【单选题】通过 Hub组建的以太网的实质是( )。
【单选题】在点-点式网络中,每条物理线路连接一对计算机。假如两台计算机之间没有直接连接的线路,那么它们之间的分组传输就要通过中间节点的来进行。
【单选题】在点一点式网络中,每条物理线路连接一对计算机。假如两台计算机之间没有直接连接的线路,那么它们之间的分组传输就要通过中间结点的( )。
【单选题】The text can be divided into four parts. The paragraph numbers of each part have been given to you. Now match their main ideas:Part Two Paras. 4-7 2.____________________________
A.
TThe writer views his life in the country as a self-reliant and satisfying one.
B.
After quitting his job, the writer’s income was reduced, but he and his family were able to manage to get by.
C.
A tolerance for solitude and a lot of energy have made it possible for the family to enjoy their life in the country
D.
Life in the country is good yet sometimes very hard.
【单选题】在点一点式网络中,每条物理线路连接一对计算机。假如两台计算机之间没有直接连接的线路,那么它们之间的分组传输就要通过中间结点的( )。
【单选题】在点—点式网络中,每条物理线路连接一对计算机,假如两台计算机之间没有直接连接的线路,那么它们之间的分组传输就要通过中间结点的______。