You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database. The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs?（） Open the database in NORMAL mode。 Open the database in read-only mode。 Open the database in RESTRICTED mode。 Open the database with the RESETLOGS optio。
设备吊装时应注意与架空电缆保持安全距离，按规定电力线路电压为60KV的安全距离应大于（）m。 1.5。 3。 5.1。 6.7。
What must an administrator do to prevent new telnet users from connecting to the system?（） rmdev -l /dev/pts。 touch /etc/nologin。 chdev -l sys0 -a nologin。 chuser -a login=false ALL。
A customer needs both a database and application server to communicate over a network. The new systems will be connected to the same network as the current IBM equipment with known IBM serial numbers. How could a pSeries technical specialist best determine which type of network card is appropriate， without making an additional call to the customer？（） Use an Inventory Services retrieval to show adapter features.。 Retrieve previous eConfig proposals to see what others had shown.。 Call the Account Executive to ask what the customer has used in the past.。 Query the Supportline problem record database for the customer and LAN keyword matches.。
列举变桨系统所监测的故障
下列项目中，既可以采用费率方式又可以采用人工计价的是（）。
