Which of the following sentences is true for the shown BIND9 configuration?

Which of the following sentences is true for the shown BIND9 configuration?

options {

directory "/var/named";

allow-query { any; };

allow-recursion {127.0.0.1; 10.0.0.0/24; };

forwarders {192.168.0.4; };

forward first;

};

zone"." {

type hint;

file "named.ca";

};
A . Any host, from any network, may use this server as its main DNS server.
B . If the server doesn’t know the answer to a query, it sends a recursive query to 192.168.0.4.
C . If the server doesn’t know the answer to a query, it sends a query to a root DNS server.
D . Hosts in the network 10.0.0.0/24 will be able to ask for zone transfers.
E . If the server doesn’t know the answer to a query, it sends a recursive query to 192.168.0.4 and, if this fails, it returns a failure.