[多选] Which two statements are true about encrypting RMAN backup?（） (Choose two.)

我国法定计量单位中共有（）个基本单位。 4。 5。 6。 7。 采用抵押方式担保时，债务人不按照合同约定的期限履行债务时，债权人有权依法留置该财产。 You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （） Restore and recover the datafile. 。 Restore and recover the tablespace. 。 Restore and recover the database. 。 Restore and recover the control file. 。 Restore and recover the parameter file.。 垄断的基本类型有哪些？ What are three methods to reduce Mysql server exposure to remote connections?（） Setting — skip-networking when remote connections are not required。 Using the sql_mode=STRICT_SECURE after connections are established for encrypted communications。 Setting specific GRANT privilege to limit remote authentication。 Setting – mysql_secure_configuration to enable paranoid mode。 Using SSL when transporting data over remote network。 Which two statements are true about encrypting RMAN backup?（） (Choose two.)