In the bounded buffer problem ____________ A: there is only one buffer B: there are n buffers ( n being greater than one but finite) C: there are infinite buffers D: the buffer size is bounded

下列不属于SGA的是（）。 A: 块缓冲区（Database Buffers） B: 共享池 C: 库缓存（Library cache） D: 专用服务器模式下的会话信息（Session Information）

Given the following output：  A:  The speed of the slowest interface in the port channel B:  The combined speed of all interfaces configured in the port channel C:  The combined speed of all interfaces in the port channel that are up D:  The speed that can be achieved if all buffers are used

In a lean system, ______ A: The use of pull flow and small batches reduces the need for buffers of excess capacity B: The system is stressed in a controlled manner to identify problem areas C: A particular material will typically be purchased from a small number of suppliers D: All of the above

某网络管理员想在不删除当前安装的IOS的情况下，对路由器的IOS进行升级，哪个命令可以显示当前IOS文件占用的内存空间，并指出是否有足够的可用空间保存当前的和新的映像文件？ A: show version B: show flash C: show memory D: show buffers E: show running-config

Which two of these are differences between traffic policing and traffic shaping？（） A: with traffic shaping，a router stores excess traffic in packet buffers until bandwidth is available again B: with policing you can tune the buffer usage for traffic exceeding the specified CIR C: with shaping you can tune the buffer usage for traffic exceeding the specified CIR D: shaping should only be applied for ingress traffic，policing only for egress E: policing uses a token bucket algorithm，shaping uses an SPD algorithm