Lpi LPIC-3 303-300

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Lpi 303-300 Exam Syllabus Topics:

Lpi LPIC Exam 303: Security, version 3.0 Sample Questions:

1. Which of the following commands defines an audit rule that monitors read and write operations to the file/ etc/firewall/rules and associates the rule with the name firewall?

A) auditctl -w /etc/firewall/rules -p rw -k firewall
B) echo "n: firewall r:/etc/firewall/rules: w:/etc/firewall/rules:" | auditctl ~
C) auditctl -A -f /etc/firewall/rules -o r -o w -l firewall
D) auditctl --read /etc/firewall/rules --write /etc/firewall/rules --label firewall
E) auditctl -N firewall -r r: /etc/firewall/rules -r w: etc/firewall/rules

2. Which DNS label points to the DANE information used to secure HTTPS connections to
https://www.example.com/?

A) www.example.com
B) _443_tcp.www.example.com
C) example.com
D) soa.example.com
E) dane.www.example.com

3. Which of the following information, within a DNSSEC- signed zone, is signed by the key signing key?

A) The DS records pointing to the zone.
B) The non-DNSSEC records like A, AAAA or MX.
C) The zone signing key of the zone.
D) The NSEC or NSEC3 records of the zone.
E) The RRSIG records of the zone.

4. Which of the following commands changes the source IP address to 192.0.2.11 for all IPv4 packets which go through the network interface eth0?

A) iptables ~t mangle ~A POSTROUTING ~i eth0 ~j SNAT -to~source 192.0.2.11
B) iptables ~t mangle ~A POSTROUTING ~0 eth0 ~j SNAT -to~source 192.0.2.11
C) iptables ~t nat ~A PREROUTING ~i eth0 ~j SNAT --to~source 192.0.2.11
D) iptables ~t nat ~A POSTROUTING ~i eth0 ~j DNAT --to~source 192.0.2.11
E) iptables ~t nat ~A POSTROUTING ~o eth0 ~j SNAT --to~source 192.0.2.11

5. What is the purpose of a LUKS key slot?

A) It stores an encrypted copy of the master key, protected by a specific passphrase or keyfile, allowing multiple independent unlock methods.
B) It stores the device's UUID.
C) It defines the filesystem type used on the encrypted volume.
D) It stores a copy of the encrypted data for redundancy.

Solutions: