Which statement comparing a shipboard crane to conventional gear is TRUE（）.

A . Vapor pressure B . Dew point C . Barometric pressure D . Absolute humidity

A . Cisco validated Designs can be implemented quickly without customer input. B . Cisco is focusing on the PIN architecture as a means to driving integrated networks. C . The Cisco PIN architecture is a critical mechanism for supporting integrated markets because it can be implemented quickly. D . The Cisco validated Designs program provides critical mechanisms for supporting integrated markets because the mechanisms can be implemented quickly.

A . In a two-stroke/cycle engine, the rings run hotter, requiring the end gap to be greater B . Some provision must be made in a two-stroke/cycle engine to keep the rings from binding in the ports C . No gap is required to exist between the ends of the ring when cold in a two-stroke/cycle engine, but a small gap is required in a four-stoke/cycle engine D . The gaps should be staggered on either side of a piston in a two-stroke/cycle engine, while staggering is not necessary in a four-stroke/cycle engine

A . The high discharge pressure of the rotary pumps permits a larger volume of fluid per unit time than the reciprocating pump B . Rotary pumps are capable of pumping more fluid than reciprocating pumps of the same weight C . Rotary pumps occupy only one-half the space of reciprocating pumps D . Rotary pumps eliminate discharge slippage of the pumped liquid, while this does not hold true for a reciprocating pum

A .  closing the stream B .  flushing the stream C .  writing to the stream D .  marking a location in the stream E .  writing a line separator to the stream

A . much faster B . focused primarily on cost C . not constrained by formal RFP D . technology focused E . less educated F . influenced by peer

A . Cold fronts are more violent and of shorter duration B . Cold fronts are milder and last longer C . They are very similar with the exception of wind direction D . Warm fronts are more violent and of longer duratio

A . Security increases because only the network administrator may change the routing tables B . Configuration complexity decreases as network size increases C . Routing updates are automatically sent to neighbors D . Route summarization is compued automatically by the router E . Routing traffic load is reduced when used in stub network links F . An efficient algorithm is used to build routing tables,using automatic updates G . Routing tables adapt automatically to topology changes.

A .  monochrome backlit display B .  full-duplex speakerphone C .  MP3 music player D .  dynamic softkeys E .  Bluetooth

A . Both technologies guarantee an identical copy of data on the secondary node B . Only MySQL can maintain a time-delayed copy of data on the secondary node C . Both technologies use the TCP/IP stack as their primary transmission medium D . DRBD uses shared-disk technology

A . The bgp deterministic-med command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path length B . The bgp always-compare command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path system C . Enabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system. D . Enabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems. E . The bgp deterministic-med and bgp always-compare-med commands are enabled by defult.

A . Slightly higher fuel consumption B . Lack of directional control when backing C . Inefficient at high shaft RPM D . Some unusual handling characteristic

A . Cleaner B . Effective C . Greater range D . More cooling effect

A . The class implements java.lang.Comparable. B . The class implements java.util.Comparator. C . The interface used to implement sorting allows this class to define only one sort sequence. D . The interface used to implement sorting allows this class to define many different sort sequences.

A . Longitudinal center of buoyancy and longitudinal center of gravity B . Longitudinal center of floatation and longitudinal center of gravity C . Longitudinal center of floatation and longitudinal center of buoyancy D . Longitudinal tipping center and longitudinal center of gravity

A . Distance vector protocols send the entire routing table to directly connected neighbors. B . Distance vector protocols are responsible for sending updates to all networks listed in the routing table. C . Link state protocols are responsible for sending the entire routing table to the whole network. D . Link state protocols send updates regarding their own links status to all other routers on the network.

A . management of many WebLogic Server Domains from a single web console B . tracking changes in the configuration of WebLogic Domain C . automation of provisioning process in the new environment D . checking compliance with the licenses that a customer has E . visual creation of JDBC DataSource object to Oracle RAC

A . Security increases because only the network administrator may change the routing tables. B . Configuration complexity decreases as network size increases. C . Routing updates are automatically sent to neighbors. D . Route summarization iscompued automatically by the router. E . Routing traffic load is reduced when used in stub network links F . An efficient algorithm is used to build routing tables，using automatic updates. G . Routing tables adapt automatically to topology changes.

A．Direct. B．Well-prepared. C．Moderate in the expense. D．Authentic. 此题为多项选择题。