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Lpi 303-300 Exam Syllabus Topics:

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

1. What does the following iptables rule accomplish:
iptables -A INPUT -s !127.0.0.0/8 -p tcp -dport 111 -j DROP

A) Drops all packets originating from the local machine unless they are destined for port 111.
B) Drops all packets destined for port 111 unless they are from the local machine.
C) Drops all packets from the LAN destined for port 111.
D) Drops all packets destined for port 111 which originate from the local machine.

2. Which of the following DNS record types can the command dnssec-signzone add to a zone?
(Choose THREE correct answers.)

A) ASIG
B) NSEC
C) NSEC3
D) NSSIG
E) RRSIG

3. Which Fail2ban configuration file typically contains local, site-specific overrides that should not be modified in the default jail.conf file?

A) jail.local
B) filter.d/sshd.conf
C) fail2ban.conf
D) action.d/iptables.conf

4. What is Linux Malware Detect?

A) A package management tool
B) A tool to automate host scans
C) A configuration management tool
D) A tool to detect malware on a Linux system

5. What is the purpose of TSIG in DNS?

A) To map a domain name to an IP address
B) To provide information about DNS servers
C) To encrypt DNS queries
D) To sign DNS messages for secure communication

Solutions: