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【单选题】
下图中的人物对数字电子计算机的发明起到了很大的推动作用。他是 的 。A.
美国；冯·诺伊曼。
B.
英国；冯·诺伊曼。
C.
美国；阿兰·图灵。
D.
英国；阿兰·图灵。
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举一反三
【单选题】WHAT IS TRUE CONCERNING PHYSICAL AND LOGICAL TOPOLOGIES?
A.
Logical topologies refer to how a network transfers data between devices.
B.
Physical topologies display the IP addressing scheme of each network.
C.
The logical topology is always the same as the physical topology.
D.
Physical topologies are concerned with how a network transfers frames.
【单选题】Which statement is true about logical units?（）
A.
Logical units are similar to VLANs used by other vendors.
B.
A logical unit is required for transit inteces.
C.
Frame Relay encapsulation supports one logical unit.
D.
Link speed and duplex are configured in the logical unit properties.
【简答题】斯美塔那是 民族乐派的代表人物。
【单选题】Which attribute of a logical volume can NOT be changed after it is created？（）
A.
The placement of the logical volume
B.
The stripe size of the logical volume
C.
The upper bound of the logical volume
D.
The intra-policy of the logical volume
【单选题】Give the logical variables X=0, Y=1, The value of X∧Y(logical multiply) is( ).
A.
1
B.
2
C.
10
D.
0
【简答题】A．lawful B．historical C．natural D．logical
【单选题】Give the logical variables X=Y=1, the value of X ∨ Y(logical addition) is( ).
A.
1
B.
2
C.
10
D.
0
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