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单选题
A technician is performing preventive maintenance on the hardware components in a workstation. Which of the following actions should the technician take？ （）
A
Remove the case front and clean the air vents.
B
Unplug the capacitors from the board and clean the contacts.
C
Remove the processor and clean the pins with an eraser.
D
Remove the processor and clean any dust that has collected between the processor and the heatsink.
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更多 “单选题A technician is performing preventive maintenance on the hardware components in a workstation. Which of the following actions should the technician take？ （）A Remove the case front and clean the air vents.B Unplug the capacitors from the board and clean the contacts.C Remove the processor and clean the pins with an eraser.D Remove the processor and clean any dust that has collected between the processor and the heatsink.” 相关考题
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Before performing any maintenance on a hydraulic system storing energy in an accumulator, you shouldA.pressurize the system to test for leaksB.bleed off all pressure within the systemC.operate the machine until it reaches normal temperatureD.disconnect the pump pressure control switch
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Preventive maintenance______.A.should not be carried out during the watchesB.can only be carried out in portC.is a kind of maintenances carried out prior to the occurrenceD.is a kind of maintenances carried out after the occurrence
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保养预防（Maintenance Preventive，简称M.P）是将设备改善从（）（Easy Maintenance）演进到一开始就将设备设计成（）（Maintenance Free）。
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Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?（）A、To help the technician learn how to perform the task B、To determine if the user is performing the task properly C、To determine if the user is authorized to perform the task D、To help the technician determine if there is a better way to perform the task in question
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以发展顺序来看，以下对TPM排序正确的是：（）。 ①PvM（预防保养，Preventive Maintenance） ②B.M（事后保养，Break-down Maintenance） ③P.M（生产保养，Productive Maintenance） ④PdM（预知保养，Predictive Maintenance） ⑤M.P（保养预防，Maintenance Prevention） ⑥TPM（全面生产经营系统，Total Productive Management system） ⑦TPM（全员生产保养，Total Productive Maintenance） ⑧C.M（改良保养，Corrective Maintenance）A、 ②①③⑧⑤⑦④⑥B、 ①②③⑤⑦④⑥⑧C、 ④⑥①②⑦⑧③⑤D、 ⑥①④②⑦⑤⑧③
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Which statement describes the distributed call control model in VoIP networks？（）A、The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardownB、The gateway voice-capable device has a local call routing table configured through a routing protocol.C、The gateway voice-capable device relies on a call agent to support call control.D、The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.
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A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. TheWLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why theWLAN card is performing at that speed? （）A、The WLAN card is 802.11g.B、The WLAN card is 802.11b.C、The WLAN card is 802.11n.D、The WLAN card is 802.11a.
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A technician is performing preventive maintenance on the hardware components in a workstation. Which of the following actions should the technician take？ （）A、Remove the case front and clean the air vents.B、Unplug the capacitors from the board and clean the contacts.C、Remove the processor and clean the pins with an eraser.D、Remove the processor and clean any dust that has collected between the processor and the heatsink.
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A dry cleaner is having issues with their computer overheating. Which of the following preventive maintenance techniques would be the BEST short-term resolution to the problem?（）A、Update the firmware on the machine to accommodate for higher temperatures.B、Use Disk Cleanup and Defrag to keep the machine from working as hard.C、Use a can of compressed air to clean out blocked ventilation.D、Relocate the machine to a cooler part of the building.
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When is it advisable to dump the waste toner from a technicians service vacuum？（）A、When it is full.B、It is not recommended.C、Before performing preventative maintenance.D、After each call.
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While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?（）A、Help limit radio frequency interference (RFI) inside the case.B、Help ensure proper air flow through the case.C、Help prevent moisture buildup in the case.D、Help limit electrostatic discharge (ESD) inside the case.
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When discussing plant maintenance with plant maintenance managers, frequently the topic of using preventive maintenance (PM) comes up. If this is used extensively and the PM work orders are regularly completed, what is told by this about the operation?（）A、It is likely that equipment will break down frequently.B、It is likely that equipment will break down infrequently.C、It shows that maintenance is performed on an as needed basis.D、It shows that there are frequent crises when it comes to maintaining equipment.
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Very soon you will be performing maintenance operations. You would have several jobs to run as soon as the maintenance period starts. Which method would you use to create jobs without specifying the time period when the job should be run？（）A、 use DBMS_IJOB packageB、 use Oracle SchedulerC、 use DBMS_JOB packageD、 use Oracle Data Pump Export and Import
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单选题When discussing plant maintenance with plant maintenance managers, frequently the topic of using preventive maintenance (PM) comes up. If this is used extensively and the PM work orders are regularly completed, what is told by this about the operation?（）A
It is likely that equipment will break down frequently.B
It is likely that equipment will break down infrequently.C
It shows that maintenance is performed on an as needed basis.D
It shows that there are frequent crises when it comes to maintaining equipment.
考题
单选题Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?（）A
To help the technician learn how to perform the task B
To determine if the user is performing the task properly C
To determine if the user is authorized to perform the task D
To help the technician determine if there is a better way to perform the task in question
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单选题A technician is performing scheduled preventive maintenance on a laser printer. Which of the following should the technician clean or replace？ （）A
fuserB
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考题
单选题When is it advisable to dump the waste toner from a technicians service vacuum？（）A
When it is full.B
It is not recommended.C
Before performing preventative maintenance.D
After each call.
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单选题Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?（）A
Electric power and starting airB
Lube oil standby pump and control airC
Hydraulic switch and engage jacking gearD
Motor drain and pneumatic control system power
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单选题Very soon you will be performing maintenance operations. You would have several jobs to run as soon as the maintenance period starts. Which method would you use to create jobs without specifying the time period when the job should be run？（）A
use DBMS_IJOB packageB
use Oracle SchedulerC
use DBMS_JOB packageD
use Oracle Data Pump Export and Import
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单选题What are the conditions，under GMDSS，whereby a ship is NOT allowed to depart from any port? （）A
The vessel is not capable of performing all required distress and safety functionsB
The vessel is carrying more than the required number of qualified GMDSS radio operatorsC
The vessel has a temporary waiver of its radio license and Safety CertificateD
The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required
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单选题A technician at a small business goes into the server room to perform maintenance on a server and notices it is very hot and audible alarms are going off. The technician is unsure of how to remedy the situation. Which of the following should the technician do？（）A
Turn off all the equipment in the server closetB
Install a fan in the server closetC
Turn off the power to the server closetD
Follow escalation procedures for emergencies
考题
填空题The idea of a maintenance technician at Burt’s Bees turned out to be helpful and energy-efficient.____
考题
单选题Preventive maintenance （）.A
should not be carried out during the watchesB
can only be carried out in portC
is a kind of maintenances carried out prior to the occurrenceD
is a kind of maintenances carried out after the occurrence
考题
填空题保养预防（Maintenance Preventive，简称M.P）是将设备改善从（）（Easy Maintenance）演进到一开始就将设备设计成（）（Maintenance Free）。
考题
单选题Which statement describes the distributed call control model in VoIP networks？（）A
The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardownB
The gateway voice-capable device has a local call routing table configured through a routing protocol.C
The gateway voice-capable device relies on a call agent to support call control.D
The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.
考题
多选题Based on which two conditions can master Preventive Maintenance （PM） schedules be created？（）Aelapsed time since the target start date or completion date of previous work generated by PMBdifference between completion date of previous work and system date is equal to Lead TimeCelapsed time since the target start date or completion date of the latest work orders for the assetDmetered equipment usage since the target start date or completion date of previous work generated by PMEmetered equipment usage since the target start date or completion date of the latest work order for the asset
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