单选题You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows: Warning (%): 90 Critical (%): 95 Which background process is responsible for issuing alerts when the threshold is crossed()ASystem monitor (SMON)BProcess monitor (PMON)CMemory manager process (MMAN)DManageability Monitor process (MMON)
单选题
You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows: Warning (%): 90 Critical (%): 95 Which background process is responsible for issuing alerts when the threshold is crossed()
A
System monitor (SMON)
B
Process monitor (PMON)
C
Memory manager process (MMAN)
D
Manageability Monitor process (MMON)
参考解析
解析:
可管理性监视器进程(MMON),可执行各种与可管理性相关的后台任务,
例如:
• 每当给定的度量超过其阈值时发出预警
• 通过衍生附加进程(MMON 从属进程)获取快照
• 捕获近期已做修改的SQL 对象的统计值
例如:
• 每当给定的度量超过其阈值时发出预警
• 通过衍生附加进程(MMON 从属进程)获取快照
• 捕获近期已做修改的SQL 对象的统计值
相关考题:
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You have specified the warning and critical threshold values of an application tablespace to be 60% and 70% respectively. From the tablespace space usage metrics, you find that the actual space usage has reached the specified warning threshold value, but no alerts have been generated. What could be the reason for this?()A、 The EVENT parameter was not setB、 The SQL_TRACE parameter is set to FALSEC、 The Enterprise Manager Grid Control is not usedD、 The STATISTICS_LEVEL parameter is set to BASICE、 The TIMED_STATISTICS parameter is set to FALSE
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While setting up the thresholds for tablespace space usage metrics for one of your tablespaces, you define the critical threshold as 60% and warning threshold as 75%. What would be the result of this setting?()A、It would result in an error because the warning threshold cannot be more than the critical threshold.B、The warning threshold is ignored and alerts would be generated when space usage exceeds the critical threshold.C、The critical threshold is ignored and alerts would be generated when space usage exceeds the warning threshold.D、Both threshold values are used and alerts are generated when space usage exceeds the respective threshold values.
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单选题While setting up the thresholds for tablespace space usage metrics for one of your tablespaces, you define the critical threshold as 60% and warning threshold as 75%. What would be the result of this setting?()AIt would result in an error because the warning threshold cannot be more than the critical threshold.BThe warning threshold is ignored and alerts would be generated when space usage exceeds the critical threshold.CThe critical threshold is ignored and alerts would be generated when space usage exceeds the warning threshold.DBoth threshold values are used and alerts are generated when space usage exceeds the respective threshold values.
单选题You explicitly specified the tablespace usage threshold values while creating a tablespace. You need to revert to the database-wide default tablespace usage threshold values for the tablespace. Which PL/SQL package would you use?()ADBMS_STATS BDBMS_ALERT CDBMS_SPACE DDBMS_MONITOR EDBMS_SERVER_ALERTFDBMS_SPACE_ADMIN
单选题View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30 minutes, you executed the following command: SQL SELECT reason,metric_value FROM dba_outstanding_alerts; REASON METRIC_VALUE ------------------------------------------------------------ ------------ Tablespace [TEST] is [28 percent]full 28.125 What could be the reason for the elimination of the other rows in the output()AAn Automatic Workload Repository snapshot has been taken recently.BThe non-threshold-based alerts are transferred to DBA_ALERT_HISTORY.CThe threshold alerts conditions are cleared and the alerts are transferred to DBA_ALERT_HISTORY.DThe threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but not the threshold alerts related to instance metrics.
单选题You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows:Warning (%): 90Critical (%): 95 Which background process is responsible for issuing alerts when the threshold is crossed()ASystem monitor (SMON)BProcess monitor (PMON)CMemory manager process (MMAN)DManageability Monitor process (MMON)
单选题Users are performing a large volume of inserts and deletes on the application tables in the APPS tablespace. You observe that there are several warning alerts being generated for the APPS tablespace space usage metrics. Currently, the warning threshold for the tablespace space usage metrics is set to 70%. To make the generated alerts more useful as a problem identification tool, you want to reduce the frequency of alert generation for the tablespace space usage metrics for the APPS tablespace. What should you do?()Adisable SQL tracing for theAPPS tablespaceBdisable logging attribute for the APPS tablespaceCmodify the tablespace to be a dictionarymanaged tablespaceDincrease the critical threshold value for the tablespace space usage metrics for the APPS tablespaceEincrease the warning threshold value for the tablespace space usage metrics for the APPS tablespace
单选题Users are performing a large volume of inserts and deletes on the application tables in the APPS tablespace. You observe that there are several warning alerts being generated for the APPS tablespace space usage metrics. Currently, the warning threshold for the tablespace usage metrics is set to 70%. To make the generated alerts more useful as a problem identification tool, you want to reduce the frequency of alert generation for the tablespace usage metrics for the APPS tablespace. What should you do?()A Disable SQL tracing for the APPS tablespace.B Disable logging attributes for the APPS tablespace.C Modify the tablespace to be a dictionary-managed tablespace.D Increase the critical threshold value for the tablespace space usage metrics for the APPS tablespace.E Increase the warning threshold value for the tablespace space usage metric for the APPS tablespace.
单选题The warning level threshold value for a tablespace, DATA1, is set to 60% and the critical level threshold value is set to 80%. The tablespace, DATA1, is infrequently used and is not a part of the production environment. You issued the following command: SQL EXECUTE DBMS_SERVER_ALERT.SET_THRESHOLD (dbms_server_alert.tablespace_pct_full, dbms_server_alert.operator_ge,80, dbms_server_alert.operator_ge,90, 1,1,NULL, dbms_server_alert.object_type_tablespace,’DATA’); What will be the result of the command?()A The command will be executed successfully only if the tablespace DATA1 is a dictionary-managed tablespace.B The total numbers of alerts that you receive every day will be reduced.C The total number of alerts that you receive every day will be increased.D No more data will be added to the DATA1 tablespace if 80% of the space allocated to the DATA1 tablespace is used.