[单选]

The en0 interface on Node1 of a two-node cluster has failed. This adapter is configured with a boot addressand under stable operations also has the service address of the cluster’s single resource group. The resourcegroup is configured with the fallback option. The HA network was configured for IPAT via aliasing and now theservice address is on the en1 interface in the cluster. The en0 interface has already been physically replacedand configured with the boot address. Which of the following will return the cluster to its original state andminimize cluster downtime？（）

A user named Arren is executing this query：   select table_name，operation，undo_sql  from  flashback_transaction_query t，  （select versions_xid as xid  from employees versions between scn minvalue and maxvalue  where employee_id = 123） e  where t.xid = e.xid；   When the query runs，he receives an ORA-01031： insufficient privileges error. Since the user owns the employees table，you know that it is not the problem.  Which of the following SQL statements will correct this problem？（）  GRANT SELECT ANY TRANSACTION TO ARREN。  GRANT SELECT ON FLASHBACK_TRANSACTION_QUERY TO ARREN。  GRANT SELECT_ANY_TRANSACTION TO ARREN。  GRANT FLASHBACK TO ARREN。  GRANT SELECT ANY VIEW TO ARREN。 垫圈一般置于螺母与（）之间，用以增大两者之间的接触面积。 光孔。 阶梯孔。 被连接件。 连接件。 Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning， media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday.What would you do in this situation？（） recover using Oracle Flashback Database technology。 restore the data files from backup and perform a complete recovery。 restore only the corrupted data file and perform tablespace recovery。 restore the data files from backup and perform cancel­based recovery。 restore the entire database from the most recent backup and start the instance and open the database。 Given: If class Donkey is invoked twice, the first time without assertions enabled, and the second time with assertions enabled, what are the results?（） no output。 no output assert is on。 assert is on。 no output An AssertionError is thrown.。 assert is on An AssertionError is throw。 在典型生长曲线中，细胞产量最高的生长期是（） 延滞期。 对数期。 稳定期。 衰亡期。

The en0 interface on Node1 of a two-node cluster has failed. This adapter is configured with a boot addressand under stable operations also has the service address of the cluster’s single resource group. The resourcegroup is configured with the fallback option. The HA network was configured for IPAT via aliasing and now theservice address is on the en1 interface in the cluster. The en0 interface has already been physically replacedand configured with the boot address. Which of the following will return the cluster to its original state andminimize cluster downtime？（）