WhatisoneoftheprimaryoverheadfieldsassociatedwiththeOpticalPayloadUnit(OPU)?()
A. pathmonitoring
B. tandemconnectionmonitoringactivationdeactivation(TCMACT)
C. PayloadStructureIdentifier(PSI)
D. multiframealignmentsignal(MFAS)
E. sectionmonitoring
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3,5Br2-PADA分光光度法测定水中银时,水样中相对于银含量()倍的银(III)对银的测定无影响。
A. 200
B. 500
C. 1000
D. 1200
Whenwilltheprimaryprocessorcoredumprunincaseofaswitchover?()
A. nevertakesplace
B. periodically
C. duringswitchover
D. afterswitchover
E. beforeswitchover
TheRiskRatingforan IPSsignatureiscalculatedusingfourprimarycomponents.Selectthefourcomponentsbelow.()
A. SignatureFidelityRating
B. AlertSeverityRating
C. ExploitProbabilityRating
D. TargetValueRating
E. AttackRelevancyRating
铬天菁S光度法测定水中铍时,含铍适量且无干扰的清洁水样,无需活性炭吸附富集,可将水样的PH调至后直接显色测定。()
A. 弱酸性
B. 弱碱性
C. 中性
D. 强酸性