OSPF协议中，ABR的不同端口可能运行在不同的area中，其中一定有接口运行在（）当中。
A. area0
B. area1
C. area10
D. area100
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You need to dump the data from the master server and import it into a new slave server. Which mysqldump option can be used when dumping data from the master server in order to include the master server's binary log information?（）
A. Include-master-info
B. Master-binlog
C. Include-log-file
D. Master-data
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