______ of the following statements is（are）correct regarding motor lifeboats on cargo vessels．① The motor of each lifeboat shall be operated in the ahead and astern position for a period of not more than 5 minutes once in each week；② The fuel tank of all m

题目

______ of the following statements is（are）correct regarding motor lifeboats on cargo vessels．① The motor of each lifeboat shall be operated in the ahead and astern position for a period of not more than 5 minutes once in each week；② The fuel tank of all motor-propelled lifeboats shall be emptied and the fuel changed at least once in every year．

A.① only

B.② only

C.Both ① and ②

D.Neither ① nor ②

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第1题

A fire breaks out in ＃4 hold and partially damages some of the cargo．In order to extinguish the fire the hold is flooded thus damaging the remaining cargo in that hold．Which of the following is (are) correct？ ______ ① The damage to the cargo by fire is particular average． ② The damage to the cargo by water is general average．A.① onlyB.② onlyC.Both ① and ②D.Neither ① nor ②

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第2题

Which of the following statements is TRUE regarding crane operations ________．A.Radio communications allow the crane operator to disregard the use of hand signalsB.The crane operators and signalman must be familiar with the correct hand signalsC.The forward cranes can be operated from the bridgeD.The aft cranes can be operated from the aft steering station

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第3题

Which of the following is correct regarding full-state backups?（）A、used for either a single or dual UCS catastrophic failureB、can be restored with no special requirementsC、stored as gzipped tarballD、easy to modify as needed

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第4题

Which of the following statements regarding ISDN are correct?（）A、Each ISDN B channel has transmission speeds of up to 64 kbps.B、The ISDN B channel can carry video, voice or data.C、The ISDN B channel transmission rate varies depending on the service used.D、The ISDN D channel transmits control information.E、The ISDN B channels can be configured with different subnets and encapsulation types when dialer profiles are configured.

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第5题

Which of the following statements is true regarding the VERSIONS BETWEEN clause？（） A、 The VERSIONS BETWEEN clause may be used in DML statements.B、 The VERSIONS BETWEEN clause may be used in DDL statements.C、 The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.D、 The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.

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第6题

Which of the following statements is correct regarding a hybridcrypto system？（）A、 uses symmetric crypto for keys distributionB、 uses symmetric crypto for proof of originC、 uses symmetric crypto for fast encrypted/decryptionD、 uses asymmetric crypto for message confidentialityE、 uses symmetric crypto to transmit the asymmetric keys that is thenused to encrypt a session

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第7题

Which two statements regarding SNMP monitoring of a UCS system are correct?（）A、SNMP v3 is supportedB、includes same MIBs as the Cisco Nexus7000C、does not provides MIBs downstream of the fabric interconnectD、includes same MIBs as the Cisco Nexus2000

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______ of the following statements is(are)correct regarding motor lifeboats on cargo vesse

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