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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Which statement is true regarding syslog on Junos devices?() A. No logging is enabled by default.B. By default, the information is stored in a file named events.C. Only the message severity level must be configured.D. You can configure the router to send log messages to the console.

You are investigating routing problems on a device running the Junos OS. You receive the error shown in the exhibit when you attempt to restart the routing process.Which statement describes the problem?()A. You have typed an invalid command.B. You must be in configuration mode to restart the routing process.C. You do not have permission to restart the routing process.D. You must wait until close of business to restart the routing process, based on user-defined policy.

A new switch is being installed and you have been assigned the task of connecting it to an existing switch. In doing this, you want to set up the VLAN Trunking Protocol so that VLAN information can be passed between the switches.Which of the following must you do to accomplish this?()A. You must set each end of the trunk line to IEEE 802.1e encapsulation.B. You must set the same VTP management domain name on both switches.C. You must set all ports on the two switches as access ports.D. You must configure one of the switches as a VTP server.E. You must use a rollover cable to connect the two switches.

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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

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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.