【单选题】若某台机器的IP地址为131.105.4.1,且它属于B类网,则其主机号为______。
【简答题】某企业分配给产品部的 IP 地址块为 192.168.31.192/26 ,分配给市场部的IP 地址块为192.168.31.160/27 ,分配给财务部的 IP 地址块是 192.168.31.128/27 ,那么这三个地址经过聚合后的地址为 A) 192.168.31.0/25 B) 192.168.31.0/26 C)192.168.31.128/25 D) 192.168.31.128/2...
【单选题】Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you ...
B.
Increasing fuel efficiency.
C.
Californias pollution laws.
【单选题】迄今为止人类历史上先后出现过四种战争形态,这四种战争形态不包括如下选项中的哪些?