在华为路由器特权模式下输入show interface ,显示物理接口UP,线路接口

题型:多项选择题

问题:

在华为路由器特权模式下输入show interface ,显示物理接口UP,线路接口DOWN,可能的故障现象是______

A.存活间隔设置不一致
B.时钟速率与对端不一致
C.链路协商没有通过
D.没有来自对端的载波信息

考点:计算机认证考试华为认证计算机华为认证
题型:多项选择题

根据短文内容判断对错,对的选择A,错的选择B

This is a boy. His name is Tom. He has a nice cat. It is an English cat. His friends are Lucy and Mike. They have cats, too. Their names are Mimi and Maomao. They are Chinese cats. The English cat is five. The Chinese cats are three. They like their cats.

Today they can’t find the English cat and the Chinese cats. They ask an old man, “Where are our cats?”“I don’t know.” he says. “Are they in the tree?” Tom and Mike ask. “Listen, listen!” Lucy says. “Miaow, miaow...”“Oh, over there.” They go to the tree, and carry(抱) them down.

小题1:Lucy has a good English cat.

小题2:Tom has two friends.

小题3:The English cat is three and the Chinese cats are five.

小题4:Tom and his friends have three cats.

小题5:The cats are in the old man’s house.

题型:多项选择题

甲、乙、丙3位同学选修课程,从4门课程中,甲选修2门,乙、丙各选修3门,则不同的选修方案共有 [ ]

A、36种

B、48种

C、96种

D、192种

题型:多项选择题

关于噎膈与反胃的表现,不正确的是()

A.皆有呕吐症状

B.反胃饮食能人,但经久复出

C.均有吞咽困难,阻塞不下

D.反胃朝食暮吐,暮食朝吐

E.均有咽中似异物,咯之不出,吞之不下

题型:多项选择题

新航路开辟和丝绸之路开通的共同影响是

A.开始了世界一体化的进程

B.促进了沿途地区的经济文化交流

C.促进了资本主义的产生和发展

D.促进了欧洲、亚洲、非洲、美洲的交往

题型:多项选择题

在钻井过程中钻井液()才能形成滤饼。

A、有压力

B、有滤失

C、无压力

D、无滤失

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