A、are
B、is
C、have
D、has
How many dangerous sports does the author mention in this passage?A． Three.B． Five.C． Six.D． Seven.
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听力原文：W: Good morning, sir. What can I do for you?M: Yes. I'd like to have a single room with a bath from the morning of September 7th to the morning of October 10th.How long will the man stay in this hotel?A．Just one month,B．32 days.C．33 days.D．34 days.
YourcompanyhasamainofficeandfivebranchofficesthatareconnectedbyWANlinks.ThecompanyhasanActiveDirectorydomainnamedcontoso.com.EachbranchofficehasamemberserverconfiguredasaDNSserver.AllbranchofficeDNSservershostasecondaryzoneforcontoso.com.Youneedtoconfigurethecontoso.comzonetoresolveclientqueriesforatleastfourdaysintheeventthataWANlinkfails.Whatshouldyoudo（）A.ConfiguretheExpiresafteroptionforthecontoso.comzoneto4days.B.ConfiguretheRetryintervaloptionforthecontoso.comzoneto4days.C.ConfiguretheRefreshintervaloptionforthecontoso.comzoneto4days.D.ConfiguretheMinimum（default）TTLoptionforthecontoso.comzoneto4days.
Youhaveissuedthefollowingcommand:RMAN>CONFIGURERETENTIONPOLICYTORECOVERYWINDOWOF100DAYS;Whatwillbetheresultofusingtheabovecommand?()A.Thebackupmetadatawillbemaintainedinthecontrolfilefor100days.B.Thebackupmetadatawillbemaintainedintherecoverycatalogfor100days.C.Thebackupmetadatawillbemaintainedintheflashrecoveryareafor100days.D.After100days，thebackupsetsandimagecopieswillbedeletedfromthemedia.
Intheparameterfileofyourproductiondatabase,theCONTROL_FILE_RECORD_KEEP_TIMEparameterissetto31.WhatwouldbetheimpactofthissettingonthebackupthatisbeingperformedbyusingRecoveryManager(RMAN)?()A.Thebackupwouldberetainedonthemediafor31days.B.Thebackupwouldbemaintainedintherecoverycatalogfor31days.C.Thebackupmetadatawouldberetainedinthecontrolfilefor31days.D.Thebackupmetadatawouldbemaintainedintherecoverycatalogfor31days.E.Automaticbackupsofthecontrolfilewillberetainedintheflashrecoveryareafor31days.
Serial ATA (SATA) uses a ()wire interface that creates a point－to－point connection between devices.A.Twenty-FiveB.FortyC.SixteenD.Seven
AfterrunningtheCONFIGURERETENTIONPOLICYTORECOVERYWINDOWOF7DAYScommand,whathasbeenaccomplished?()A.Retainthedatafilebackupfor7days.B.Runtherecoverprocessevery7days.C.Destroythephysicalbackupfilesevery7days.D.Destroythephysicalbackupfilesolderthan7days.E.Retainonebackupofeachdatafileforatleast7days.F.Keepthecataloginformationinthecontrolfilefor7days.
