[单选] An expanding company is deploying leased lines between its main site and two remote sites. Thebandwidth of the leased lines is 128kb/s each，terminated on different serial interfaces on the main router.These links are used for combined VOIP and data traffic. The network administrator has implemented a VOIP solution to reduce costs，and has therefore reserved sufficient bandwidth in a low latency queue oneach interface for the VOIP traffic. Users now complain about bad voice quality although no drops areobserved in the low latency queue. What action will likely fix this problem？（）

A . mark VOIP traffic with IP precedence 6 and configure only fair-queue’ on the links
B . configure the scheduler allocate 3000 1000 command to allow the OoS code to have enough CPU cycles
C . enable class-based traffic shaping on the VOIP traffic class
D . enable Layer 2 fragmentation and interleaving on the links
E . enable Frame Relay on the links and send voice and data on different Frame Relay PVC

下列几部罗马文学作品中，哪一部不是维吉尔的作品？（）《埃涅阿斯纪》。《农事诗》。《物性论》。《牧歌》。对于不需要（）个工日就可以修复的房屋，一般不计入损坏房屋间数，只统计其经济损失。 1。 2。 3。 4。实施运输安全检查的职工应当佩戴执勤标志。办理改晚乘车签证手续时，最迟不超过开车前1小时。（）酶的辅助因子 An expanding company is deploying leased lines between its main site and two remote sites. Thebandwidth of the leased lines is 128kb/s each，terminated on different serial interfaces on the main router.These links are used for combined VOIP and data traffic. The network administrator has implemented a VOIP solution to reduce costs，and has therefore reserved sufficient bandwidth in a low latency queue oneach interface for the VOIP traffic. Users now complain about bad voice quality although no drops areobserved in the low latency queue. What action will likely fix this problem？（）

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