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Given below is a list of scenarios: 1) A user terminates his session abnormally. 2) The connection between the server and the client application terminates because of a network failure. 3) A schema is accidentally dropped. 4) The tablespace is accidentally dropped from the database. 5) The hard disk gets corrupted and the data files in the disk are lost. 6) The database instance abnormally shuts down because of power failure. Which scenarios require DBAintervention to perform recovery()
A. 1, 3, and 6
B. 4, 5, and 6
C. 3, 4, and 5
D. 1, 2, and 6
被评估企业账面递延资产余额30万元,是3年前租用营业门市房所发生租房费用摊销后的余额。根据合同,该房租期为4年,总租金60万元,租期满房主收回房产。该被估的递延资产的评估值最有可能是()。
A. 0万元
B. 15万元
C. 20万元
D. 30万元