Which device creates an OEO conversion? ()

题目
单选题
Which device creates an OEO conversion? ()
A

 amplifier

B

 attenuator

C

 regenerator

D

 light emitter

E

 optical switch

F

 optical receiver

G

 fiber-optic cable

如果没有搜索结果或未解决您的问题,请直接 联系老师 获取答案。
相似问题和答案

第1题:

A typical peripheral device has an address which the processor uses to select the device's internal(74).

A.data

B.controls

C.signals

D.registers


正确答案:D
解析:一个典型的外部设备拥有一个地址,处理器通过它选中设备内部寄存器。

第2题:

Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks?()

  • A、The three required steps in the analog to digital conversion are sampling,encoding,and compression.
  • B、The three required steps in the analog to digital conversion are sampling,quantization,and compression.
  • C、The three required steps in the analog to digital conversion are sampling,quantization,and encoding.
  • D、The output of the sampling process is a pulse code modulation (PCM) signal.
  • E、The output of the sampling process is a pulse amplitude modulation (PAM) signal.

正确答案:C,E

第3题:

A conversion operator which converts the current String instance into raw C-style. string of

type const char*.


正确答案:
 

第4题:

Which statements concerning casting and conversion are true?()  

  • A、Conversion from int to long does not need a cast.
  • B、Conversion from byte to short does not need a cast.
  • C、Conversion from float to long does not need a cast.
  • D、Conversion from short to char does not need a cast.
  • E、Conversion from boolean to int using a cast is not possible.

正确答案:A,B,E

第5题:

What is the reason for running spanning-tree in a Cisco Single-Site Secure Network Foundation Solution?()

  • A、To protect the network in case someone inadvertently creates a physical loop in it
  • B、To ensure that if a device fails another device automatically take over for it
  • C、To allow management of all network devices
  • D、To aggregate logical network groups together at one central point

正确答案:A

第6题:

Which device creates an OEO conversion?()

A. amplifier

B. attenuator

C. regenerator

D. light emitter

E. optical switch

F. optical receiver

G. fiber-optic cable


参考答案:C

第7题:

Which virtualization technology allows multiple physical devices to be combined into a singlelogical device?()

  • A、 device visualization
  • B、 device clustering
  • C、 server visualization
  • D、 network visualization

正确答案:B

第8题:

Which of the following technologies facilitates the conversion of internal private IP addressing toexternal public IP addressing?()

A.DHCP

B.TCP/IP

C.NAT

D.SNMP


参考答案:C

第9题:

Which four are types of functions available in SQL? ()

  • A、string
  • B、character
  • C、integer
  • D、calendar
  • E、numeric
  • F、translation
  • G、date
  • H、conversion

正确答案:B,E,G,H

第10题:

Which device creates an OEO conversion? ()

  • A、 amplifier
  • B、 attenuator
  • C、 regenerator
  • D、 light emitter
  • E、 optical switch
  • F、 optical receiver
  • G、 fiber-optic cable

正确答案:C

更多相关问题