宏基站的地阻要求为（）以下，边际站的地阻应为10欧姆以下。 5欧姆。 10欧姆。 5.5欧姆。 6欧姆。
What does the ABC designation include for inventory items？ （） Quantity reserved in stock。 Quantity expired for a particular Lot。 Count Frequency in number of days。 Activity Based Costing in capital dollar。
You created a response file and want to check it before starting installations in silent mode. You started installation of Oracle software in interactive mode by providing the response file. In the middle of the installation， you realize that the behavior of the Oracle Universal Installer （OUI） is not consistent with the response file. What action would you take to detect the cause of this behavior？（） Compare the contents of the install.log file with the response file.。 Refer to the contents of the oraInst.loc file to verify the steps performed by OUI.。 Compare the contents of the installActions.log file with that of the response file.。 Refer to the alert log file for information regarding the actions performed by OUI during installation.。
You executed the following command to create a tablespace called SALES_DATA： > CREATE TABLESPACE sales_data DATAFILE SIZE 100M SEGMENT SPACE MANAGEMENT AUTO； Which two statements are true about the SALES_DATA tablespace （） The database automatically determines the extent-sizing policy for the tablespace.。 The segments are automatically shrunk when the contents are removed from them.。 The allocation of extents within the tablespace is managed through the dictionary tables.。 The space utilization description of the data blocks in segments is recorded inbitmapblocks.。 The space utilization description of the data blocks in segments is managed through free lists.MANUAL。
You need to display the last names of those employees who have the letter “A” as the second character in their names.Which SQL statement displays the required results?（） SELECT last_name FROM EMP WHERE last_name LIKE ‘_A%’;。 SELECT last_name FROM EMP WHERE last name =’*A%’。 SELECT last_name FROM EMP WHERE last name =’_A%’;。 SELECT last_name FROM EMP WHERE last name LIKE ‘*A%&rsquo。
他励电动机具有（），这种特性特别适用于当负载变化时要求转速比较稳定的场合。
