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【简答题】
下列程序运行时,若从键盘输入: 123< 回车 >45678< 回车 > 后结果是 。 #include void main() { char c1,c2,c3,c4,c5,c6; scanf( “ %c%c%c%c ” ,&c1,&c2,&c3,&c4); c5=getchar( ); c6=getchar( ); putchar(c1); putchar(c2); printf( “ %c%c\n ” ,c5,c6); }
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举一反三
【单选题】How many subnetworks and hosts are available per subnet if you apply a /28 mask to the 210.10.2.0 class C network?
A.
30 networks and 6 hosts.
B.
6 networks and 30 hosts.
C.
8 networks and 32 hosts.
D.
16 networks and 14 hosts.
【单选题】下面哪种方式不适合收取小额样品费( )
A.
WestUnion
B.
Paypal
C.
L/C
D.
MoneyGram
【单选题】下面哪种方式不适合收取小额样品费
A.
Money Gram
B.
L/C
C.
West Union
D.
Paypal
【单选题】Internet的网络层含有四个重要的协议,分别为(  )
A.
IP,ICMP,ARP,UDP
B.
TCP,ICMP,UDP,ARP
C.
IP,ICMP,ARP,RARP
D.
UDP,IP,ICMP,RABP
【单选题】You have the network 172.16.10.0/24. How many subnets and hosts are available?
A.
1 subnet with 10 hosts
B.
1 subnet with 254 hosts
C.
192 subnets with 10 hosts
D.
254 subnets with 254 hosts
【简答题】With more forests being destroyed, huge quantities of good earth ________ (be) being washed away each year.
【单选题】You have the network 192.168.10.0/24. How many subnets and hosts are available?
A.
1 subnet with 10 hosts
B.
1 subnet with 254 hosts
C.
192 subnets with 10 hosts
D.
254 subnets with 254 hosts
【单选题】UWB的DS-CDMA方案可以支持最多( )个Piconet同时工作,其中一半工作在低频段,另一半工作在高频段。
A.
6
B.
8
C.
10
D.
12
【简答题】工作在高频频段的射频前端采用 工作方式。A. 电感耦合
【判断题】主驾和副驾的安全气囊引爆器都为双级气体发生器,工作原理相同。
A.
正确
B.
错误
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