Which of the following statements is true?
The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments.
Assuming that OSPF has been enabled on all routers in the following figure, which router is the BDR on this network?
Which of the following statements about the functions and packet encapsulation of the ARP protocol is true?
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?
During STP calculation, the port cost is associated with the port bandwidth by default. Which of the following statements about the relationship between port cost and port bandwidth is true?