（）means the level for which further specific protective security measures shall be maintained for a limited period of time when a security incident is probable or imminent, although it may not be possible to identify the specific target...

第1题

[单选题] The average height of the surface of the sea for all stages of the tide over a 19 year period is called（）.

A、mean high water B、mean low water C、half-tide level D、mean sea level

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第2题

[] The reference datum used in determining the heights of land features on most charts is（）.

A、A.mean sea level B、B.mean high water C、C.mean low water D、D.half-tide level

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第3题

[单选题] An administrator notices that some of their systems are reporting a number in the eferred Level?column on the HMC pdates?panel. WhatAn administrator notices that some of their systems are reporting a number in the ?eferred Level?column on the HMC ?pdates?panel. What is the meaning of the eferred Level?is the meaning of the ?eferred Level?（）

A、The number denotes the firmware level which will be activated when AIX is next rebooted. B、The number denotes the firmware level which will be activated when all LPARs are next started. C、The number denotes the firmware level which will be activated when the managed system is next restarted. D、The number denotes how many days have elapsed since the firmware was installed without the LPARs being reactivated.

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第4题

[单选题] The height of a light is measured from which reference plane?（）

A、Mean low water B、Mean high water C、Average water level D、Geographical sea level

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第5题

[单选题] （） means the level for which minimum appropriate protective security measures shall be maintained at all times, threats and exchanging such information with appropriate Contracting Governments.

A、Security level 1 B、Security level 2 C、Security level 3 D、Lowest safety level

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第6题

[单选题] （） means the level for which appropriate additional protective security measures shall be maintained for a period of time as a result of heightened risk of a security incident.

A、Security level 1 B、Security level 2 C、Security level 3 D、Medium safe level

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第7题

[单选题] Normal pool elevation is the height in feet of the section of river above a dam. This height is measured from（）.

A、low steel on the Huey P. Long Bridge B、mean sea level C、the local water table D、the minimum dam control level

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第8题

[单选题] The shoreline on charts generally represents the mean（）.

A、High water line B、Low water line C、Low water spring line D、Tide level

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第9题

[单选题] The boat command that means complete the stroke and level the oars horizontally with the blades trimmed fore and aft is（）.

A、Oars B、Up oars C、Way enough D、Hold water

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（）means the level for which further specific protective security measures shall be maintained for a limited period of time when a security incident is probable or imminent, although it may not be possible to identify the specific target.

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