管理员必须分配静态IP地址,在网络中的服务器。对于网络192.168.20.24/29,路由器分配到的第一个可用的主机地址,而销售服务器提供的最后一个可用的主机地址。以下哪项应订立销售服务器的IP有产者盒子?()A、IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9B、IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1C、IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25D、IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17E、IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25

管理员必须分配静态IP地址,在网络中的服务器。对于网络192.168.20.24/29,路由器分配到的第一个可用的主机地址,而销售服务器提供的最后一个可用的主机地址。以下哪项应订立销售服务器的IP有产者盒子?()

  • A、IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9
  • B、IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1
  • C、IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25
  • D、IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17
  • E、IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25

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在一个基于TCP/IP协议的网络中,每台主机都有一个IP地址,根据获得IP地址方式 的不同,可以分为静态IP和动态lP。例如:用宽带入网,会有一个固定的IP地址,每 次连入Internet,IP都是固定的;而用拨号上网,每次连入Intemet时都从ISP那里获 得一个IP地址且每次获得的可能不同,这是因为DHCP服务器的存在。在Linux中建 立DHCP服务器的配置文件是“dhcpd.conf",每次启动DHCP服务器都要读取该文件。 下面是一个dhcp.conf文件的实例:1 default-lease-time 1200;2 max—lease-time 9200;3 0ption subnet-mask 255.255.255.0;4 0ption broadcast-address 192.171.1.255;5 0ption broadcast-address 192.171.1.254;6 0ption domain-name-serves 192.171.1.1, 192.171.1.2;7 0ptiondomain-name“test.com”;8 subnet 192. 171.1.0 netmask 255.255.255.0:910 range 192. 171.1.20 192. 171.1.200;11 {12 host fixed{13 0ption host-name“abc.test.com”;14 hardware Ethernet 00:A0:78:8E:9E:AA15 fixed-address192. 171.1.22;16 }①该DHCP服务器可分配的IP地址有多少个? 【6】②该DHCP服务器指定的默认网关【7】 、域名【8】 以及指定的DNS服务器分别是什么? 【9】③该配置文件的第12~15行实现什么配置功能?【10】④Windows操作系统下通过什么命令可以知道本地主机当前获得的IP地址?【11】

认真阅读下列说明信息,回答问题1至问题5。[说明]在一个基于TCP/IP协议的网络中,每台主机都有一个IP地址,根据获得IP地址的方式不同,可以分为静态IP和动态IP。例如:用宽带入网,会有一个固定的IP地址,每次连入Internet,你的IP地址都一样。而用拨号上网,每次连入Internet时都能从ISP那里获得一个IP地址且每次所获得的可能不同,这是因为有DHCP服务器的存在。在 Linux中建立DHCP服务器的配置文件是dhcpd.conf,每次启动DHCP服务器都要读取该文件。下面是一个dhcpd.conf文件的实例:1 default-lease-time 1200;2 max-lease-time 9200;3 option subnet-mask 255.255.255.0;4 option broadcast-address 192.168.1.255;5 option routers 192.168.1.254;6 option domain-name-servers 192.168.1.1,192.168.1.2;7 option domain-name "abc.com";8 subnet 192.168.1.0 netmask 255.255.255.09 {10 range 192.168.1.20 192.168.1.200;11 }12 host fixed {13 option host-name "fixed.abc.com";14 hardware ethernet 00:"A0:78:8E:9E:AA;15 fixed-address 192.168.1.22;16 }该DHCP服务器可分配的IP地址有多少个?

某部门网络管理员使用DHCP服务器对公司内部主机的IP地址进行管理,已知:①该公司共有40个可用IP地址为202.112.11.11~202.112.11.50。②DHCP服务器使用Windows2003操作系统,其IP地址为202.112.11.11。③连接该子网络路由器端口的IP地址为202.112.11.12。④DHCP客户端使用WindowsXP操作系统。请回答下列问题:(1) 配置DHCP服务器作用域时,起始IP地址输入“202.112.11.1111.

A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cause of the problem?()A. Default gatewayB. Network cableC. Subnet maskD. CNAME record

You are a systems administrator and you are about to assign static IP addresses to various servers on your network. For the network 192.168.20.24/29 the router is assigned to the first usable host address, while the last usable host address goes to your Sales server. Which one of the following commands would you enter into the IP properties box of the sales server?A.IP address: 192.168.20.14 Subnet Mask: 255.255.255.248 Default Gateway: 192.168.20.9B.IP address: 192.168.20.254 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.20.1C.IP address: 192.168.20.30 Subnet Mask 255.255.255.248 Default Gateway: 192.168.20.25D.IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway: 192.168.20.17E.IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway: 192.168.20.25

网络中采用DHCP服务器动态地为网络中的主机分配IP地址,但对于网络中的一些特殊的主机,如DNS服务器、WINS服务器需要一个固定的IP地址,作为网络管理员,你该如何操作?

【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) 。

In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool?() A. Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.B. A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.C. A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.D. A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.

An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?()A. IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9B. IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1C. IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25D. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17E. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25

管理员必须分配静态IP地址,在网络中的服务器。对于网络192.168.20.24/29,路由器分配到的第一个可用的主机地址,而销售服务器提供的最后一个可用的主机地址。以下哪项应订立销售服务器的IP有产者盒子?() A.IPaddress:192.168.20.14SubnetMask:255.255.255.248DefaultGateway:192.168.20.9B.IPaddress:192.168.20.254SubnetMask:255.255.255.0DefaultGateway:192.168.20.1C.IPaddress:192.168.20.30SubnetMask:255.255.255.248DefaultGateway:192.168.20.25D.IPaddress:192.168.20.30SubnetMask:255.255.255.240DefaultGateway:192.168.20.17E.IPaddress:192.168.20.30SubnetMask:255.255.255.240DefaultGateway:192.168.20.25

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

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

An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?()A、IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9B、IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1C、IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25D、IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17E、IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25

在7300 FENT中执行命令show system ip,以下是结果信息。() ----------------- -------------------- ------------------- device name IP address IP mask ----------------- -------------------- ------------------- Ethernet-PLIM 220.188.126.86 255.255.255.128 ASAM 220.188.126.85 default-gateway 220.188.126.1A、NT的地址B、plim的地址C、网关的地址D、AWS的地址

You are a systems administrator and you are about to assign static IP addresses to various servers on your network. For the network 192.168.20.24/29 the router is assigned to the first usable host address, while the last usable host address goes to your Sales server. Which one of the following commands would you enter into the IP properties box of the sales server?()A、IP address: 192.168.20.14 Subnet Mask: 255.255.255.248 Default Gateway:192.168.20.9B、IP address: 192.168.20.254 Subnet Mask: 255.255.255.0 Default Gateway:192.168.20.1C、IP address: 192.168.20.30 Subnet Mask 255.255.255.248 Default Gateway:192.168.20.25D、IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:192.168.20.17E、IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:192.168.20.25

A customer reports they are unable to connect to any computers outside of the office and they are unable to connect to the Internet. When the technician runs ipconfig, the customer gets the following output: IP address169.254.2.4 Subnet Mask.255.255.0.0 Default Gateway. Which of the following could be causing the issue?()A、The subnet mask is not correctly configured.B、The DNS client has not been configured on the computer.C、The DHCP client is unable to obtain an IP address from the DHCP server.D、The default gateway is not specified

Which two statements are true of a network mask?()A、A subnet mask specifies the portion of an IP address that is in a binary formatB、A subnet mask specifies the portion of an IP address that is in a decimal formatC、A subnet mask specifies the portion of an IP address that represents a network prefixD、A subnet mask specifies the portion of an IP address that represetns network hosts

Which two statements are true of a network mask?()A、A subnet mask specifies the portion of an IP address that is in a binary format.B、A subnet mask specifies the portion of an IP address that is in a decimal format.C、A subnet mask specifies the portion of an IP address that represents a network prefix.D、A subnet mask specifies the portion of an IP address that represents network hosts.

Your company has recently deployed a server that runs Windows Server 2008. The server has the IP information shown below. IP address 192.168.46.186 Subnet mask: 255.255.255.192 Default gateway: 192.168.46.1 Users on remote subnets report that they are unable to connect to the server. You need to ensure all users are able to connect to the server. What should you do? ()A、 Change the IP address to 192.168.46.129B、 Change the IP address to 192.168.46.200C、 Change the subnet mask to a 24-bit maskD、 Change the subnet mask to a 27-bit mask.

A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cause of the problem?()A、Default gatewayB、Network cableC、Subnet maskD、CNAME record

单选题Which two statements are true of a network mask?()AA subnet mask specifies the portion of an IP address that is in a binary formatBA subnet mask specifies the portion of an IP address that is in a decimal formatCA subnet mask specifies the portion of an IP address that represents a network prefixDA subnet mask specifies the portion of an IP address that represetns network hosts

单选题A customer reports they are unable to connect to any computers outside of the office and they are unable to connect to the Internet. When the technician runs ipconfig, the customer gets the following output: IP address169.254.2.4 Subnet Mask.255.255.0.0 Default Gateway. Which of the following could be causing the issue?()AThe subnet mask is not correctly configured.BThe DNS client has not been configured on the computer.CThe DHCP client is unable to obtain an IP address from the DHCP server.DThe default gateway is not specified

单选题An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?()AIP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9BIP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1CIP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25DIP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17EIP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25

单选题Your company has recently deployed a server that runs Windows Server 2008. The server has the IP information shown below. IP address 192.168.46.186 Subnet mask: 255.255.255.192 Default gateway: 192.168.46.1 Users on remote subnets report that they are unable to connect to the server. You need to ensure all users are able to connect to the server. What should you do? ()A Change the IP address to 192.168.46.129B Change the IP address to 192.168.46.200C Change the subnet mask to a 24-bit maskD Change the subnet mask to a 27-bit mask.

多选题Which two statements are true of a network mask?()AA subnet mask specifies the portion of an IP address that is in a binary format.BA subnet mask specifies the portion of an IP address that is in a decimal format.CA subnet mask specifies the portion of an IP address that represents a network prefix.DA subnet mask specifies the portion of an IP address that represents network hosts.

单选题管理员必须分配静态IP地址,在网络中的服务器。对于网络192.168.20.24/29,路由器分配到的第一个可用的主机地址,而销售服务器提供的最后一个可用的主机地址。以下哪项应订立销售服务器的IP有产者盒子?()AIP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9BIP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1CIP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25DIP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17EIP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25

单选题You are a systems administrator and you are about to assign static IP addresses to various servers on your network. For the network 192.168.20.24/29 the router is assigned to the first usable host address, while the last usable host address goes to your Sales server. Which one of the following commands would you enter into the IP properties box of the sales server?()AIP address: 192.168.20.14 Subnet Mask: 255.255.255.248 Default Gateway:192.168.20.9BIP address: 192.168.20.254 Subnet Mask: 255.255.255.0 Default Gateway:192.168.20.1CIP address: 192.168.20.30 Subnet Mask 255.255.255.248 Default Gateway:192.168.20.25DIP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:192.168.20.17EIP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:192.168.20.25