某网络中DHCP服务器地址为10.0.0.1.MAC地址为00-12-34-56-78-90，可分配IP地址范围为10.0.0.50-10.0.0.100，其中10.0.0.50保留给MAC地址是00-11-22-33-44-55的主机。网络中某客户机从该服务器续约IP地址的过程中，在客户机捕获的2条报文及对第1条报文的分析如下图所示。请补充图中空白处的信息。 编号报文摘要1DHCP：Request，Type：DHCP______2DHCP：Reply，Type：DHCP______ DLC：-----DLC Header----- DLC：Destination =001234567890 DLC：Source =001 122334455 DLC：Ethertype =0800(IP) IP：Destination Address=______，Source Address=______ UDP：Destination Port =67，Source Port =68 DHCP：-----DHCP Header----- DHCP：Boot record type =1(Request) DHCP：Hardware address type =1(10M Ethemet) DHCP：Hardware address length =6 bytes DHCP：Hops =0 DHCP：Transaction id =604D121 F DHCP：Elapsed boot time =0 seconds DHCP：Flags =0000 DHCP：0 =no broadcast DHCP：Client self-assigned address =______ DHCP：Client address =[0.0.0.0] DHCP：Next Server to use in bootstrap=[0.0.0.0] DHCP：Relay Agent =[0.0.0.0] DHCP：Client hardware address =001 122334455 DHCP：Host name =" " DHCP：Boot file name =" " DHCP：Vendor Information tag =53825276 DHCP：Message Type =3 ... ...

A. 服务器中每个虚拟服务器称作域，域由IP地址唯一识别
B. 服务器中匿名用户“anonymous”是由服务器自动添加的
C. 服务器常规选项中，最大用户数指同时在线的用户数量
D. 用户上传/下载率选项是配置用户的上传和下载的速率

A. Router(config)#ip access-list extended WINSQL Router(config-ext-nacl)#deny any any udp eq 1434 Router(config-ext-nael)#deny any any tep eq 4444 Router(config-ext-nacl)#permit ip any any Router(config-ext-nacl)#exit Router(config)#interface g0/3 Router(config-if)#ip access-group WINSQL in Router(config-if)#ip access-group WINSQL out
B. Router(config)#ip access-list standard WINSQL Router(config-std-nacl)#deny udp any any eq 1434 Router(config-std-nacl)#deny tcp any any eq 4444 Router(config-std-nacl)#permit ip any any Router(config-std-nacl)#exit Router(config)#interface g0/3 Router(config-if)#ip access-group WINSQL in Router(config-if)#ip access-group WlNSQL out
C. Router(config)#ip access-list extended WlNSQL Router(config-ext-nacl)#permit ip any any Router(config-ext-nacl)#deny udp eq 1434 any any Router(config-ext-nacl)#deny tcp eq 4444 any any Router(config-ext-nacl)#exit Router(config)#interface g0/3 Router(config-if)#ip access-group WINSQL out
D. Router(config)#ip access-list extended WINSQL Router(config-ext-nacl)#deny udp any any eq 1434 Router(config-ext-nacl)#deny tcp any any eq 4444 Router(config-ext-nacl)#permit ip any any Router(config-ext-nacl)#exit Router(config)#interface g0/3 Router(config-if)#ip access-group WINSQL in Router(config-if)#ip access-group WINSQL out