移动联通网络知识考试

B8018支持以下哪几种AEM单元()。A、NCDU(New Combiner Distribution Unit)B、NCEU(New Combiner Extension Unit)C、NCEN(New Combiner Extension Net Unit)D、NMCDU(New“M” Type Combiner Distribution Unit)

题目

B8018支持以下哪几种AEM单元()。

  • A、NCDU(New Combiner Distribution Unit)
  • B、NCEU(New Combiner Extension Unit)
  • C、NCEN(New Combiner Extension Net Unit)
  • D、NMCDU(New“M” Type Combiner Distribution Unit)
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相似问题和答案

第1题:

通过使用WBC单元,可以配置成哪几种合路方式()。

A.By-pass

B.Two way

C.Four way

D.RTC combiner


参考答案:B, C

第2题:

基站EIRP的计算公式为()

  • A、BTS max. transmit power -BTS combiner and jumper loss -BTS feeder and connector loss + BTS antenna gain
  • B、BTS max. transmit power -BTS combiner and jumper loss
  • C、BTS combiner and jumper loss -BTS feeder and connector loss
  • D、以上都不对

正确答案:A

第3题:

关于Combiner组件,下面说法错误的是()。

A、Combiner组件的引入可减少MapTask输出数据量(磁盘IO)

B、Combiner组件的引入可减少Reduce-Map网络传输数据量(网络IO)

C、Combiner组件可看作是localreducer

D、任何数据处理应用都可以用Combiner组件


答案:D

第4题:

COMBINER(组合器)分哪两类?


正确答案: ①混合型功率合成器(H-COMB),②滤波型功率合成器(F-COMB)

第5题:

A technician installs a new video card in a desktop with onboard video. The technician boots the unit but sees no display. The monitor power light is on and the OS seems to be loading. Which ofthe following is the MOST likely cause?()

  • A、The display is defective.
  • B、The video card needs to be flashed.
  • C、The internal adapter has not been disabled.
  • D、The new video card is defective.

正确答案:C

第6题:

______ means a unit in which goods are totally enclosed by sufficient strong boundaries such as a freight container, a tank or a vehicle unit with fabric sides or tops.

A.UNIT

B.CONTAINER

C.VEHICLE

D.CLOSED TYPE UNIT


正确答案:D
密闭式单元的意思是货物全部密闭,通过足够强的边界,像集装箱、货舱或车辆单位用纤维绳在边端或顶端的单元。

第7题:

某程序将计算结果输出到一个有格式顺序文件中,文件名为AA.DAT,设备通道号为3,打开这个文件的语句是:()

  • A、OPEN(UNIT=3,FILE=AA.DAT,STATUS=NEW)
  • B、B.OPEN(UNIT=3,FILE=ADAT,STATUS=OLD.
  • C、C.OPEN(3,FILE=′ADAT′,STATUS=′NEW′)
  • D、D.OPEN(D,FILE=′ADAT′,STATUS=′OLD′)

正确答案:C

第8题:

Which of the following will begin a new unit of work?()

A.The CONNECT statement

B.The first FETCH of a cursor

C.The BEGIN TRANSACTION statement

D.The first executable SQL statement


参考答案:D

第9题:

通过使用WBC单元,可以配置成哪几种合路方式()。

  • A、By-pass
  • B、Two way
  • C、Four way
  • D、RTC combiner

正确答案:B,C

第10题:

Which of the following will begin a new unit of work?()

  • A、The CONNECT statement
  • B、The first FETCH of a cursor
  • C、The BEGIN TRANSACTION statement
  • D、The first executable SQL statement

正确答案:D

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