[单项选择]How does a DHCP server dynamically assign IP addresses to hosts?（）
A. Addresses are permanently assigned so that the host uses the same address at all times.
B. Addresses are assigned for a fixed period of time. At the end of the period, a new request for an address must be made, and another address is then assigned.
C. Addresses are leased to hosts. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease.
D. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.

[单项选择]How dose a DHCP server dynamically assign IP address to host?（）
A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
B. Addresses are assigned for a fixed period of time.At the end of period,a newquest for an address must be made,and another address is then assigned.
C. Addresses are leased to host.A host will usually keep the same address by periodically contacting the DHCP sever to renew the lease.
D. Addresses are permanently assigned so that the host uses the same address at all times.

[单项选择]Which command will assign the last usable IP address from the 192.168.32.128/28 subnetwork to a router interface?（）
A. TestKingA(config-if)# ip address 192.168.32.142 255.255.255.240
B. TestKingA(config-if)# ip address 192.168.32.143 255.255.255.240
C. TestKingA(config-if)# ip address 192.168.32.158 255.255.255.240
D. TestKingA(config-if)# ip address 192.168.32.145 255.255.255.240
E. TestKingA(config-if)# ip address 192.168.32.144 255.255.255.240

[判断题]DHCP服务器不一定使用静态IP地址，也就是说DHCP服务器的IP地址是不固定的。

[多项选择]Which three IP addresses are valid multicast addresses?（）
A. 169.254.23.59
B. 223.254.255.254
C. 225.1.1.1
D. 227.43.34.2
E. 238.3.3.3
F. 249.1.2.3

[多项选择]Which two are correct when configuring an IP address for a Fast Ethernet interface?（）
A. set interfaces fe-0/0/0 address 10.1.1.1/24
B. set interfaces fe-0/0/0.0 family inet address 10.1.1.1/24
C. set interfaces fe-0/0/0.0 address 10.1.1.1/24
D. set interfaces fe-0/0/0 unit 0 family inet address 10.1.1.1/24

[简答题]DHCP服务器如何为DHCP客户机分配IP地址租约？

[单项选择]Refer to the exhibit. Which rule does the DHCP server use when there is an IP address conflict?（）
A. The address is removed from the pool until the conflict is resolved.
B. The address remains in the pool until the conflict is resolved.
C. Only the IP detected by Gratuitous ARP is removed from the pool.
D. Only the IP detected by Ping is removed from the pool.
E. The IP will be shown, even after the conflict is resolved.

[判断题]DHCP服务器分配给DHCP客户的IP地址是永久性的，客户可无限期使用。

[单项选择]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:192.168.20.9
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

[单项选择] The output of s how ip eigrp topology on Router R1 shows the following output, which is all the output related to subnet 10.11.1.0/24. How many feasible successor routes does R1 have for 10.11.1.0/24?（） P 10.11.1.0/24, 2 successors, FD is 2172419 via 10.1.1.2 (2172423/2 8167), Serial0/0/0.1 via 10.1.1.6 (2172423/28167), Serial0/0/0.2
A. 0
B. 1
C. 2
D. 3

[单项选择]Which color does the router assign to packets received at a datarate that is above the committed rate but is below the peak rate?（）
A. red
B. white
C. green
D. yellow

[多项选择]DHCP Server即DHCP服务器，负责客户端IP地址的分配。在配置DHCP Server时需要以下哪些步骤？（）。
A. 全局使能DHCP功能
B. 配置DHCP的option82选项
C. 采用全局地址池的DHCP服务器模式时，配置全局地址池
D. 采用端口地址池的DHCP服务器模式时，配置端口地址池

[单项选择]在一个局域网中利用DHCP服务器为网络中的所有主机提供动态IP地址分配，DHCP服务器的IP地址为192.168.1.100/24，在服务器上创建一个作用域为192.168.1.0/24并激活它。在DHCP服务器选项中设置003为192.168.1.1，在作用域选项中设置003为192.168.1.2，则网络中租用到IP地址192.168.1.10的DHCP客户端所获得的默认网关地址应为多少？（）
A. 192.168.1.1
B. 192.168.1.2
C. 192.168.1.100
D. 192.168.1.0

[填空题] 在DHCP服务器上为一个DHCP客户机设置IP地址的保留，希望保留的IP地址为：192.168.1.100。该DHCP客户机的名称为：client100，网卡的硬件地址为：AA15DF67BC89。 操作步骤： 步骤1：在“DHCP”管理工具中，右击【保留】，选择（）。  步骤2：在“新建保留”对话框中的【保留名称】中输入：（），在【IP地址】中输入：（），在【MAC地址】中输入：（）。  A.192.168.1.100  B.client100  C.AA15DF67BC89  D.新建保留

[判断题]静态的IP地址和DHCP服务器提供给DHCP客户端的永久租用的IP地址是一种方式。

[多项选择]Which two methods are used to assign an IP address to a WX device? （）(Choose two.)
A. SSH
B. Telnet
C. WebView
D. device front panel
E. serial console (command-line interface)