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You have a network that supports VLSM and you need to reduce IP address waste in your point to point WAN links. Which of the masks below would you use?A. /38B. /30C. /27D. /23E. /18F. /32

题目

You have a network that supports VLSM and you need to reduce IP address waste in your point to point WAN links. Which of the masks below would you use?

A. /38

B. /30

C. /27

D. /23

E. /18

F. /32

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1.You look(). What () you () ?A、tire, did…doB、tiring, have…doneC、tired, do…doD、tired, have…been doing

2.How long() you() a member of the club?A.have,,joinedB.have,,beenC.has,,joinedD.has,,been

3.May I take this book out of the reading room? No,you . You read it in here. ( )A. mightn’tB. won’tC. need’tD. mustn’t

4.Your little girl is becoming very rude. You ________ scold her.A.mayB.canC.ought toD.need

更多“You have a network that supports VLSM and you need to reduce IP address waste in your poin ”相关问题

  • 第1题：

    Where ________ you ________?

    A.are/be

    B.have/be

    C.is/be

    D.have/been


    正确答案：D

  • 第2题：

    Merry Christmas, George! Here is a card for ________, with ________ best withes.

    A.you…your

    B.you…our

    C.us…our

    D.us…your


    参考答案：B

  • 第3题：

    配置DHCP服务器IP地址池的地址为193.45.98.0/24，其中193.45.98.10～193.45.98.30用做静态地址分配，正确的配置语句是______。

    A．ip dhcp excluded-address 193.45.98.10.193.45.98.30 network 193.45.98.0 255.255.255.0

    B．ip dhcp excluded-address 193.45.98.10.193.45.98.30 network 193.45.98.0/24

    C．ip dhcp excluded-address 193.45.98.10 193.45.98.30 network 193.45.98.0 0.0.0.255

    D．ip dhcp excluded-address 193.45.98.10 193.45.98.30 network 193.45.98.0 255.255.255.0


    正确答案：D
    解析：本试题中，地址块“193.45.98.0/24”的“/24”是子网掩码255.255.255.0的简化表达形式。在DHCP Pool配置模式下，使用命令networknetwork-number＞[mask|/prefix-length]配置分配给DHCP客户的有效IP地址池的子网地址和子网掩码。其中，子网掩码参数允许以点分十进制数、掩码前缀长度两种形式表达。因此，DHCP服务器IP地址池的地址为193.45.98.0/24的配置语句，如下所示：
      Router (dhcp-config)# network l93.45.98.0 255.255.255.0
      或：
      Router (dhcp-eonfig)# network 193.45.98.0/24
      在全局配置模式“Router(config)#”下，使用命令ip dhcp excluded-address low-address [high-address]将所要保留的IP地址从预定义的IP地址池中排除，使之成为不能动态分配的IP地址。若将IP地址池中 193.45.98.10～193.45.98.30用做静态地址分配，则相关的配置语句如下：
      Router (confiq)#ip dhcp excluded-address 193.45.98.10 193.45.98.30
      本试题选项A、选项B、选项C的配置语句，分别存在不符合以上两条命令的语法格式。

  • 第4题：

    What's ( )job? Are ( ) British?

    A. your, your

    B. you, your

    C. your, you


    正确答案：C

  • 第5题：

    （ ） – Is Miss White __________ English teacher, Maria?

    – No, she teaches __________ geography.

    A．your；my

    B．you；mine

    C．you；us

    D．your；us


    正确答案：D

  • 第6题：

    You look（） What（）you（）?

    Atire；did；do

    Btiring；have；done

    Ctired；do；do

    Dtired；have；been doing


    D
    略

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