Close Window Assessment System 1. Assessment Selection 2. Assessment Settings Take Assessment - Module 7 Exam - CCNP: Building Multilayer Switched Networks (Version 5.0) Time Remaining:1 Which three statements about voice traffic are true? (Choose three.) TCP ensures the quality of voice traffic. The one-way delay should be no more than 150 ms. Voice packets typically vary between 20 and 60 bytes. A typical voice call requires between 17 kbps and 106 kbps. A typical voice call requires approximately 150 bps for voice-control traffic. Voice traffic has relatively weak QoS requirements. 2 What are three characteristics of voice traffic? (Choose three.) For reasonable voice quality, there cannot be any packet loss. For voice quality, delay should be no more than 45 ms round trip. For voice quality, delay should be no more than 150 ms one way. TCP is used to package voice packets. UDP is used to package voice packets. Voice packets are typically small - usually 60 to 120 bytes. 3 Refer to the exhibit. Which switch interface configuration command would automatically configure quality of service (QoS) for voice overIP (VoIP) within a QoS domain? mls qos trust switchpo rt priority extend cos 7 switchpo rt priority ex tend trust auto qos voip cisco-phone 4 Refer to the exhibit. PC data traffic and IP phone packet data share the same physical link to the switch and the same switch port. What should be done to prevent the sound quality of the voice traffic f rom deteriora tion when data is sent on the same link? Configure the trust boundaries of the network at the switch access port. 1 / 3
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