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搜题
【单选题】
某公司获得了一个C类网络,要划分成5个小网络每个网络上的用户数量分别是15个,7个,13个,16个,7个,则该公司应使用子网掩码应为:( )A.
255.255.255.128
B.
255.255.255.192
C.
255.255.255.224
D.
255.255.255.248
E.
255.255.255.252
F.
255.255.255.240
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参考解析：
知识点：
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举一反三
【单选题】有下面的程序段,执行后c的值为( )。 int a=3, b=2, c; char p='A'; c=(a && b)&&(p>'B')
A.
false
B.
true
C.
1
D.
0
【单选题】假设ES段中有一个字符串“12FG3LM5C”，其名为ARRAY，下面程序段执行后，CX的值是______。 CLD LEA DI, ES:ARRAY MOV AL, 'G' MOV CX, 9 REPNE SCASB HLT
A.
9
B.
5
C.
4
D.
0
【简答题】Based on the above passage, decide whether the following statements are true or false. Write T for true and F for false. 1._____ Thanksgiving turkey is not a typical "American" food. 2._____ You can f...
【简答题】Task 2 read the passage. Write true or False for the statements. As housing becomes increasingly expensive, more and more young people are choosing to rent instead of buying. This means that it is get...
【单选题】假设ES段中有一个字符串“ABCDECF”，其名为ARRAY，下面程序段执行后，CX的值是______。 CLD LEA DI, ES:ARRAY MOV AL, 'C' MOV CX, 7 REPNE SCASB HLT
A.
3
B.
4
C.
5
D.
2
【简答题】True or False. 读短文,判断正误。 Many people have mobile phones, but how to use them differs across cultures . In Spain, however, mobile phones are used everywhere, and people discuss their private lives alou...
【判断题】Based on the above passage, decide whether the following statements are true or false. Write T for true and F for false. 1._____ Long-distance travel by train is common in the United States. 2._____ S...
A.
正确
B.
错误
【单选题】有下面的程序段,执行后c的值为( )。 int a=3, b=2, c; char p='A'; c=(a && b)&&(p>'B')
A.
flase
B.
true
C.
1
D.
0
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【单选题】有下面的程序段,执行后c的值为( )。 int a=3, b=2, c; char p='A'; c=(a && b)&&(p>'B')
A.
false
B.
true
C.
1
D.
0