电子与通信技术

XDSL831B Modem可以通过软件实现router功能。

题目

XDSL831B Modem可以通过软件实现router功能。

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相似问题和答案

第1题:

The user of Host1 wants to ping the DSL modem/router at 192.168.1.254. Based on the Host1 ARP table that is shown in the exhibit, what will Host1 do()。

A.send a unicast ARP packet to the DSL modem/router

B.send unicast ICMP packets to the DSL modem/router

C.send Layer 3 broadcast packets to which the DSL modem/router responds

D.send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router


参考答案:B

第2题:

以下哪些产品能实现软件形态交付?()

  • A、FW
  • B、LB
  • C、UIS
  • D、ROUTER

正确答案:A,B,D

第3题:

检查一台Modem是否真正支持通过软件升级的关键是()

A.modem串口是否标准

B.modem生产厂商是否提供升级信息

C.modem内存是否可擦写

D.modem运算速度是否快


答案:C

第4题:

Which of the following is the proper order for powering off and on network components?()

  • A、Computer> cable modem > router
  • B、Cable modem> router> computer
  • C、Cable modem> computer> router
  • D、Router> cable modem> computer

正确答案:B

第5题:

What is the purpose of configuring the router as a PPPoE client?()

  • A、to provide VPN access over L2TP
  • B、to enable PPP session from the router to the termination device at the headend for metro Ethernet connectivity
  • C、for DSL connectivity and removing the need for the end - user PC to ru n the PPPoE client software
  • D、for connecting the router to a cable modem, which bridges the Ethernet frames from the router to the cable modem termination system

正确答案:C

第6题:

Photoshop软件中除了通过菜单栏相应功能实现反选命令,还可以通过快捷键Ctrl+I实现反选命令


正确答案:正确

第7题:

防火墙的实现()

  • A、只能通过软件来实现
  • B、只能通过硬件来实现
  • C、既可以通过软件实现,也可以通过硬件实现,还可以通过两者结合实现
  • D、必须通过软件和硬件的结合实现

正确答案:A

第8题:

Which of the following is the proper order for powering off and on network components?()

A. Computer> cable modem > router

B. Cable modem> router> computer

C. Cable modem> computer> router

D. Router> cable modem> computer


参考答案:B

第9题:

Which of the following describes the roles of devices in a WAN?()

  • A、A CSU/DSU terminates a digital local loop
  • B、A modem terminates a digital local loop
  • C、A CSU/DSU terminates an analog local loop
  • D、A modem terminates an analog local loop
  • E、A router is commonly consideredaDTEdevice
  • F、A router is commonly considereda DCE device

正确答案:A,D,E

第10题:

实际上,软件和硬件在()上是等效的。由软件实现的功能在原理上可以由硬件/固件实现;由硬件实现的功能在原理上也可以由软件采用()的方法来实现。


正确答案:逻辑功能;模拟

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