A screening router can perform. packet filtering based upon what data?()
A.Translated source destination addresses
B.Inverse address resolution
C.Source and destination port number
D.Source and destination addresses and application data
A.Translated source destination addresses
B.Inverse address resolution
C.Source and destination port number
D.Source and destination addresses and application data
A.Lowest configured priority value
B.Highest configured priority value
C.Lowest router ID
D.Highest router ID
A.路由器优先选取Loopback接口上数值最高的IP地址作为Router ID
B.路由器优先选取物理接口上数值最高的IP地址作为Router ID
C.在设备没有配置Loopback接口时,优先选取物理接口上数值最高的IP地址作为Router ID
D.在设备没有配置Loopback接口时,优先选取物理接口上数值最低的IP地址作为Router ID
A.A circuit-level gateway
B.An application-level gateway
C.A proxy server
D.A choke router
A.最大的接口IP地址
B.最小的接口IP地址
C.任意选择一个
D.loopback接口IP地址
A.E-mail messages
B.Router tables
C.Database information
D.DNS server records
A.show router ospf neighbor
B.shwo router ospf interface
C.show router ospf
D.show router interface
A.停滞于ExStart状态表明邻居路由器之间的MTU不匹配或OSPF RID(Router ID)重复
B.对于以太网链路上的非DR/BDR路由器来说。停滞于2-way状态是可以接受的
C.停滞于Init状态表明路由器收到了邻居的Hello报文,但Hello报文中没有包含接收路由器的OSPF RID(Router ID)
D.停滞于Attempt状态表明路由器没有向已配置的邻居发送单播Hello报文