计算机三级综合题.docxVIP

3.某客户机使用DHCP获取IP地址等信息，其获取IP地址过程中捕获的4条报文及对第2条报文分析如下所示。请分析其中的信息，补全内容。编号报文摘要1DHCP:Request, Type:DHCP discover2DHCP:Reply, Type:DHCP 【11】3DHCP:Request, Type:DHCP Request4DHCP:Reply, Type:DHCP ACKDLC: ----- DLC Header -----DLC: Destination = 【12】DLC: Source = 001122334455DLC: Ethertype = 0800 (IP)IP: D = 【13】 ,S = 192.168.0.1 【14】: D= 68,S = 67DHCP: ----- DHCP Header -----DHCP: Boot record type = 2 (Reply)DHCP: Hardware address type = 1 (10M Ethernet)DHCP: Hardware address length = 6 bytesDHCP: Hops = 0DHCP: Transaction id = 6019121FDHCP: Elapsed boot time = 0 secondsDHCP: Flags = 0000DHCP: 0 = no broadcastDHCP: Client self-assigned address = [0.0.0.0]DHCP: Client address =[192.168.0.180]DHCP: Next Server to use in bootstrap = [0.0.0.0]DHCP: Relay Agent = [0.0.0.0] DHCP: Client hardware address = 001234567890DHCP: Host name = DHCP: Boot file name = DHCP: Vendor Information tag =HCP: Message Type = 2DHCP: Address renewel interval = 345600 (seconds)DHCP: Address rebinding interval = 604800 (seconds)DHCP: Request IP Address leased time = 691200 (seconds)DHCP: Sever IP Address = 【15】DHCP: Subnet mask = 255.255.255.0DHCP: Gateway address = [192.168.0.100] DHCP: Domain Name Server address = [202.106.0.100]3.用DHCP服务器对公司内部主机的IP 地址进行管理。在DHCP客户机上执行ipconfig /all得到的部分信息如图(A)所示，该客户机在进行地址续约时捕获的其中1条报文及相关分析如图(B)所示。请分析图中的信息，补全图(B)中的内容。 3.公司使用Windows 2003 DHCP服务器对内部主机的IP 地址进行管理，DHCP服务器的新建作用域及新建保留配置如图（a）和图(b)所示。某DHCP客户机从该DHCP服务器获取IP地址过程中，在客户机捕获的4条报文及对第4条报文的分析如下所示。请补充其中的信息。DHCP: ----- DHCP Header -----DHCP: Boot record type = 2 (Reply）DHCP: Hardware address type = 1 (10M Ethernet）DHCP: Hardware address length = 6 bytesDHCP: Hops = 0DHCP: Transaction id