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【简答题】
NAFTA(东北财大2003研)
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举一反三
【多选题】Which are the two key concepts for effectiveness?
A.
Economy
B.
Accuracy
C.
Beauty
D.
Depth
【多选题】Which two statements are true about the primary key constraint in a table？ （）
A.
It is not possible to disable the primary key constraint.
B.
It is possible to have more than one primary key constraint in a single table.
C.
The primary key constraint can be referred by only one foreign key constraint.
D.
The primary key constraint can be imposed by combining more than one column.
E.
The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.
【多选题】Which of following are two key reasons for Nick's success? Click on two answers.
A.
Nike is the best brand of athletic footwear and sports clothing.
B.
The managers of Nike, Bowerman and Knight are both athletes.
C.
The company let Jordan endorse Nile's shoes.
D.
The diligence of the company managers.
【多选题】Which two statements about the Diffie-Hellman (DH) key exchange process are correct? （）(Choose two.)
A.
In the DH key exchange process, the session key is never passed across the network.
B.
In the DH key exchange process, the public and private keys are mathematically related using the DH algorithm.
C.
In the DH key exchange process, the session key is passed across the network to the peer for confirmation.
D.
In the DH key exchange process, the public and private keys are not mathematically related, ensuring higher security
【简答题】最低级和最松散的区域经济一体化组织是( )。
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