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【单选题】
ICMP协议是下面哪一个协议的缩写( )A.
Intermal Control Mail ProtOCOL
B.
Intranet Control Message Protocol
C.
Intermet Connection Message Protocol
D.
Internet Control Message Protocol
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反馈参考答案：
举一反三
【简答题】阅读理解。 We think with our head. But can computers think? Does a computer have a head? We can use a computer to calculate, play s, send emails, do homework and other things. A computer has several pa...
【单选题】When we want to【41】other people what we think, we can do it not only with the help of words, but also in many【42】ways. For example, we sometimes move our heads【43】when we want to say 'yes' , and we mo...
A.
say
B.
speak
C.
tell
D.
talk
【单选题】When we want to【56】other people what we think, we can do it not only with the help of words, but also in many【57】ways. For example, we sometimes move our heads【58】when we want to say 'yes', and we mov...
A.
say
B.
speak
C.
tell
D.
talk
【单选题】建立最广泛的统一战线是由近代 中国半殖民地半封建社会的阶级状况所决定的 ,其 阶级状况 的特点是( )。
A.
两头小中间大
B.
两头 大 中间 小
C.
我强敌弱
D.
势均力敌
【单选题】When we want to (56) other people what we think, we can do it not only with the help of words, but also in many (57) ways. For example, we sometimes move our heads (58) when we want to say 'yes', and ...
A.
say
B.
speak
C.
tell
D.
talk
【简答题】区域边界路由器
【简答题】When we can see well, we do not think about our eyes often. It is only when we can not see perfectly that we come to see how important our eyes are. People who are nearsighted can only see things that...
【简答题】阅读理解。 When we can see well, we do not think about our eyes often. It is only when we can not see perfectly that we come to see how important our eyes are. People who are nearsighted can only see thing...
【简答题】下图所示的OSPF网络由3个区域组成。在这些路由器中，漏于主干路由器的是（ ），属于区域边界路由器(ABR)钓是( )，属于自治系统边界路由器(ASBR)的是( )。 A.R1B.R2C.R5D.R8A.R3B.R5C.R7D.R8A.R2B.R3C.R6D.R8
【单选题】区域边界路由器?
A.
为所有区域维护一个数据库
B.
为所连接的每个区域维护一个独立的数据库
C.
维护两个数据库:骨干一个,其他所有区域一个
D.
为每个区域维护一个独立的路由表
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