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锌钡白有称为_____。

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出于安全考虑，系统管理员要监控在工作规定的时间之外，用户Suser远程访问Windows2000SERVER的情况，管理员应该怎么做()。

Auditpolicychange-success、failure
B. Auditprocesstracking-success
C. Auditobjectaccess-failure
D. Auditaccountlogonevents-success、failure

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恶意代码是()。

A. 被损坏的程序
B. 硬件故障
C. 一段特质的程序或代码片段
D. 芯片霉变

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Which system is often used to provide accurate vessel position information to the GMDSS equipment？

A. COSPAS-SARSAT
B. GPS
C. EPIRB
D. INMSRSAT-F

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What is the basic concept of GMDSS？

A. Search and rescue authorities shore can be alerted to a distress situation
B. shipping in the immediate vicinity of a ship in distress will be rapidly alerted
C. Shore-side authorities and vessels can assist in a coordinated SAR operation with minimum delay
D. All of these

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