單項選擇題

Which codec standard requires a bit rate of 64 kbps to maintain a mean opinion score of 4.1？（）

A.G711
B.G726
C.G728
D.G729
E.G729A

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多項選擇題

AutoQoS Discovery has run on the Acme Entertainment Company’s network for several days and has produced the suggested policy shown in the exhibit. Acme wishes to 1） allow more bandwidth for browser-type traffic because it is the job of many of their employees to be browsing the web as a part of their job， and 2） to allow greater bandwidth for file transfers because they expect an upcoming surge in movie uploads and downloads. Which two statements would you replace to best accomplish those goals without sacrificing voice quality？ （）

A.in class class-default, replace fair-queue with bandwidth remaining percent 50 
B.in class autoqos-transactional-Fa0/1, replace bandwidth remaining percent 40 with bandwidth remaining percent 20 
C.in class autoqos-transactional-Fa0/1, replace bandwidth remaining percent 40 with bandwidth remaining percent 30 
D.in class autoqos-Bulkl-Fa0/1, replace bandwidth remaining percent 19 with bandwidth remaining percent 25 
E.in class autoqos-Scavenger-Fa0/1, replace bandwidth remaining percent 1 with bandwidth remaining percent 10 
F.in class autoqos-Signaling-Fa0/1, replace bandwidth remaining percent 4 with bandwidth remaining percent 1 
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