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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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更多 “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 offD At least one process is running in the background using nohup and it will terminate when the operator logs off” 相关考题
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When considering the default behavior of Junos platforms, which statement is true about archiving configurations?()
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When considering the default behavior of Junos platforms, which statement is true about archiving configurations?（）A、A system log message is generated, confirming the transfer attempt.B、The destination filename format can be altered by configuration.C、The frequency the system archives the configuration cannot be changed.D、An archive log is created to track transfer attempts, both failed and successful.
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考题
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 offD、At least one process is running in the background using nohup and it will terminate when the operator logs off
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When considering the default behavior of Junos plattforms, which statement is true about archiving configurations?（）A、A system log message is generated, confirmed the transfer attemptB、The destination filename format can be altered by configurationC、The frequency the system archives the configuration cannot be changedD、An archive log is created to track transfer attempts both failed and successfull
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考题
You are working on a database， where you have three redo log groups. When the database is down for a backup， an operating system （OS） user deletes all the redo log files in a group. What will happen when you open your database？（）A、 The instance starts， the database is mounted， but efforts to open the database fail， and an error about the missing redo log group is displayed.B、 Before the instance starts， you receive an error about the missing redo log files of a group.C、 The instance starts and the database opens with an error message written to the alert log file.D、 The instance starts and the database opens because two redo log groups still exist.E、 The instance starts and the database opens， but every attempt to write to redo log files fails with an error.
考题
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考题
单选题When operating the air supply system in a covered lifeboat the（）.A
fuel supply valve should be closedB
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考题
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考题
单选题In a domestic fresh water system, the pump starters are controlled by （） switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.A
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water flowC
temperatureD
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考题
单选题You want the ability to recovery any time within the last seven days and therefore you configured the recovery window retention policy using the command： RMAN CONFIGURE RETENTIOH POLICY TO RKCOVFRY WINDOW OF 7 DAYS； After configuring the recovery window， you performed the database backup as follows：（）A
Backup RB1 at log sequence number 12871 on 5th JanB
Backup RB2 at log sequence number 15622 on 12th JanC
Backup RB3 at log sequence 16721 on 15th JanD
On 20th Jan when the log sequence number was 18112 you realize that there Is a need to a point in time at the beginning of the recovery window. You have all an hived redo log files to date.
考题
单选题When considering the default behavior of Junos platforms, which statement is true about archiving configurations?（）A
A system log message is generated, confirming the transfer attempt.B
The destination filename format can be altered by configuration.C
The frequency the system archives the configuration cannot be changed.D
An archive log is created to track transfer attempts, both failed and successful.
考题
单选题When a refrigeration compressor is in the ‘off’ cycle, the thermal expansion valve will（）.A
always be wide open when the compressor restartsB
continue to operate as if the system were in operationC
remain open until evaporator pressure equalizes, then close until the compressor restartsD
always be completely closed until the compressor restarts
考题
单选题When may the automatic identification system (AIS) be switched off? （）A
At anytime as long as it is properly loggedB
At the Master's professional judgmentC
Only when the vessel is at anchor or in portD
Under no circumstance
考题
单选题To avoid excessive pressures in the fuel oil filling system during bunkering, you should （）.A
close the tank filling valves quicklyB
top off all tanks at the same timeC
rill completely all tanks to less than 95% fullD
reduce the loading rate when topping off
考题
单选题When considering the default behavior of Junos plattforms, which statement is true about archiving configurations?（）A
A system log message is generated, confirmed the transfer attemptB
The destination filename format can be altered by configurationC
The frequency the system archives the configuration cannot be changedD
An archive log is created to track transfer attempts both failed and successfull
考题
单选题When a technician left the server room Monday evening everything was operational. When the technician returned Tuesday morning， the front bezel was off of the mail server， and it had been powered off. Which of the following should be checked FIRST？（）A
TCP/IP settingsB
RAID configurationC
Whether the power cord is attachedD
Server room access log
考题
单选题An administrator is notified that a resource group has failed over from the home node， Node1 to a standbynode， Node2 and that Node1 has been powered off. Upon restarting Node1 the administrator checks the AIXerror log and the cluster.log Which of the following is the most likely cause of the failure of Node1？（）A
The operating system crashedB
A disk failure forced a volume group off lineC
The System Resource Controller executed a system haltD
The topology services daemon has crashed due to an ODM mismatch
考题
单选题An on-load release system on a survival craft means the cable can be released（）.A
only when the load is taken off the cableB
only when there is a load on the cableC
only when activated by the controls at the lowering stationD
at any time
考题
单选题Remote control means that the system is being controlled by the operator who is situated （） from the system.A
automaticB
localC
remoteD
manual
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