A customer wants to create a 1:1 protection group with a DS3N-12 card. Which card slots would allow for a 1:1 protection?（） Slot 2 and Slot 4。 Slot 4 and Slot 6。 Slots 5 or 13 only。 Slot 16 and Slot 17。
枝晶偏析
Which statement is true regarding Oracle Shared Server architecture？（） A dispatcher can support multiple client connects concurrently while a shared server process can be dedicated to only one dispatcher. 。 Under the Oracle Shared Server architecture, client-user processes connect to shared user processes.。 Each dispatcher has its own request queue, which is monitored every three seconds by the dispatcher. 。 Oracle Shared Server required Oracle Net Service even if the client and shared server processes reside on the same machine.。
萼花臂尾轮虫是（） 海水种。 淡水种。 半咸水种。 既能在海水又能在淡水中生活。
Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) HIRE_DATE DATE Which UPDATE statement is valid?（） UPDATE employees SET first_name = 'John' SET last_name ='Smith' WHERE employee_id = 180;。 UPDATE employees SET first_name = 'John', SET last_name ='Smith' WHERE employee_id = 180;。 UPDATE employees SET first_name = 'John' AND last_name ='Smith' WHERE employee_id = 180;。 UPDATE employees SET first_name = 'John', last_name ='Smith' WHERE employee_id = 180。
常见的精神活性物质有（）
