功率因数cosφ低的不良后果，一是发电设备不能被（），二是增加输电线路上电压损失和功率损耗。
our database instance is started using the server parameter file （SPFILE）. You executed a command tochange the value of the LOG_BUFFER initialization parameter：ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH； What would be the outcome of this command（） The command succeeds only if Automatic Memory Management is not enabled.。 The command succeeds， but you need to restart the database for changes to take effect.。 The command returns an error because the size of the redo log buffer cannot be changed dynamically.。 The parameter value is changed and it comes into effect as soon as space becomes available in theSystem Global Area （SGA）。
资本金利润率
An administrator is trying to connect to an RSA-II adapter using the default IP address found in the installation manual of 192.168.70.125. The Web browser returns a "page cannot be displayed" message， and a ping returns a "request timed out" message. Which of the following is the most likely cause of the problem？（） The RSA II adapter has obtained a DHCP assigned address.。 The RSA II adapter requires independent power to function.。 The Class C IP address space is not being bridged on the network.。 The RSA II adapter needs to be configured using a serial connection.。
水电工程的质量管理包括（） 设计质量管理。 施工质量管理。 监理质量管理。 材料和设备质量管理。 工艺及外观质量管理。
The SPFILE for your database contains the following parameter settings：
SGA_TARGET = 1000M
DB_CACHE_SIZE = 512M
SHARED_POOL_SIZE = 128M
LOG_BUFFER = 10M
DB_8K_CACHE_SIZE = 50M
What is the total memory that can be distributed across the auto-tuned memory components？（）
