An engineer has typed four different single - line prefix lists in a word processor. The four answers show the four different single -lin e prefix lists. The engineer then does a copy/paste of the configuration into a router. Which of the lists could mat

题目

An engineer has typed four different single - line prefix lists in a word processor. The four answers show the four different single -lin e prefix lists. The engineer then does a copy/paste of the configuration into a router. Which of the lists could match a subnet whose prefix length is 27?（）

A、ip prefix - list fred permit 10.0.0.0/24 ge 16 le 28
B、ip prefix - list barney permit 10.0.0.0/24 le 28
C、ip prefix - list wilma permit 10.0.0.0/24 ge 25
D、ip prefix - list betty permit 10.0.0.0/24 ge 28

参考答案和解析

正确答案:B,C

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相似问题和答案

第1题：

A deer has four ______ , doesn't it?

A、foots

B、feet

C、feets

D、foot

参考答案： B

第2题：

An engineer has typed four different single - line prefix lists in a word processor. The four answers show the four different single -lin e prefix lists. The engineer then does a copy/paste of the configuration into a router.Which of the lists could match a subnet whose prefix length is 27?（）

A. ip prefix - list fred permit 10.0.0.0/24 ge 16 le 28

B. ip prefix - list barney permit 10.0.0.0/24 le 28

C. ip prefix - list wilma permit 10.0.0.0/24 ge 25

D. ip prefix - list betty permit 10.0.0.0/24 ge 28

参考答案：B, C

第3题：

I wonder how this place has ()for a four－star hotel.

A、gone

B、settled

C、passed

D、taken

参考答案：C

第4题：

It was the training that he had as a young man( )made him such a good engineer.

A.has
B.later
C.which
D.that

答案：D

解析：

考查强调句型。句子强调的部分是the training that he had as a young man，后面填that。故本题选D。句意：正是他年轻时所受的训练使他成为一位如此出色的工程师。

第5题：

The Company should establish in the SMS that ______has the overriding authority and the responsibility to make decisions with respect to safety and pollution prevention.

A.the master

B.the chief engineer

C.the officer on duty

D.the engineer in charge of watch

正确答案：A

第6题：

He always wanted to have ____of books and he has recently bought four____.

Ahundreds...hundreds

Bhundred...hundred

Chundreds...hundred

Dhundred...hundreds

正确答案：C

第7题：

RFC3270describesDifferentiatedServices（Diff-Serv）overMulti-ProtocolLabelSwitching（MPLS）networks.WhichmodelaltersDifferentiatedServices（Diff-Serv）codepointssetindifferentDifferentiatedServices（Diff-Serv）domain？（）

A.Uniformmodel

B.PipeModel

C.ShortPipe

D.NoneoftheabovewillalterDifferentiatedServices（Diff-Serv）codepointssetindifferent DifferentiatedServices（Diff-Serv）domain

参考答案：A

第8题：

22． This article has taught us ________ways for studying．

A．many

B．five

C．three

D．four

正确答案：D
22．D【解析】从这段短文知，共告诉我们四种学习方法。

第9题：

The population of the world has grown very fast__four hundred years.

A.for pass
B.in the pass
C.in the past
D.for past

答案：C

解析：

in the past意为“在过去的大约某一段时间内”。for表示的是现在完成时态中的时间，强调的是完成时态。因此，此句用for the past也是正确的。但选项中没有。

第10题：

He has（）four successful books.

A、wrote
B、written
C、been writing

正确答案:B

An engineer has typed four diff

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