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Lpi 303-300 Exam Syllabus Topics:

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

1. What is the purpose of IP sets?

A) They group together IP addresses and user names that can be referenced from /etc/hosts.allow and /etc/hosts.deny
B) They group together IP addresses that can be referenced by netfilter rules.
C) They group together IP and MAC addresses used by the neighbors on the local network.
D) They group together IP addresses and networks that can be referenced by the network routing table.
E) They group together IP addresses that are assigned to the same network interfaces.

2. What is phishing?

A) A type of virus
B) A type of social engineering attack
C) A type of denial-of-service attack
D) A type of malware that disguises itself as legitimate software

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

4. What is a DoS attack?

A) An attack that exploits a vulnerability in software
B) An attack that targets a specific user or organization
C) An attack that floods a network or server with traffic to make it unavailable
D) An attack that aims to steal sensitive information

5. What is the purpose of the Linux Audit system?

A) To detect intrusions and system changes
B) To manage system log files
C) To manage installed packages
D) To automate host scans

Solutions: