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Which CLI command enables the DHCP External Server function on an E-series router?()A. service dhcp-externalB. set dhcp external serverC. set dhcp-external serverD. dhcp external server

题目
Which CLI command enables the DHCP External Server function on an E-series router?()

A. service dhcp-external

B. set dhcp external server

C. set dhcp-external server

D. dhcp external server


相似考题

1.在Cisco路由器上建立一个名为zw246的DHCP地址池,地址池的IP地址是176.115.246.0/24,其中不用于动态分配的地址有176.115.246.2~176.115.246.10,缺省网关为176.115.246.1,域名为tj.edu.cn,域名服务器地址为176.115.129.26,地址租用时间设定为6小时30分钟。下列DHCP地址池的配置,正确的是A)Router (config)#ip dhcp pool zw246Router (dhcp-config)#ip dhcp excluded-address 176.115.246.2 176.115.246.10Router (dhcp-config)#network 176.115.246.0 255.255.255.0Router (dhcp-config)#default-router 176.115.246.1Router (dhcp-config)#domain-name tj.edu.cnRouter (dhcp-config)#dns-server address 176.115.129.26Router (dhcp-config)#lease 0 6 30B)Router (config)#ip dhcp excluded-address 176.115.246.2-10Router (config)#ip dhcp pool zw246Router (dhcp-config)#network 176.115.246.0 255.255.255.0Router (dhcp-config)#default-router 176.115.246.1Router (dhcp-config)#domain-name tj.edu.cnRouter (dhcp-config)#dns-server address 176.115.129.26Router (dhcp-config)#lease 0 6 30C)Router (config)#ip dhcp excluded-address 176.115.246.2 176.115.246.10Router (config)#ip dhcp pool zw246Router (dhcp-config)#network 176.115.246.0 255.255.255.0Router (dhcp-config)#default-router 176.115.246.1Router (dhcp-config)#domain-name tj.edu.cnRouter (dhcp-config)#dns-server address 176.115.129.26Router (dhcp-config)#lease 0 6 30D)Router (config)#ip dhcp excluded-address 176.115.246.2 176.115.246.10Router (config)#ip dhcp pool zw246Router (dhcp-config)#network 176.115.246.0 255.255.255.0Router (dhcp-config)#default-router 176.115.246.1Router (dhcp-config)#domain-name tj.edu.cnRouter (dhcp-config)#dns-server address 176.115.129.26Router (dhcp-config)#lease 30 6 0

更多“Which CLI command enables the DHCP External Server function on an E-series router?() ”相关问题
  • 第1题:

    下面是某路由器的DHCP配置信息: ip dhcp excluded-address 182.105.246.2 182.105.246.10 ! ip dhcP Pool 246 network 182.105.246.0 255.255.255.0 default-router 182.105.246.1 domain-name pku.edu.cn dns-server 182.105.246.26 182.105.246.27 222.1

    A.182.105.246.5

    B.182.105.246.11

    C.182.105.246.192

    D.182.105.246.254


    正确答案:A
    解析:在DHCP Pool配置模式下,使用命令“networknetwork-number>[mask|/refLx-len.gth]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两种形式表达,一种形式常见的点分十进制数表达形式(如255.255.255.0),另一种形式是给出掩码前缀的长度,即掩码位为“1”.的个数,如“255.255.255.0'’可以写成“/24"。本试题中,配置命令“networkl82.105.246.0 255.255.255.0”表示DHCP客户端可以从服务器获得的IP地址范围为182.105.246.1-182.105.246.254。
    在全局配置模式“Router(config)#”下,使用“ip dhcp excluded-address low-address [high-address]”命令将所要保留的p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p地址。在本试题中,。配置命令“ip dhcp excluded-address 182.105.246.2 182.105.246.10”表示,在地址块182.105.246.2~ 182.105.246.10范围之内的IP地址被DHCP服务器保留,不能分配给DHCP客户端。换言之,DHCP客户端不可能从服务器获得182.105.246.2-182.105.246.10之间的任一IP地址,例如182.105.246.5。

  • 第2题:

    在Cisc0路由器上建立-个名为zw246的DHCP地址池,地址池的IP地址是176.115.246.0/24,其中不用于动态分配的地址有176.115.246.2-176.115.246.10,缺省网关为l76.115.246.1,域名为tj.edu.en,域名服务器地址为l76.115.129.26,地址租用时间设定为6小时30分钟。下列DHCP地址池的配置,正确的是( )。

    A.Router(config)#ip dhcp pool zw246Router(dhcp-eonfig)#ip dhep excluded-address l76.1 15.246.2 176.1 15.246.10Router(dhcp-eonfig)#network l76.115.246.0 255.255.255.0Router(dhcp-config)#default-router l76.115.246.1Router(dhcp-config)#domain-name tj.edu.enRouter(dhcp-config)#dns-server address 176.1 15.129.26Router(dhcp-config)#lease 0 6 30

    B.Router(config)#ip dhcp excluded-address 176.115.246.2-10Router(config)#ip dhcp pool zw246Router(dhcp-config)#network l76.1 15.246.0 255.255.255.0Router(dhcp-config)#default-router l76.115.246.1Router(dhcp-config)#domain-name tj.edu.caRouter(dhcp-config)#dns-server address l76.115.129.26Router(dhcp-config)#lease 0 6 30

    C.Router(config)#ip dhcp excluded-address l76.115.246.2 176.115.246.10Router(config)#ip dhcp pool zw246Router(dhcp-config)#network 176.115.246.0 255.255.255.0Router(dhcp-config)#default-muter l76.115.246.1Router(dhcp-config)#domain -name tj.edu.anRouter(dhcp-config)#dns-server address 176.115.129.26Router(dhcp-config)#lease 0 6 30

    D.Router(config)#ip dhcp excluded-address 176.1 15.246.2 176.1 15.246.10Router(config)#ip dhcp pool zw246Router(dhcp-config)#network 176.1 15.246.0 255.255.255.0Router(dhcp-config)#default-router 176.1 15.246.1Router(dhcp-config)#domain-name tj.edu.cnRouter(dhcp-config)#dns-server address 176.115.129.26Router(dhcp-config)#lease 30 6 0


    正确答案:C
    Cisco路由器DHCP地址池的配置:步骤一:首先排除不用于动态分配的地址(config)#ipdhcpexcluded-address176.115.246.2176.115.246.10步骤二:配置一个名为zw246的DHCP地址池(config)#ipdhcppoolzw246步骤三:配置IP地址池的子网地址和子网掩码(dhcpoconfig)#network176.115.246.0255.255.255.0步骤四:配置缺省网关(dhepocontig)#defaultorouterl76.115.246.1步骤五:配置IP地址池的域名(dhcpoconfig)#do-mainoNametj.edu.cn步骤六:配置域名服务器的IP地址(dhcpoconofig)#dnsoserveraddress176.115.129.26步骤七:配置租借期为6小时30分钟(dhcp-con.fig)#lease0630,格式为:lease天数小时数分钟数因此C选项正确。

  • 第3题:

    在某台Cisco路由器中定义一个名为test的DHCP地址池(192.168.3.0/26),并保留192.168.3.62/29的IP地址。下列正确的配置语句是(29)。

    A.Router(config)#ip dhcp pooltest Router(dhcp-config)#network 192.168.3.00.0.0.63 Router(dhcp-config)#ip dhcp excluded-address192.168.3.62

    B.Router(config)#ip dhcp poo1 test Router(dhcp-config)#network 192.168.3.0255.255.255.192 Router(dhcp-config)#ip dhcp excluded-address 192.168.3.62255.255.255.248

    C.Router(config)#ip dhcp poo1 test Router(dhcp-config)#network 192.168.3.0/26 Router(dhcp-config)#ip dhcp excluded-address 192.168.3.62/29

    D.Router(config)#ip dhcp excluded-address 192.168.3.56192.168.3.62 Router(config)#ip dhcp pool test Router(dhcp-config)#network 192.168.3.0/26


    正确答案:D
    解析:子网地址是DHCP服务器可以分配给DHCP客户的有效IP地址范围。在DHCP Pool配置模式下,使用命令“networknetwork-number>[mask|/prefix-length]”配置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两种形式表达,一种形式常见的点分十进制数表达形式(如 255.255.255.192),另一种形式是给出掩码前缀的长度,即掩码位为“1”的个数,如“255.255.255.192”可以写成“/26”。本试题中,配置DHCP地址池192.168.3.0/26的语句如下:
      Router(dhcp-config)#network192.168.3.0255.255.255.192
      或Router(dhcp-contig)#network192.168.3.0/26
      可以在全局配置模式“Router(config)#”下,使用“ip dhcp excluded-address low-address[high-address]”命令将要保留的地址从IP地址池中排除,使之成为不能动态分配的地址。本试题中,需要排除的IP地址范围是192.168.3.62/29。其中,“/29”是子网掩码255.255.255.248的前缀的长度。由于IP地址192.168.3.62的二进制表示是“1100 0000 1010 1000 0000 0011 1110”,其中阴影部分是子网掩码覆盖的比特范围,因此192.168.3.62/29所表达的IP地址范围是192.168.3.56-192.168.3.63。再由于192.168.3.63是 192.168.3.0/26网段的直接广播地址,需要排除,因此保留IP地址范围192.168.3.62/29的配置语句如下:
      Router(config)#ip dhcp excluded-adclress 192.168.3.56 192.168.3.62
      本试题选项A的“ip dhcp excluded-address192.168.3.62”仅排除单个IP地址192.168.3.62。选项B和选项C保留IP地址配置命令所在的配置模式有误,且不允许出现选项B的“ip dhcp exclude_address192.168.3.62 255.255.255.248”和选项C的“ip dhcp excluded-address 192.168.3.62/29”等带有子网掩码的格式。

  • 第4题:

    在路由器上建立一个名为test的DHCP地址池,并为其分配IP地址202.112.7.0/24,子网地址中的202.112.7.2~202.112.7.10作为静态地址分配,正确的DHCP配置是______。

    A.Router(config) #ip dhcp pool test Router(config) #ip dhcp excluded-address 202.112.7.2-10 Router(dhcp-config) #network 202.112.7.0-255.255.255.0

    B.Router(config) #ip dhcp excluded-address 202.112.7.2-202.112.7.10 Router(config) #ip dhcp pool test Router(dhcp-config) #network 202.112.7.0/24

    C.Router(config) #ip dhcp exclude&address 202.112.7.2-202.112.7.10 Router(config) #ip dhcp pool test Router(dhcp-config) #network 202.112.7.0-0.0.0.255

    D.Router(config) #ip dhcp excluded-address 202.112.7.2-202.112.7.10 Router(config) #ip dhcp pool test Router(dhcp-config) #network 202.112.7.0-255.255.255.0


    正确答案:D
    解析:静态地址分配Router(config) #ip dhcp excluded-address 202.112.7.2 202.112.7.10
      配置IP地址池的域名Router(config) #ip dhcp pool test
      为test的DHCP地址池分配IP地址Router(dhcp-config) #network202.112.7.0 255.255.255.0

  • 第5题:

    根据网络拓扑和要求说明,完成(或解释)路由器R1 的配置:

    R1#config

    R1(config)# interface FastEthernet 0/1

    R1(config-if)#ip address (1) (2)

    R1(config-if)#no shutdown

    R1(config-if)#exit

    R1(config)#ip dhcp pool vlan 3

    R1(dhcp-config)#network 192.168.3.0 255.255.255.0

    R1(dhcp-config)#default-router 192.168.3.254 255.255.255.0 ; (3)

    R1(dhcp-config)#dns-server 192.168.2.1 ; (4)

    R1(dhcp-config)#lease 0 8 0 ; (5)

    R1(dhcp-config)#exit

    R1(config)#ip dhcp pool vlan 4

    R1(dhcp-config)#network (6) (7)

    R1(dhcp-config)#default-router 192.168.4.254 255.255.255.0

    R1(dhcp-config)#dns-server 192.168.2.1

    R1(dhcp-config)#lease 0 8 0

    R1(dhcp-config)#exit

    R1(config)#ip dhcp excluded-address (8) (9)

    R1(config)#ip dhcp excluded-address 192.168.3.254

    //排除掉不能分配的IP 地址

    R1(config)#ip dhcp excluded-address 192.168.4.254

    R1(config)# (10) 192.168.3.0 255.255.255.0 FastEthernet0/1

    //在以太网接口和VLAN3 间建立一条静态路由


    本题答案:(1)192.168.1.1
    (2)255.255.255.0
    (3)设置部门2 网关为192.168.3.254
    (4)设置部门2DNS 服务器地址为192.168.2. 1
    (5)设置DHCP 租期为8 小时、
    (6)192.168.4.0
    (7)255.255.255.0
    (8)192.168.3.1
    (9)192.168.3.10
    (10)ip route

  • 第6题:

    下列哪条命令可让网络管理员检查分配给特定 MAC 地址的 IP 地址?

    A.Router# show ip dhcp binding

    B.Router# show ip dhcp pool

    C.Router# show ip dhcp server statistics

    D.Router# show running-config I section_dhcp


    Router# show ip dhcp binding