H12-811 practice questions, page 5 of 18, with answer review and explanations.
Question 21
The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments.
True
False
Question 22
Assuming that OSPF has been enabled on all routers in the following figure, which router is the BDR on this network?
Router A
Router B
Router C
Router D
Question 23
Which of the following statements about the functions and packet encapsulation of the ARP protocol is true?
The ARP cache on a network device can be obtained only through the ARP protocol.
The MAC address and UUID of the destination device can be obtained through ARP.
ARP can be deployed on PPP and HDLC links.
ARP packets are encapsulated over Ethernet.
Question 24
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?
Area1 domain
Area2 domain
default domain
default_admin domain
Question 25
IPv6 uses NS and NA packets to perform duplicate address detection (DAD).