIP
C. SNMPv3
D. Peer to peer

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單項選擇題

A technician is troubleshooting a network connectivity issue. Given the following abbreviated trace
route output:

Which of the following is MOST likely occurring?（）

A. Switching loop
B. Broadcast storm
C. IP conflict
D. Routing loop

單項選擇題

At which of the following layers does the TCP protocol operate?（）

A.Layer 1
B.Layer 4
C.Layer 6
D.Layer 7