A user’s OS has become corrupt, and the user would like to restore the PC back to when they first bought the machine. Which of the following would be the BEST choice?（）
The database instance has the following parameter setting： OS_AUTHENT_PREFIX = OPS$ OS_ROLES = FALSE REMOTE_OS_AUTHENT = FALSE REMOTE_OS_ROLES = FALSE TIMED_OS_STATISTICS = 0 You have a local operating system user SKD. You create a database user OPS$SKD， and then assignexternal authentication. The user OPS$SKD has the CREATE SESSION privilege. What would youachieve by the above process（）A、The database user OPS$SKD will be able to administer the database.B、The authentication detail for the database user OPS$SKD is recorded in the password file.C、The local operating system user SKD will be able to access the database instance without specifying the username and password.D、The database user OPS$SKD has to login with the password of the local operating system user SKD to access the database instance.
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A user has changed their password using the passwd command， and notices that the change is only made tothe local node. When the administrator changes the user’s password from the command line using the passwd command thechange is made cluster-wide. What is the most likely cause of this problem？（）A、The user has a UID less than 200B、The user has been defined as an administrative userC、The file /usr/es/sbin/cluster/clpasswd is not executable by the userD、The user needs explicit authorization to change their password cluster-wide
A virus has been removed from the user’s machine, but the user still cannot access the Internet.Which of the following should the technician check NEXT?（）A、Disable port forwarding on the router.B、Reboot to Safe Mode and see if the Internet is accessible.C、Format the machine and reinstall the OS.D、Check the web browser’s proxy settings.
Which of the following is the BEST way to make sure the network printer is automatically installed when the user logs on？（）A、Log onto the user’s computer as a local administrator and install the printer.B、Make sure the user has permission to print to the printer.C、Create and implement a logon script.D、After the user has logged on， install the printer.
A user attempts to login to a bookmarked site but is prompted for their social security number,mother’s maiden name and date of birth. Which of the following has MOST likely happened?（）A、The website has updated the security policies.B、The user’s identity has been stolen.C、The browser has been hijacked.D、The user typed the website address incorrectly.
A user reports that when trying to print a document nothing comes out of the printer and states that the only printer in the printer dialog box is ’Microsoft Office Document Image Writer.’ The technician should understand that the problem is that the printer： （）A、has not been installed on the user’s computer.B、is not turned on.C、driver is corrupt.D、cable is unplugged.
A user reports that the computer is running slowly. After running the SFC， a technician observes that the dllcache folder has become corrupted. Which of the following utilities can be run to repair the contents of the dllcache directory？ （）A、FORMATB、SFCC、HyperTerminalD、DEFRAG
