LPI
201-450 · Question #40
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…
The correct answer is B. If the server doesn't know the answer to a query, it sends a recursive query to 192.168.0.4. See the full explanation below for the reasoning.
Networking Configuration
Question
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"; };
Options
- AAny host, from any network, may use this server as its main DNS server.
- BIf the server doesn't know the answer to a query, it sends a recursive query to 192.168.0.4.
- CIf the server doesn't know the answer to a query, it sends a query to a root DNS server.
- DHosts in the network 10.0.0.0/24 will be able to ask for zone transfers.
- EIf the server doesn't know the answer to a query, it sends a recursive query to 192.168.0.4 and,
How the community answered
(19 responses)- A5% (1)
- B79% (15)
- C11% (2)
- D5% (1)
Topics
#BIND9#DNS forwarding#forward first#allow-recursion
Community Discussion
No community discussion yet for this question.