Cisco路由器执行show access-list命令显示如下一组信息 Standard IP access list block deny 1

Cisco路由器执行show access-list的命令显示如下一组信息

Standard IP access list block

deny 10.0.0.0，wildcard bits 0.255.255.255 log

deny 172.16.0.0，wildcard bits 0.15.255.255

permit any

根据上述信息，正确的access-list配置是______。

A．Router(config) #access-list standard block Router(config-std-nacl) #deny 10.0.0.0 255.0.0.0 log Router(config-std-nacl) #deny 172.16.0.0 255.240.0.0 Router(config-std-nacl) #permit any

B．Router(config) #ip accesa-list standard block Router(config-std-nacl) #permit any Router(config-std-nacl) #deny 10.0.0.0 0.255.255.255 log Router(config-std-nacl) #deny 172.16.0.0 0.15.255.255

C．Router(config) #ip access-list standard block Router(config-std-nacl) #deny 10.0.0.0 255.0.0.0 log Router(config-std-nacl) #deny 172.16.0.0 255.240.0.0 Router(config-std-nacl) #permit any

D．Router(config) #access-list standard block Router(config-std-nacl) #deny 10.0.0.0 0.255.255.255 log Router(config-std-nacl) #deny 172.16.0.0 0.15.255.255 Router(config-std-nacl) #permit any

Capability codes:R-Router， T-Trans Bridge， B-Source Route Bridge

S-Switch， H-Host， I-IGMP，r-Repeater， P-Phone

Device ID Local Intrfce Holdtme Capability Platform. Port ID

R1 Fas 0/19 135 R S I Cisco 2621 Fas 0/0

A、本地设备主机名称为R1

B、本地设备的F0/19端口与相邻设备的F0/0端口相连

C、相邻设备的主机名称为Cisco 2621

D、相邻设备是一台Cisco 2621路由器

A.show run;

B.show start;

C.show version;

D.show interface。

A.R1（config）#show ip route

B.R1＞show ip route

C.R1＞show ip protocol

D.R1（config）#show ip protocol

A.debug;

B.trace;

C.telnet;

D.show。

A.show vlan

B.show ip

C.show route

D.show ip route

A.show route ip

B.show ip route

C.show ip route all

D.show route ip all

A.show run;

B.show start;

C.show version;

D.show interface。

A.show running-config;

B.show ip protocols;

C.show ip interface;

D.show ip network。

A.ping;

B.trace;

C.telnet;

D.show。