单项选择题
In the WAN, when a point-to-point subnet is used, an important design issue is the roucer interconnection()
A.topology B.computer C.service D.lines
单项选择题 下列命题中哪个一定为真?()
单项选择题 通过计算机某些部分的改进而获得的性能增益可以用阿姆达尔定律计算出来,该定律指出:利用更快的执行方式而获得的性能改善所受到的限制是()
单项选择题 ORACLE RDBMS is a distributed DBMS. Which of the following techniques adapted ensure atomicity of distributed transaction()