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【单项选择题】

Power is defined as the （）.

A、A.rate of doing work

B、B.amount of force needed to overcome friction

C、C.amount of work accomplished

D、D.distance through which an object is moved

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更多“Power is defined as the （）.”相关的问题
第1题
[单选题] When configuring a single SRX210 as a firewall enforcer to a MAG4610 active/passive cluster, which statement supports a fault-tolerant configuration?（）

A、The cluster VIP is defined on the MAG4610 cluster, and the VIP of the cluster is defined as an instance on the SRX Series device.  B、The cluster VIP is not defined on the MAG4610 cluster, and the IP address of both the active and passive nodes of the cluster are defined as separate instances on the SRX Series device.  C、The cluster VIP is defined on the MAG4610 cluster, and the IP address of the active node is defined as an instance on the SRX Series device.  D、The cluster VIP is not defined on the MAG4610 cluster, and the IP address of the passive node is defined as an instance on the SRX Series device.  

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第2题
[单选题] The contrast ratio for an LCD monitor is BEST defined as the ratio between:（）

A、display resolution and brightness.  B、power consumption and output intensity.  C、power savings of a comparablecrt monitor and the lcd.  D、the darkest and lightest displayed output.  

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第3题
[单选题] When the current in a power transmission line is increased, the power loss （）

A、increases as the square of the current  B、decreases as the square root of the current  C、remains the same, as it is independent of current flow  D、increases in direct proportion as the current  

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第4题
[单选题] The （） is a measure of the phase difference between voltage and current and is expected as the cosine of phase angle.

A、power  B、efficiency  C、effective power  D、power factor  

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第5题
[单选题] The system administrator did a new install of AIX on a server about a week ago. The system was not rebooted after the installation. CDE is running on this system as is TCPIP. The system administrator has started configuring the system percompany directives. The power cable was inadvertently disconnected from the wall causing the sever to lose power. Upon reboot, the system appears to hang during log in from the console or from Xterminals. Which of the following is the most probable cause?（）

A、It is a hardware problem caused by the power failure.  B、There is a network problem, most probably with name resolution.  C、Sine the system was never rebooted, devices are marked defined instead of available and need to be activated.  D、Some filesets may be marked as broken and need to be reinstalled.  

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第6题
[单选题] Which of the following is the BEST case scenario for power fault tolerance within a server?（）

A、Redundant power supplies with one power supply connected and one power supply as a hot spare.  B、Redundant power supplies with each connected to a separate power circuit.  C、Redundant power supplies connected via a Y-cable.  D、Redundant power supplies with each connected to the same power circuit.  

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第7题
[] John, a junior workflow developer, has approached you for advice on a workflow process that he is defining. He is unclear about the implications of selecting the Runnable checkbox while defining the Process Activity. What advice would you offer?（） John, a junior workflow developer, has approached you for advice on a workflow process that he is defining. He is unclear about the implications of selecting the Runnable checkbox while defining the Process Activity. What advice would you offer?（）

A、A. Runnable allows the workflow engine to compile the process.  B、B. Runnable allows the process to be included as a stand-alone subprocess.  C、C. Runnable allows the workflow engine to check its status during process execution.  D、D. Runnable allows the workflow engine to define this as a top-level process and initiate it  

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第8题
[单选题] A technician is installing a new power supply into a computer. One of the power supply connectors that the technician needs to connect to the motherboard is square and contains 4-pins. This connector is known as which of the following?（）

A、SATA  B、FDD  C、IDE  D、ATX  

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第9题
[单选题] A reservoir, as used in hydraulic systems aboard ship, is used to store hydraulic oilAnother function is to（）

A、act as a shock absorber  B、maintain the stored oil under pressure  C、act as a base or foundation for the power unit  D、eliminate pressure surges in the system  

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