多项选择题 图中所示网络运行RIPV2路由选择协议，全网收敛并且所有的路由器运行正常。现在R1的FastEthernet0/0端口，不能正常工作了，则网段内的路由器会作出怎样的回应？（）

单项选择题 A network administrator receives an error message while tring to configure the Ethernet interface of a router with IP address 10.24.24.24/29.which statement explains the reason for this issue?（）

单项选择题 Th efollowing access list below was applied outbound on the E0 interface connected to the 192.169.1.8/29LAN： access-list 135 deny tcp 192.169.1.80.0.0.7 eq 20 any access-list 135 deny tcp 192.169.1.80.0.0.7 e q21 any How will the above access lists affect traffic？（）