The international organization responsible for allocating IP addresses has divided some private network segments, which can be flexibly allocated to private network users. Which of the following is not a private network segment?

(single) For the GPON line, the MA5600T/MA5680T supports multiple protection switching modes. Which of the following protection technologies does the MA5600T/MA5680T support for both the backbone fiber and the branch fiber?

(single) Which of the following statements about 802.1Q is incorrect?

(single) Which of the following does not belong to the ONT product?

(single) Is the following description correct? In the routing table entry, only the next hop and the outbound interface (Nexthop/Interface) can be used for the same destination address and mask (Destination/Mask).