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【简答题】
2 )已知B类地址189.226.0.0 /16,要求划分为6个子网。写出应该采用什么子网掩码?划分好的各个子网中的第二个子网的网络地址是什么?第二个子网的可用的IP地址范围是什么?第二个子网的直接广播地址是什么(不考虑非标准划分的全0、全1子网号)? (1)子网掩码为: ________________________ (2分) (2)第二个子网的网络地址为: ________________________ (2分) (3)第二个子网的可用的IP地址范围为: __________________________ (2分) (4)第二个子网的直接广播地址为: __________________ 台计算机(2分)
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参考答案：
举一反三
【单选题】最小照度也称成像灵敏度,是指CCD对环境光线的敏感程度,其
A.
单位为LU,数值越大表示需要的光线越少
B.
单位为LUX,数值越小表示需要的光线越少
C.
单位为mm,数值越大表示需要的光线越少
D.
单位为mm,数值越小表示需要的光线越少
查看完整题目与答案
【简答题】阅读短文，完成表格。 We all dream about things that we would like to do we hope to achieve in the future. But are everybody’s dreams the same? Here are some of the findings of a survey about hopes and dreams, i...
查看完整题目与答案
【单选题】We would like to take this ( ) to establish business relations with you.
A.
opening
B.
opportunity
C.
step
D.
advantage
查看完整题目与答案
【单选题】查找10天及以前参加工作的记录的条件是( )
A.
>=Date（  ）-10
B.
<=Date（  ）-10
C.
>Date（  ）-10
查看完整题目与答案
【单选题】最小照度也称成像灵敏度,是指CCD对环境光线的敏感程度,其()
A.
单位为LUX,数值越大表示需要的光线越少
B.
单位为LUX,数值越小表示需要的光线越小
C.
单位为MM。数值越小表示需要的光线越小
D.
单位MM,数值越小表示需要的光线越少
查看完整题目与答案
【单选题】We were challenged to make ________ publicly about things we would like to change in our lives.
A.
commitments
B.
commissions
C.
contributions
D.
dedications
查看完整题目与答案
【简答题】We all dream about things that we would like to do we hope to achieve in the future. But are everybody’s dreams the same? Here are some of the findings of a survey about hopes and dreams, in which tho...
查看完整题目与答案
【简答题】We all dream about things that we would like to do and things. we hope in the future. But are everybody’s dreams the same? Here are some of the of a survey about hopes and dreams, which thousands of s...
查看完整题目与答案
【简答题】We all dream about things that we would like to do and things we hope to achieve in the future. But are everybody’s dreams the same? Here are some of the findings of a survey about dreams, in which th...
查看完整题目与答案
【判断题】最小照度,也称为灵敏度 ,是 CCD 对环境光线的敏感程度,或者说是 CCD 正常成像时所需要的最暗光线。照度的单位是勒克斯(LUX),数值越大,表示需要的光线越多,摄像头也越灵敏。()
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】最小照度也称成像灵敏度,是指CCD对环境光线的敏感程度,其
A.
单位为LU,数值越大表示需要的光线越少
B.
单位为LUX,数值越小表示需要的光线越少
C.
单位为mm,数值越大表示需要的光线越少
D.
单位为mm,数值越小表示需要的光线越少
查看完整题目与答案
【简答题】阅读短文，完成表格。 We all dream about things that we would like to do we hope to achieve in the future. But are everybody’s dreams the same? Here are some of the findings of a survey about hopes and dreams, i...
查看完整题目与答案
【单选题】We would like to take this ( ) to establish business relations with you.
A.
opening
B.
opportunity
C.
step
D.
advantage
查看完整题目与答案
【单选题】查找10天及以前参加工作的记录的条件是( )
A.
>=Date（  ）-10
B.
<=Date（  ）-10
C.
>Date（  ）-10
查看完整题目与答案
【单选题】最小照度也称成像灵敏度,是指CCD对环境光线的敏感程度,其()
A.
单位为LUX,数值越大表示需要的光线越少
B.
单位为LUX,数值越小表示需要的光线越小
C.
单位为MM。数值越小表示需要的光线越小
D.
单位MM,数值越小表示需要的光线越少
查看完整题目与答案
【单选题】We were challenged to make ________ publicly about things we would like to change in our lives.
A.
commitments
B.
commissions
C.
contributions
D.
dedications
查看完整题目与答案
【简答题】We all dream about things that we would like to do we hope to achieve in the future. But are everybody’s dreams the same? Here are some of the findings of a survey about hopes and dreams, in which tho...
查看完整题目与答案
【简答题】We all dream about things that we would like to do and things. we hope in the future. But are everybody’s dreams the same? Here are some of the of a survey about hopes and dreams, which thousands of s...
查看完整题目与答案
【简答题】We all dream about things that we would like to do and things we hope to achieve in the future. But are everybody’s dreams the same? Here are some of the findings of a survey about dreams, in which th...
查看完整题目与答案
【判断题】最小照度,也称为灵敏度 ,是 CCD 对环境光线的敏感程度,或者说是 CCD 正常成像时所需要的最暗光线。照度的单位是勒克斯(LUX),数值越大,表示需要的光线越多,摄像头也越灵敏。()
A.
正确
B.
错误
查看完整题目与答案
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