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Which of the following occurs during POST?（）
- A、OS loads
- B、Safe Mode starts
- C、RAM check
- D、MBR check
参考答案
更多 “Which of the following occurs during POST?（）A、OS loadsB、Safe Mode startsC、RAM checkD、MBR check” 相关考题
考题
Which of the following statements is correct regarding an oil with a high viscosity index?A.A large change of viscosity occurs with a minor change in temperatureB.No change in viscosity occurs with any change in temperatureC.Very little change in viscosity occurs with a significant change in temperatureD.The viscosity of the oil increases with an increase in temperature
考题
Which of the following occurs during POST?()
A. OS loadsB. Safe Mode startsC. RAM checkD. MBR check
考题
Which of the following can occur if the maximum rated load is exceeded on an uninterruptible power supply (UPS)?()
A. There is a fire hazard potential if a power outage occurs.B. The last system plugged into the UPS will not be provided any power.C. The UPS will draw more power from the circuit to compensate.D. The runtime of the UPS will be insufficient if a power outage occurs.
考题
A zone transfer occurs over which of the following ports?()
A.TCP 53B.UDP 67C.UDP 123D.TCP 25
考题
Data encryption and decryption occurs at which layer of the OSI model?()
A.TransportB.PresentationC.SessionD.Application
考题
Which of the following commands will display, in MB, the total, used, and free blocks of the currently mounted filesystems?()
A. df -mB. du -mC. df -vmD. du -vm
考题
●Software (75)occurs following delivery ofa software product to the customer.(75)A.analysisB.designC.implementationD.maintenance
考题
Which of the following conclusions is most appropriate to draw to describe why du shows fewer blocks used than df?（）A、 The df command only counts the number of disk blocks and superblocks. B、 The df command ignores space used for inodes, gnodes, and vnodes.C、 The du command does not take into account filesystem metadata. D、 The du command counts indirect blocks and superblocks in its calculations.
考题
Which of the following attacks occurs when a hijacker intercepts traffic, modifies it, then sends thetraffic?（）A、DoSB、SmurfC、Man-in-the-middleD、Phishing
考题
Data encryption and decryption occurs at which layer of the OSI model?（）A、TransportB、PresentationC、SessionD、Application
考题
Which of the following can occur if the maximum rated load is exceeded on an uninterruptible power supply （UPS）？（）A、 There is a fire hazard potential if a power outage occurs.B、 The last system plugged into the UPS will not be provided any power.C、 The UPS will draw more power from the circuit to compensate.D、 The runtime of the UPS will be insufficient if a power outage occurs.
考题
A zone transfer occurs over which of the following ports?（）A、TCP 53B、UDP 67C、UDP 123D、TCP 25
考题
Which of the following commands will display, in MB, the total, used, and free blocks of the currently mounted filesystems?（）A、df -mB、du -mC、df -vmD、du -vm
考题
When a user tries to log into the system, the following error occurs: "3004-004. You must "exec" login from the lowest login Shell". Which of the following procedures should be performed next to determine the cause of the problem?（）A、 Reboot the system. B、 Increase the number of ptys. C、 Increase number of licenses. D、 Run df -k to check for full filesystems.
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A graphics card has just been added but is not available. The xinit command is run, however an error occurs. Which of the following procedures should be performed to fix the error?（）A、Run the xstart command.B、Install the Windows software.C、Change the console to /dev/lft.D、Copy the xdefaults file to the home directory.
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Which two statements are true regarding L2TP? （）(Choose two.)A、Tunnels are initiated by the LACB、Tunnels are initiated by the LNSC、By default, subscriber authentication occurs on the LNSD、By default, subscriber authentication occurs on the LAC
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Which event would you use to run a method immediately after serialization occurs？（）A、 OnSerializingB、 OnDeserializingC、 OnSerializedD、 OnDeserialized
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单选题To examine the Exhibit, press the Exhibit button. A user is compiling a C program. A performance problem occurs and "vmstat 120 10" is run to determine the cause. The vmstat output is provided in the exhibit. Which of the following commands should be run to obtain more information about the problem?（）A
lsps B
tprof C
iostat D
vmtune
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单选题A customer needs the ability to recover their data if a total system failure occurs. Which two of the following are the most important considerations in determining the solution？（）A
Network utilizationB
Total amount of storage installedC
Amount of open files in the backupD
Amount of critical data in the backup or restore
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单选题Which of the following is the MOST common problem that occurs in server rooms？（）A
Excessive coolingB
Dust buildupC
Poor ground wiresD
Wet floors
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单选题Which of the following statements concerning fire-tube boilers is correct?（）A
Combustion gases flow through the tubesB
Flames impinge on the tubesC
Combustion occurs in the tubesD
Water flows through the tubes
考题
单选题When a user tries to log into the system, the following error occurs: "3004-004. You must "exec" login from the lowest login Shell". Which of the following procedures should be performed next to determine the cause of the problem?（）A
Reboot the system. B
Increase the number of ptys. C
Increase number of licenses. D
Run df -k to check for full filesystems.
考题
多选题Which two statements are true regarding L2TP? （）(Choose two.)ATunnels are initiated by the LACBTunnels are initiated by the LNSCBy default, subscriber authentication occurs on the LNSDBy default, subscriber authentication occurs on the LAC
考题
单选题Which of the following conclusions is most appropriate to draw to describe why du shows fewer blocks used than df?（）A
The df command only counts the number of disk blocks and superblocks. B
The df command ignores space used for inodes, gnodes, and vnodes.C
The du command does not take into account filesystem metadata. D
The du command counts indirect blocks and superblocks in its calculations.
考题
单选题After a critical service failure occurs the server keeps rebooting every fifteen minutes not giving anadministrator enough time to troubleshoot the failure. Which of the following does the administrator need to do to allow enough time to work on the system to troubleshoot the problem？（）A
Modify boot.ini fileB
Disable automatic reboot on serviceC
Press F6 at boot upD
Clear cache
考题
单选题Which of the following can occur if the maximum rated load is exceeded on an uninterruptible power supply (UPS)?（）A
There is a fire hazard potential if a power outage occurs.B
The last system plugged into the UPS will not be provided any power.C
The UPS will draw more power from the circuit to compensate.D
The runtime of the UPS will be insufficient if a power outage occurs.
考题
单选题Which of the following statements is correct regarding an oil with a high viscosity index?（）A
A large change of viscosity occurs with a minor change in temperatureB
No change in viscosity occurs with any change in temperatureC
Very little change in viscosity occurs with a significant change in temperatureD
The viscosity of the oil increases with an increase in temperature
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