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管理员在配置DHCP服务器时,则下面哪条命令所配置的租期时间为最短? Ip pool pool1 network 10.10.10.0 mask 255.255.255.0 gateway-list 10.10.10.1
A.dhcp select
B.lease day 1
C.lease 24
D.lease 0
参考答案和解析
B
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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 202.112.7.0 255.255.255.0B.Router(config)#ip dhcp excluded-address 202.112.7.2-10 Router(config)#ip dhcp pool test Router(dhcp-config)#network 202.112.7.0/24C.Router(config)#ip dhcp excluded-address 202.112.7.2-10 Router(config)#ip dhcp pool test Router(dhcp-config)#network 202.112.7.0 0.0.0.255D.Router(config)#ip dhcp excluded-address 202.112.7.2-10 Router(config)#ip dhcp pool test Router(dhcp-config)#network 202.112.7.0 255.255.255.0
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以下哪个命令是配置IP地址池的子网地址和子网掩码的?______。A.ip dhcp excluded-addressB.network address maskC.default-router addressD.ip dhcp pool<name>
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下面是某路由器的 DHCP 配置信息ip dhcp exeluded-address 182.105.246.2 182.105.246.10!ip dhcp pool 246network 182.105.246.0 255.255.255.0default-router 182.105.246.1domain-name pku.edu.cndms-server 182.105.129.26 182.105.129.27 222.112.7.13lease 0.5根据上述信息, DHCP 客户端不可能从服务器获得的 IP 地址是A)182.105.246.5B)182.105.246.11C)182.105.246.192D)182.105.246.254
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( 23 ) 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 至 193.45.98.30 用作静态地址分配,正确的配置语句是A ) ip dhcp excluded-address 193.45.98.10,193.45.98.30network 193.45.98.0 255.255.255.0B ) ip dhcp excluded-address 193.45.98.10,193.45.98.30network 193.45.98.0/24C ) ip dhcp excluded-address 193.45.98.10,193.45.98.30network 193.45.98.0 0.0.0.255D ) ip dhcp excluded-address 193.45.98.10 193.45.98.30network 193.45.98.0 255.255.255.0
考题
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 182.105.246.26 182.105.246.27 222.1A.182.105.246.5B.182.105.246.11C.182.105.246.192D.182.105.246.254
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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 202.112.7.0-255.255.255.0B.Router(config) #ip dhcp excluded-address 202.112.7.2-202.112.7.10 Router(config) #ip dhcp pool test Router(dhcp-config) #network 202.112.7.0/24C.Router(config) #ip dhcp excludeaddress 202.112.7.2-202.112.7.10 Router(config) #ip dhcp pool test Router(dhcp-config) #network 202.112.7.0-0.0.0.255D.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
考题
配置IP地址池的名称采用的命令是______。A.ip dhcp poolB.ip dhcp excluded-addressC.defau
配置IP地址池的名称采用的命令是______。A.ip dhcp pool<name>B.ip dhcp excluded-addressC.default-router addressD.dns-server address
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请在(5)~(10)空白处填写恰当的内容。在Linux系统中使用(5)程序提供DHCP服务,DHCP服务器启动时自动读它的配置文件(6)。DHCP服务器配置文件如下所示:ddns-update-style. interim;ignore client-updates;default-lease-time 86400;max-lease-time 129600;subnet 192.168.0.0 netmask 255.255.255.0 {option routers 192.168.0.1;option subnet-mask 255.255.255.0;option broadcast-address 192.168.0.255;option domain-name-servers61.233.9.9, 202.96.133.134;range 192.168.0.10 192.168.0.250;}根据这个文件中的内容,该DHCP服务的默认租期是(7)天,DHCP客户机能获得的IP地址范围是;从(8)到(9);获得的DNS服务器IP地址为(10)。
考题
假设要动态分配的地址段是:192.168.0.1/24—192.168.0.254/24,路由器网关地址:192.168.0.1。请填写以下Cisco路由器配置DHCP命令的描述。ip dhcp excluded—address 192.168.0.1 192.168.0.50 (1)ip dhcp pool test (2)network 192.168.0.0 255.255.255.0 (3)default—router 192.168.0.1 (4)dns—server***,***,***,*** (5)
考题
【问题3】(10分)在Linux 系统中配置DHCP服务器,该服务器配置文件的部分内容如下:subnet 192.168.1.0 netmask 255.255.255.0 {option routers 192.168.1.254;option subnet-mask 255.255.255.0;option broadcast-address 192.168.1.255;option domain-name-servers 192.168.1.3;range 192.168.1.100 192.168.1.200;default-lease-time 21600;max-lease-time 43200;host webserver {hardware ethernet 52:54:AB:34:5B:09;fixed-address 192.168.1.100;}}在主机webserver 上运行ifconfig命令时显示如下,根据DHCP配置,填写空格中缺少的内容。该网段的网关IP地址为 (7) ,域名服务器 IP地址为 (8) 。
考题
试题三(共15分)阅读以下说明,回答问题1至问题3,将解答填入答题纸对应的解答栏内。【说明】在大型网络中,通常采用DHCP完成基本网络配置会更有效率。【问题1】(1分)在Linux 系统中,DHCP服务默认的配置文件为 (1) 。(1)备选答案:A. /etc/dhcpd.conf B. /etc/dhcpd.configC. /etc/dhcp.conf D. /etc/dhcp.config【问题2】 (共4分)管理员可以在命令行通过 (2) 命令启动 DHCP服务;通过 (3) 命令停止DHCP服务。(2) 、(3)备选答案:A. service dhcpd start B. service dhcpd upC. service dhcpd stop D. service dhcpd down【问题3】(10分)在Linux 系统中配置DHCP服务器,该服务器配置文件的部分内容如下:subnet 192.168.1.0 netmask 255.255.255.0 {option routers 192.168.1.254;option subnet-mask 255.255.255.0;option broadcast-address 192.168.1.255;option domain-name-servers 192.168.1.3;range 192.168.1.100 192.168.1.200;default-lease-time 21600;max-lease-time 43200;host webserver {hardware ethernet 52:54:AB:34:5B:09;fixed-address 192.168.1.100;}}在主机webserver 上运行ifconfig命令时显示如下,根据DHCP配置,填写空格中缺少的内容。该网段的网关IP地址为 (7) ,域名服务器 IP地址为 (8) 。
考题
ABGProuterisconfiguredasshownbelow:interfaceethernet0ipaddress10.10.10.1255.255.0.0!intserial0ipaddress172.16.1.1255.255.255.252!routerbgp65001neighbor192.168.1.1remote-as65002Basedontheaboveconfiguration,whichofthefollowingBGPstatementswouldinjectthe10.10.0.0/16prefixintotheBGProutingtable?()A.network10.0.0.0B.network10.10.0.0mask255.255.0.0C.network10.10.10.1mask255.255.255.255D.network10.10.10.0mask255.255.255.0E.network10.0.0.0mask255.255.0.0
考题
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 193.45.98.0 255.255.255.0B.ip dhcp excluded-address 193.45.98.10.193.45.98.30 network 193.45.98.0/24C.ip dhcp excluded-address 193.45.98.10 193.45.98.30 network 193.45.98.0 0.0.0.255D.ip dhcp excluded-address 193.45.98.10 193.45.98.30 network 193.45.98.0 255.255.255.0
考题
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至193.45.98.30用作静态地址分配,正确的配置语句是A.ip dhcp excluded-address 193.45.98.10,193.45.98.30 network 193.45.98.0 255.255.255.0B.ip dhcp excluded-address 193.45.98.10,193.45.98.30 network 193.45.98.0 /24C.ip dhcp excluded-address 193.45.98.10 193.45.98.30 network 193.45.98.0 0.0.0.255D.ip dhcp excluded-address 193.45.98.10 193.45.98.30 network 193.45.98.0 255.255.255.0
考题
管理员在交换机设置某条指令的时候,出现下述错误,
Error:The network section should be within the subnet of the pool.
则最可能执行的指令是( )
A.[Huawei-ip-pool-x]network 192.168.1.1 mask 24
[Huawei-ip-pool-x]gateway-list 192.168.2.2
B.[Huawei-ip-pool-x]network 192.168.1.1 mask 24
[Huawei-ip-pool-x]dns-list 192.168.2.2
C.[Huawei-ip-pool-x]network 192.168.1.1 mask 24
[Huawei-ip-pool-x]lease day 1000
D.[Huawei-ip-pool-x]network 192.168.1.1 mask 24
[Huawei-ip-pool-x]next-server 192.168.2.2
考题
Linux DHCP服务器中DHCP配置文件的相关配置项,如下所示。subnet 192.168.1.0 netmask255.255.255.0{range 192.168.1.10 192.168.1.200;default-lease-time 7200;max-lease-time 14400;option subnet-mask 255.255.255.0;option routers 192.168.1.1;option domain-name "myuniversity.edu.cn";option broadcast-address 192.168.1.255;option domain-name-servers 218.30.19.20,61.134.1.4;}DHCP配置的默认租约时间的长度为( );DHCP配置的DNS域名服务器地址为(请作答此空)。A.192.168.1.10
B.218.30.19.2
C.192.168.1.255
D.61.134.1.4
考题
阅读下列说明,一回答问题1至问题2,将解答填入答题纸的对应栏内。【说明】图4-1是某学校的的网络拓扑图,运营商分配的公网IP地址为113.201.60.1/29,运营商的网关地址为 113.201.60.1,内部用户通过路由器代理代理上网,代理地址为113.201.60.2.核心交换机配置基于全局的DHCP服务,为办公楼和宿舍楼用户提供DHCP服务。内部网络划分为3个Vlan,其中vlan 10的地 址是10.0.10.1/24,vlan20的地址是10.0.20.1/24,vlan 30的地址是10.0.30.1/24.结合案例,回答下列问题。
问题一;路由器的配置片段如下,根据图4- 1,补齐(1) ~(6) 空缺 的命令system-view Huawei] sysname( 1)
[Router] interface( 2 )
[Router-GigabitEthernet1/0/0] ip address(3)
[Router-GigabitEthernet1/0/0] quit
[Router] ip route-static 0.0.0.0 0.0.0.0( 4 )
[Router-acI-basic-2000]
[Router-acI-basic-2000] rule 5 permit source 10.0.0.0( 5 )
[Router-acl-basic-2000] quit
[Router] interface GigabitEthernet1/0/0
[Router-GigabitEthernet1/0/0] nat outbound(6 )
[Router-GigabitEthernet1/0/0] quit
……
其他配置略
问题二:核心交换机的配置片段如下,根据图 4-1,补齐 (7)~(10) 空缺的命令。#配置GE0/0/2接口加入VLAN20,并配置对应VLAN接口地址
[Switch]vlan batch 20[Switch]interface GigabitEthernet0/0/2[Switch-GigabitEthernet0/0/2]port link-type( 7 )[Switch-GigabitEthernet0/0/2]port hybrid pvid vlan20[Switch-GigabitEthernet0/0/2]port hybrid untagged vlan20[Switch-GigabitEthernet0/0/2]quit[Switch] interface vlanif 20[Switch-Vlanif20] ip address( 8 )[Switch-Vlanif20]Quit.......其他配置略
#配置DHCP服务,租期3天
[Switch] dhcp(9 )
[Switch] ip pool pool1
[Switch-ip-pool-pool1] network 10.0.20.0 mask 225.225.255.0
[Switch-ip-pool-pool1] dns-list 10.010.2
[Switch-ip-pool-pool1] gateway-list 10.0.20.1
[Switch-ip-pool-pool1] lesae day( 10 )
[Switch-ip-pool-pool1] quit
[Switch] interface vlanif 20
[Switch-Vlanif20] dhcp select global
[Switch-Vlanif20] quit
......
其他配置略
考题
Linux DHCP服务器中DHCP配置文件的相关配置项,如下所示。subnet 192.168.1.0 netmask255.255.255.0{range 192.168.1.10 192.168.1.200;default-lease-time 7200;max-lease-time 14400;option subnet-mask 255.255.255.0;option routers 192.168.1.1;option domain-name "myuniversity.edu.cn";option broadcast-address 192.168.1.255;option domain-name-servers 218.30.19.20,61.134.1.4;}DHCP配置的默认租约时间的长度为(请作答此空);DHCP配置的DNS域名服务器地址为( )。A.1小时
B.2小时
C.3小时
D.4小时
考题
管理员在Router上进行了如下配置,完成之后,在该路由器的G1/0/0接口下连接了一台交换机,则关于此主机的IP地址描述正确的是( )。[Router]ip pool pool1[Router-ip-pool-pool1]network 10.10.10.0 mask 255.255.255.0[Router-ip-pool-pool1]gateway-list 10.10.10.1[Router-ip-pool-pool1]quit[Router]ip pool pool2[Router-ip-pool-pool2]network 10.20.20.0 mask 255.255.255.0[Router-ip-pool-pool2]gateway-list 10.20.20.1[Router-ip-pool-pool2]quit[Router]interface GigabitEthernet 1/0/0[Router-GigabitEthernet 1/0/0]ip address 10.10.10.1.24[Router-GigabitEthernet 1/0/0]dhcp select globalA.获取的IP地址属于10.10.10.0/24网络
B.获取的IP地址属于10.20.20.0/24网络
C.主机获取不到IP地址
D.获取的IP地址可能属于10.10.10.0/24网络,也可能属于10.20.20.0/24网络
考题
管理员在Router上进行了如下配置,完成之后,在该路由器的G1/0/0接口下连接了一台交换机,则关于此主机的IP地址描述正确的是( )。[Router]ip pool pool1[Router-ip-pool-pool1]network 10.10.10.0 mask 255.255.255.0[Router-ip-pool-pool1]gateway-list 10.10.10.1[Router-ip-pool-pool1]quit[Router]ip pool pool2[Router-ip-pooA.获取的IP地址属于10.10.10.0/24网络
B.获取的IP地址属于10.20.20.0/24网络
C.主机获取不到IP地址
D.获取的IP地址可能属于10.10.10.0/24网络,也可能属于10.20.20.0/24网络
考题
服务器IP为10.55.1.148,mask 255.255.255.0,getway10.55.1.1,客户端IP为10.55.33.18,mask 255.255.255.0,getway10.55.33.1,此时在客户端访问服务器配置本地IP正确的是().A、IP10.55.1.200,mask 255.255.255.0,getway10.55.1.1B、IP10.55.1.200,mask 255.255.255.0C、IP10.55.33.200,mask 255.255.255.0,getway10.55.33.1D、IP10.55.33.200,mask 255.255.255.0
考题
在路由器上执行如下配置命令:[Router]dhcpenable[Router]serverforbidden-ip192.168.1.10[Router]serverforbidden-ip192.168.1.254[Router]dhcpserverip-pool0[Router-dhcp-pool-0]network192.168.1.0mask255.255.255.0[Router-dhcp-pool-0]gateway-list192.168.1.254[Router-dhcp-pool-0]dns-list192.168.1.10[Router-dhcp-pool-0]expiredday5完成以上配置后,如下哪些说法是正确的?()A、路由器具有DHCP中继功能B、路由器可以分配给主机的地址有252个C、路由器具有DHCP服务器功能D、主机通过DHCP服务能够从路由器获得DNS服务器地址192.168.1.10
考题
A BGP router is configured as shown below: interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002 Based on the above configuration, which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table?()A、network 10.0.0.0B、network 10.10.0.0 mask 255.255.0.0C、network 10.10.10.1 mask 255.255.255.255D、network 10.10.10.0 mask 255.255.255.0E、network 10.0.0.0 mask 255.255.0.0
考题
在路由器RTA上启用DHCP后,需要设定地址池的地址范围为192.168.1.0/24,给主机分配的默认网关地址是192.168.1.254。下列哪些配置能够满足这些要求?()。A、[Router]dhcpserverip-pool0B、[Router-dhcp-pool-0]network192.168.1.0mask255.255.255.0C、[Router-dhcp-pool-0]gateway-list192.168.1.254D、[Router-dhcp-pool-0]dns-list192.168.1.10
考题
单选题A BGP router is configured as shown below: interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002 Based on the above configuration, which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table?()A
network 10.0.0.0B
network 10.10.0.0 mask 255.255.0.0C
network 10.10.10.1 mask 255.255.255.255D
network 10.10.10.0 mask 255.255.255.0E
network 10.0.0.0 mask 255.255.0.0
考题
单选题配置DHCP服务器IP地址池的地址为193.45.98.0/24,其中,193.45.98.10至193.45.98.30用作静态地址分配,正确的配置语句是( )。A
ip dhcp excluded-address 193.45.98.10,193.45.98.30Network 193.45.98.0 255.255.255.0B
ip dhcp excluded-address 193.45.98.10 193.45.98.30Network 193.45.98.0/24C
ip dhcp excluded-address 193.45.98.10 193.45.98.30Network 193.45.98.0 0.0.0.255D
ip dhcp excluded-address 193.45.98.10 193.45.98.30Network 193.45.98.0 255.255.255.0
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