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After testing a new 100BaseTX c

题目

After testing a new 100BaseTX cable, the technician determines that only pairs 4, 5, 7, and 8 are straight-thru wires. Which of the following MOST likely describes this cable type?（）

  • A、Crossover cable with open pairs
  • B、Crossover cable
  • C、Rollover cable
  • D、Straight-thru cable with open pairs
参考答案和解析
正确答案:B
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相似问题和答案

第1题：

什么情况下必须运行lilo

A.once a day from cron

B.once a week from cron

C.after installing a new kernel

D.after installing a new module


正确答案：C

第2题：

Which three tasks can be performed using a duplicate database? ()(Choose three.)

A. Testing the backup and recovery procedures

B. Testing the upgrade of an Oracle database to a new release

C. Testing the effect of an application changes on database performance

D. Continuously updating archive log files from the target database to support failover


参考答案：A, B, C

第3题：

______(increase)，new technology is making it easier for us to find alternative methods of testing.


正确答案：
Increasingly[解析] 插入语。

第4题：

If a teacher attempts to implement the top-down model to teach listening, he is likely to present_______

A．new words after playing the tape
B．new words before playing the tape
C．background information after playing the tape
D．background information before playing the tape

答案：D
解析：
考查听力教学模式。“自上而下”模式是一种以听者为基础的听力模式。听者不需要抓住每一个所听到的细节．只需要抓住一些提示，然后根据自身的经验、知识，结合这些提示，从而对所听内容进行猜测和验证，即利用自己先前已有的知识来分析处理所听到的材料。自上而下的理解模式对学生自身的语音系统知识要求不高．但却需要学生掌握一定量的社会规范、文化习俗等背景知识，即运用大脑中存贮的相关背景知识来弥补听力的不足。根据这一理解，教师放录音前提供给学生相关背景知识，以帮助对听力材料的理解。

第5题：

______ of the following need NOT be entered in the Official Logbook？ _______.

A.The testing of the internal combustion engine driven emergency generators at least once each month the vessel is navigated

B.The testing of storage batteries for emergency lighting and power systems once each 6 months the vessel is navigated．

C.The actual draft when the vessel arrives in salt water after departing a port

D.The testing of the line-throwing appliance once every 3 months


正确答案：A

第6题：

Which three tasks can be performed using a duplicate database?()

A. Testing the backup and recovery procedures

B. Testing the upgrade of an Oracle database to a new release

C. Testing the effect of an application changes on database performance

D. Continuously updating archive log files from the target database to support failover


参考答案：A, B, C

第7题：

When installing a new PCIe network card, when should manufacturer software and drivers beinstalled?()

A. Before inserting the PCIe network card in the case

B. After inserting the new PCIe network card in the case

C. They will be automatically loaded after installation

D. Load them concurrently with the PCIe network card


参考答案：A

第8题：

After months of voyage, Columbus arrived in ____ later proved a new continent.

A、 where

B、 which

C、what

D、that


正确答案：C

第9题：

If a teacher attempts to implement the top-down model to teach listening, he/she is likely to present __________.

A．new words after playing the tape
B．new words before playing the tape
C．background information after playing the tape
D．background information before playing the tape

答案：D
解析：
考查听力教学。“自上而下”模式是一种以听者为基础的听力模式。听者不需要抓住每一个细节，只需要抓住一些提示，然后根据自身的经验、知识，结合这些提示，从而对所听内容进行猜测和验证的过程．即利用自己先前已有的知识来分析处理所听到的材料。自上而下的理解模式对学生自身的语音系统知识要求不高．但却需要学生掌握一定量的社会规范、文化习俗等背景知识，即运用大脑中存贮的相关背景知识来弥补语音的不足。故选D。

第10题：

public class X {  public object m （） {   object o = new float （3.14F）；   object oa = new object [1]；   oa[0]= o；   o = null；   return oa[0]；   }   }   When is the float object created in line 3， eligible for garbage collection？（）

  • A、 Just after line 5
  • B、 Just after line 6
  • C、 Just after line 7 （that is， as the method returns）
  • D、 Never in this method.

正确答案:D

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