题目内容

A.语音数字接口B.乐器数字接口C.语音模拟接D.乐器模拟接口

A. 语音数字接口
B. 乐器数字接口
C. 语音模拟接
D. 乐器模拟接口

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业主的义务有()。
①遵守业主公约,业主大会章程
②遵守物业管理区域内物业共用部位和共用设施设备的使用、公共秩序和环境卫生的维护等方面的规章制度
③执行业主大会的决议和业主大会授权业主委员会作出的决定
④按照国家有关规定缴纳专项维修基金
⑤按时缴纳物业服务费
⑥法律、法规规定的其他义务

A. ①②③⑤⑥
B. ①②③④⑤⑥
C. ①③④⑤⑥
D. ②③④⑤⑥

大容量的辅助存储器常采用RAID磁盘阵列。RAID的工业标准共有6级。其中(6)是镜像磁盘阵列,具有最高的安全性;(7)是无独立校验盘的奇偶校验码磁盘阵列;(8)是采用纠错海明码的磁盘阵列;(9)则是既无冗余也无校验的磁盘阵列,它采用了数据分块技术,具有最高的I/O性能和磁盘空间利用率,比较容易管理,但没有容错能力。

A. RAID0
B. RAID1
C. RAID2
D. RAID3

采用可变长子网掩码技术可以把大的网络分成小的子网,例如把子网掩码为255. 255.0.0的网络40.15.0.0分为两个子网,假设第一个子网为40.15.0.0/17,则第二个子网为(56)。假设用户X1有2000台主机,则至少应给他分配(57)个C类网络,如果分配给用户X1的网络号为196.25.0,则指定给X1的子网掩码为(58);假设给用户 X2分配的C类网络号为196.25.16.0~196.25.31.0,则X2的子网掩码应为(59):如果路由器收到一个目标地址为11000100.00011001.01000011.00100001的数据报,则该数据报应送给(60)用户。

A. 40.15.1.0/17
B. 40.15.2.0/17
C. 40.15.100.0/17
D. 40.15.128.0/17

听力原文: Our company's offices are filled with models and gadgets that employees have built to test their ideas. We encourage this kind of creativity. We believe the best way for an engineer to test an idea is to build it. If one can get a prototype of the product to work, one can usually figure out how to scale it up and this in turn helps one to anticipate any problems one might have. We also believe fixed meetings are a waste of time. We're engineers, so if we have ideas, we need to build them and test them. Building working models feeds our creativity, which in turn fuels innovation. It also gives the client a clear example of what the final product will look like.
According to the speaker, what special items could be found in their office?

A. Prototypes
B. Games
C. Paintings
D. Printed plans

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