PrepAway - Latest Free Exam Questions & Answers

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”;
};

PrepAway - Latest Free Exam Questions & Answers

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.

Explanation:
A) would be correct if allow-recursion {any;}; was specified.
C) would be correct if no forwarders were specified.
D) all hosts may initiate a zone transfer. disallow with allow-transfer {none;};
E) would be correct if forward only; was specified or no root-Servers were specified.


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