From a security perspective, router A refuses to receive OSPF packets. ICMP packets received from the cO/0 /1 interface. Which of the following commands can achieve this requirement? ()
When the router forwards a data packet, if it does not match the corresponding detailed route and there is no default route, it will directly discard the data packet ()
An authenticator router has been configured with two domains named "Area1" and "Area2", following which a user is created with the username "huawei" and the password "hello" for authentication. Which domain does this user belong to?