A customer using an IBM System Storage DS8700 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade. How can the system be monitored in order to check the benefits of the cache upgrade（） 正确。 错误。
在NPT5型空压机中，（）属于运动机构。 正确。 错误。
Which three types of files can be automatically placed in the flash recovery area (fast recovery area in 11g Release 2)?（） 正确。 错误。
液化石油气燃烧时，一般每立方米气体的低发热量为10×104KJ/m3，约为焦炉煤气的（）倍。 正确。 错误。
Given the following DDL and INSERT statements: CREATE VIEW v1 AS SELECT col1 FROM t1 WHERE col1 > 10; CREATE VIEW v2 AS SELECT col1 FROM v1 WITH CASCADED CHECK OPTION; CREATE VIEW v3 AS SELECT col1 FROM v2 WHERE col1 < 100; INSERT INTO v1 VALUES(5); INSERT INTO v2 VALUES(5); INSERT INTO v3 VALUES(20); INSERT INTO v3 VALUES(100); How many of these INSERT statements will be successful?（） 正确。 错误。
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