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【单选题】
When scaling Coherence from one to two cache servers， it will not show the same scalability as two to four. Why？（）A.
Coherence uses a more efficient TCMP algorithm going from two to four cache servers
B.
When going from one to two cache servers， object backups are copied across servers so work is doubled，but going from two to four is a fixed amount of work
C.
Near cache is enabled with a larger quorum thus performance is improved
D.
all of the above
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【单选题】Eighteenth-century statesmen were totally convinced that war could be used as ______ settling disputes.
A.
a mean to
B.
a means for
C.
some means for
D.
meanses for
【单选题】With a lot of problem ________, the newly – elected president is having a hard time.
A.
settled
B.
settling
C.
to settle
D.
being settled
【单选题】After a few rounds of talks, both sides regarded the territory dispute______.
A.
being settled
B.
to be settled
C.
had settled
D.
as settled
【单选题】No sooner______ themselves in their seats in the hall than the speaker began his speech.
A.
they settled
B.
had they settled
C.
did they settle
D.
they had settled
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