皮皮学，免费搜题
登录
搜题
【单选题】
由于帧中继可以使用链路层来实现复用和转接,所以帧中继网中间节点中只有 ( )A.
物理层和链路层
B.
链路层和网络层
C.
物理层和网络层
D.
网络层和传输层
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】三七药材的主产地是
【简答题】Since life is short and the world is wide, the sooner you start exploring it, the better. Soon enough the time will come when you are too tired to move farther than the terrace of the best hotel. Go n...
【单选题】From the story of Wang Lina we can learn that______.
A.
the sooner you go to the countryside, the sooner you will be successful
B.
local farmers can get big harvests if they learn more knowledge
C.
university graduates can also realize their value in rural areas
D.
Wang had great difficulty in helping villagers planting organic strawberries
【单选题】Being abroad, ___________ the new condition, the easier your new life will be.
A.
the sooner you adjusted to
B.
the sooner you are adjusted
C.
the more you are adjusted
D.
the sooner you are adjusted to
【单选题】you start, the sooner you will be back.
A.
The early
B.
Earlier
C.
Early
D.
The earlier
【简答题】The sooner you answer the letter, the better.
【单选题】The sooner you finish your work, ______ your will be able to go home.
A.
earlier
B.
the earlier
C.
early
D.
more early
相关题目：