[LPIC-2]Domain Name Server 3

What option for BIND is required in the global options to disable recursive queries on the DNS server by default?

A. allow-recursive-query ( none; );
B. allow-recursive-query off;
C. recursion { disabled; };
D. recursion { none; };
E. recursion no;

題解

「recursion」這項設定可以控制BIND是否要去分級拆解查詢的主機名稱，設定值有「yes」和「no」兩種。