The relief valves in the system should be readjusted
The filters and strainers should be checked frequently
All system pressure should be readjusted
The system should be drained and renewed with a fluid of different operating characteristics
第1题：
Before doing any work on a hydraulic system equipped with accumulators, you should
A.drain the accumulators and purge with oxygen
B.bleed off all stored energy from the accumulators completely
C.charge the accumulators to prevent system energy loss
D.pump the hydraulic fluid into the accumulators to prevent fluid loss
第2题：
Before performing any maintenance on a hydraulic system storing energy in an accumulator, you should
A.pressurize the system to test for leaks
B.bleed off all pressure within the system
C.operate the machine until it reaches normal temperature
D.disconnect the pump pressure control switch
第3题：
什么情况下必须运行lilo
A.once a day from cron
B.once a week from cron
C.after installing a new kernel
D.after installing a new module
第4题：
A switch that is to be added to the production network has been preconfigured （trunks， VLANs， VTP， and STP） and was tested in your lab. After installing the switch into the network， the entire network went down. What might explain what happened？ （）
第5题：
Pressure drop in an operating hydraulic system is developed ______.
A.only by the pump as its primary function
B.by resistance to the fluid flow through the system
C.by the thermal input to the system's fluid
D.solely(单独地) by the charge applied by the accumulators
第6题：
After installing a new hydraulic pump in a system, what special attention should be given to the hydraulic system?
A.The relief valves in the system should be readjusted
B.The filters and strainers should be checked frequently
C.All system pressure should be readjusted
D.The system should be drained and renewed with a fluid of different operating characteristics
第7题：
The network technician is troubleshooting a network issue by implementing a new security device.After installing and configuring the device, which of the following steps should the technician takeNEXT?（）
A. Verity full system functionality
B. Identify the main problem and question the user
C. Document their findings, actions, and outcomes
D. Escalate the issue to upper management
第8题：
If you install a new hydraulic hose in a hydraulic system, the hose must be long enough to allow for contraction to prevent
A.failure of the hydraulic hose
B.excessive flow through the line
C.friction in other areas of the hydraulic system
D.overheating of the hydraulic fluid
第9题：
In the event of a catastrophic disaster， after which you need to replace the entire UCS blade system （that is， new fabric interconnects， new IOMs， new chassis， and new blades）， what type of backup would provide the most complete set of information？（）
第10题：
After installing a new p5 595, the system performs poorly. Which of the following services would provide updates needed to fix the problem?（）