As a result of a media failure， the current online redo log group is corrupted. The database crashes， as the current online group is inaccessible. Which type of incomplete recovery are you most likely to perform？ （） Cancel-based。 Recovery using a backup control file。 Time-based。 Change-based。
夏是我国最早的奴隶制国家之一，当时的税收主要采取了（）这种低级形式。 捐。 贡。 助。 彻。
Which Cisco CRS 4.0 server configuration task enables the Cisco CRS server to fail over to a secondary Cisco Unified CallManager when the primary Cisco Unified CallManager fails?（） The LDAP directory must have a secondary profile configured. 。 No special configuration is required. Cisco Unified CallManager maintains the failover. 。 The JTAPI provider on the Cisco CRS server must be configured with the secondary Cisco Unified CallManager IP address following the primary Cisco Unified CallManager IP address. 。 There must be a second JTAPI user configured with an alternate range of CTI ports.。
Given a correctly compiled class whose source code is： Assume that the class file is located in /foo/com/sun/sjcp/， the current directory is /foo/， and that the classpath contains "." （current directory）. Which command line correctly runs Commander？（） java Commander。 java com.sun.sjcp.Commander。 java com/sun/sjcp/Commander。 java -cp com.sun.sjcp Commander。 java -cp com/sun/sjcp Commander。
根据供油系统分类
癔症治疗最有效的方法是（）
