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If a refrigeration compressor will not start, the reason may be （）.
A . the pressure regulating valve is not closing
B . an excessive lack of refrigerant in the system
C . badly leaking discharge valves
D . worn piston ring
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A system administrator has filesystems that should not be mounted during system startup. How can the system administrator prevent the /data filesystem from being mounted during subsequent boots？（）
A . mount -no /data
B . chfs -A no /data
C . mount -t nfs /data
D . chfs -a type=nfs /data
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In an auxiliary boiler steam and water system, the highest pressure will be in the （）.
A . steam stop valve
B . dry pipe
C . feedwater system
D . generating tube
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In the GMDSS, MSI broadcasts will be made on two dedicated systems:（）and（）.
A . NBDP/VHF radio
B . Inmarsat safetyNet/NAVTEX
C . Safety service / Inmarsat-A
D . Long range / short range
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It will be safer to walk on the streets because people will not need to carry large amounts of cash; virtually all financial（）will be conducted by computer.
A . transformations
B . transmissions
C . transitions
D . transactio
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The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if the boiler （）
A . salinity is abnormally high
B . steam demand is too high
C . water level is abnormally low
D . feedwater flow is low
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In which of the listed hydraulic systems will the installation of an oil cooler be necessary?（）
A . Constant tension mooring winch system
B . Hatch cover system
C . Watertight door system
D . Internal combustion engine hydraulic starter system
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A redaction policy was added to the SAL column of the SCOTT.EMP table: All users have their default set of system privileges. For which three situations will data not be redacted?（）
A . SYS sessions, regardless of the roles that are set in the session
B . SYSTEM sessions, regardless of the roles that are set in the session
C . SCOTT sessions, only if the MGR role is set in the session
D . SCOTT sessions, only if the MGR role is granted to SCOTT
E . SCOTT sessions, because he is the owner of the table
F . SYSTEM session, only if the MGR role is set in the sessio
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An AIX server will not boot in normal mode and the server must be booted into maintenance mode to rebuild the boot logical volume. A NIM master is not defined in this environment. How is the system booted into maintenance mode to perform this task （）
A . Apply power and when the SMS menus appear press 5 repeatedly to enter a maintenance boot automatically. The system will present a maintenance shell eventually.
B . Boot media such as CDROM or Tape is required to boot into maintenance mode. When inserted into the proper device the system automatically boots into maintenance mode when it can not boot into normal mode.
C . Apply power and the server automatically boots into maintenance mode where you can select your disk to rebuild the boot logical volume.
D . Boot media such as CDROM or Tape is required and an administrator must select the proper SMS menus to get into maintenance mode.
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A system administrator wants to configure a system so that all new users will be put into the database group by default. How would this be accomplished？（）
A . remove all other groups from the system
B . run the command mkuser -default "GROUP=database"
C . change the default group in /usr/lib/security/mkuser.default
D . edit /etc/security/group to move all users to the database stanza
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The blowers of an inert gas generation system aboard a tanker，will be automatically secured if（）.
A . normal water supply at the water seal is lost
B . the temperature of the inert gas being delivered to the cargo tanks is more than 150°F
C . the cooling water supply to the scrubbers is lost
D . all of the above
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But even if we ______ , the battle will not be over.
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The reason that it is difficult to theorize when the systems will be widely used is that .
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The purchaser will not be responsible in connection with the packing or delivery of the above goods.
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The task will not be fulfilledwe get help from the other departments.
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The task will not be fulfilled we get help from other departments.
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Max says the shopping centres will not be full.
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The wing of A3 × × will not be spoiled because surfaces are designed to be movable. 查看材料
A.Right
B.Wrong
C.Not mentioned
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Contestants who do not comply with the regulations will be disqualified.
A．cooperate with
B．observe
C．approve
D．submit to
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What will NOT be the effect of the Government's water buy-back scheme？
A．The regional economy of the irrigation farm will collapse.
B．Australia's agriculture will be reduced by $7～15 billion.
C．Most of Australia's agriculture product will no longer be sold into domestic market.
D．Australia will be on the edge of becoming a net importer of food.
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The application must be made within twenty-four hours, or it will not be_____ to（）
A．applied
B．objected
C．attended
D．tended
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Papers must be handed in by the deadline.__they will not be graded（）
A．Obviously
B．Otherwise
C．As a result
D．Even though
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Clarkson Library will be closed for renovations from May 3 to July 15, _______ which time the collection will not be open to the public.
A．while
B． during
C． with
D． between
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The objective of （71）is to determine what parts of the application software will be assigned to what hardware. The major software components of the system being developed have to be identified and the
A．datapersistence
B． dataaccessobjects
C． databaseconnection
D． dataaccesslogic
