Question 151
Which parameter is used in the spanning tree protocol for root bridge election? ()
Question 152
Telnet is based on TCP protocol.
Question 153
In the network as shown in the figure, the administrator hopes that all hosts cannot access the Web service (the port number is 80). Other services can be accessed normally. Then, in the interface configuration of G0/0/1, traffic-filWhich ACL rule needs to be bound to ter outbound? ()
Question 154
Basic ACL number value range ().
Question 155
The role of the OSPF protocol is