单项选择题
A.It relies on IPv6 to do the fragmenting.
B.It splits the LS Update packet into smaller packets.
C.It splits the LSA into smaller router LSA packets.
D.It produces an error.
单项选择题 Refer to the exhibit. Routers A and B are directly connected and running OSPF， but they are unable to form a neighbor relationship. What is the most likely cause？（）
单项选择题 Refer to the exhibit. Routers A and B are directly connected and running EIGRP， but they are unable to form a neighbor relationship. What is the most likely cause？ （）
单项选择题 Refer to the exhibit. Routers A and B are directly connected. Given the configuration， how many EIGRP routes will router B see in its routing table？（）