单选题When an operator is trying to log off the system displays this message: you have running jobs?? What does this mean?()A One or more processes are running in the background, preventing log off.B One or more processes are paused, requiring operator input

题目
单选题
When an operator is trying to log off the system displays this message: you have running jobs?? What does this mean?()
A

One or more processes are running in the background, preventing log off.

B

One or more processes are paused, requiring operator input prior to logging off.

C

At least one process is running in the background and it will keep running after the operator logs off

D

At least one process is running in the background using nohup and it will terminate when the operator logs off

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相似问题和答案

第1题:

You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server has one hard disk that contains one volume.You need to receive a notification when the volume has less than 15 percent free disk space.What should you do? ()

A. Configure a Trace Log by using the File details system provider.

B. Configure a Trace Log by using the Disk input/output system provider.

C. Configure an Alert by using a counter from the Logical Disk performance object.

D. Configure an Alert by using a counter from the Physical Disk performance object.


参考答案:C

第2题:

What does locating mean? ()

  • A、Paging of a mobile in more than one cell
  • B、Best cell selection
  • C、Changing of cell parameters
  • D、Roaming
  • E、Tuning

正确答案:B

第3题:

The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;Which action should you perform immediately after using this command?()

A. You should perform a log switch

B. You should make a backup of the database

C. You should switch the database to the NONARCHIVELOG mode

D. You should shut down the database instance and perform a complete database recovery


参考答案:B

第4题:

The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:   ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;   Which action should you perform immediately after using this command?()  

  • A、 You should perform a log switch
  • B、 You should make a backup of the database
  • C、 You should switch the database to the NONARCHIVELOG mode
  • D、 You should shut down the database instance and perform a complete database recovery

正确答案:B

第5题:

A system has users doing interactive work while background jobs are running.  Interactive users are requesting that system response time be improved for foreground processes.  Which tuning parameters should be changed to accomplish this?()

  • A、 schedtune -h
  • B、 schedtune -r
  • C、 vmtune -f
  • D、 schedtune -w

正确答案:B

第6题:

You have a Windows Server 2008 R2 Hyper-V server. Hyper-V Manager shows a state of Paused and a status of Disk(s) running out of space for one of the virtual machines (VMs). You delete several unneeded snapshots from the VM snapshot tree, and you resume the VM. After less than one minute, the state of the VM reverts to Paused. You need to enable the VM to return to a state of Running. What should you do first?()

  • A、Turn off the VM.
  • B、Export the VM.
  • C、Reset the VM.
  • D、Save the VM.

正确答案:A

第7题:

You are installing Oracle Database 11g on a machine. When you run the installer, the OracleUniversal Installer (OUI) shows the message that says one of the product-specific prerequisite checkshas failed: Checking available swap space requirements ... Expected result: 1512MB Actual Result: 1018MB  Check complete. The overall result of this check is: Failed <<<< Problem: The system does not have the required swap space.  What happens to the installation in this situation()

  • A、It can be continued.
  • B、It resizes the swap space automatically when you proceed further.
  • C、It can be continued, but the instance cannot be started without increasing the swap space.
  • D、It shows a message saying one or more prerequisite checks have failed and the installation cannotproceed.

正确答案:A

第8题:

When an operator is trying to log off the system displays this message: you have running jobs?? What does this mean?()

A. One or more processes are running in the background, preventing log off.

B. One or more processes are paused, requiring operator input prior to logging off.

C. At least one process is running in the background and it will keep running after the operator logs off

D. At least one process is running in the background using nohup and it will terminate when the operator logs off


参考答案:C

第9题:

When an operator is trying to log off the system displays this message: you have running jobs?? What does this mean?()

  • A、One or more processes are running in the background, preventing log off.
  • B、One or more processes are paused, requiring operator input prior to logging off.
  • C、At least one process is running in the background and it will keep running after the operator logs off
  • D、At least one process is running in the background using nohup and it will terminate when the operator logs off

正确答案:C

第10题:

Your production database is running in the ARCHIVELOG mode and the ARCn process is functional. You have two online redo log groups. Which three background processes would be involved when a log switch happens? ()

  • A、archival
  • B、log writer
  • C、database writer
  • D、system monitor
  • E、process monitor
  • F、change tracking writer

正确答案:A,B,C

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