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
多项选择题 WhichtwocombinationsarevalidPAgPconfigurationsthatwillsetupaPAgPchannel？（）
单项选择题 WhichinformationiscarriedinanOSPFv3intra-area-prefixLSA？（）
单项选择题 WhichofthesestatementsbestdescribesthemajordifferencebetweenanIPv4-compatibletunnelanda6to4tunnel？（）
