单项选择题
Which IPv6 address would you ping to determine if OSPFv3 is able to send and receive unicast packets across a link？（）
A.anycast address B.site-local multicast C.global address of the link D.unique local address E.link-local address
单项选择题 WhichinformationiscarriedinanOSPFv3intra-area-prefixLSA？（）
多项选择题 Modifieddeficitroundrobinsupportswhichofthesefunctionalities？（）
单项选择题 WhichofthesestatementsbestdescribesthemajordifferencebetweenanIPv4-compatibletunnelanda6to4tunnel？（）
