Which statement is true regarding the password-recovery process?（）A、You must have a console connection.B、You cannot set the console port to an insecure mode.C、You must press the Enter key so that you can boot into single-user mode.D、When prompted to enter the full pathname of the shell, you must press the Enter key.
Which statement is true regarding the password-recovery process?（）
- A、You must have a console connection.
- B、You cannot set the console port to an insecure mode.
- C、You must press the Enter key so that you can boot into single-user mode.
- D、When prompted to enter the full pathname of the shell, you must press the Enter key.
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单选题Which statement is true regarding the password-recovery process?（）AYou must have a console connectionBYou cannot set the console port to an insecure modeCYou must press the Enter key so that you can boot into single-user modeDWhen prompted to enter the full pah name of the shell you must press the Enter key
单选题Which statement is true regarding the password-recovery process?（）AYou must have a console connection.BYou cannot set the console port to an insecure mode.CYou must press the Enter key so that you can boot into single-user mode.DWhen prompted to enter the full pathname of the shell, you must press the Enter key.
单选题While designing your database， you have created the EMPLOYEES table as an index/x7forganized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）AA primary key must have been created.BA mapping table must have been created.CAn overflow tablespace must have been specified.DThe PCTTHRESHOLD option must have been specified.
单选题You have just installed a new web server on the Testking network. You are required to ensure that the web server is accessible from the Internet. The network uses private addressing, so an IP-to-registered address mapping is required.To do this, you enter the following command:TestKing(config)# ip nat inside source static 192.168.2.1 198.18.1.254 You unsuccessfully try to ping the Internet from a PC host on the LAN. During the troubleshooting process, you enter the "show ip nat translations" command but the output is blank. What is the most likely cause of the problem?（）AThe keyword overload is missing from the command.BThe NAT pool must be defined first.CAn access list must be defined to create static NAT translations.DThe interfaces must be configured for NAT.ENone of the above
多选题Which of the following restrictions are not true with respect to tablespace point-in-time recovery？（）AThe target database must be in NOARCHIVELOG mode.BNo backup is required of the database before you perform a TSPITR.CYou must have all archived redo logs generated since the last backup up to the point to which you want to restore the transport set.DIf you rename a tablespace， you can not perform a TSPITR to any point in time before that rename operation occurred.EIf you have tables in tablespace_1 that have associated constraints in tablespace_2，then you must transport both tablespaces.
单选题While designing your database， you have created the EMPLOYEES table as an index-organized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）AA primary key must have been created.BA mapping table must have been created.CAn overflow tablespace must have been specified.DThe PCTTHRESHOLD option must have been specified.
单选题Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）AAn error is returned.BYou are prompted to enter a new value.CA report is produced that matches the first report produced.DYou are asked whether you want a new value or if you want to run the report based on the previous value.
单选题Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）AAn error is returned.BYou are prompted to enter a new value.CA report is produced that matches the first report produced.DYou are asked whether you want a new value or if you want to run the report based on the previous value.