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

1. Which of the following terms refer to existing scan techniques with nmap?
(Choose TWO correct answers.)

A) FIN Scan
B) Zero Scan
C) Xmas Scan
D) UDP SYN Scan
E) IP Scan

2. What is the purpose of an extended attribute in Linux?

A) To mark a file as executable
B) To store additional metadata about a file
C) To encrypt a file for secure transmission
D) To compress a file to save disk space

3. What effect does the following command have on TCP packets?
iptables- A INPUT d 10.142.232.1 p tcp --dport 20:21 j ACCEPT

A) Accept all TCP traffic on port 20 and 21 for the IP address 10.142.232.1
B) Drop all TCP traffic coming from 10.142.232.1 destined for port 20 or 21.
C) Accept only TCP traffic from 10.142.232.1 destined for port 20 or 21.
D) Forward all TCP traffic not on port 20 or 21 to the IP address 10.142.232.1

4. Which file is used to configure AIDE?

A) /etc/maldet.conf
B) /etc/rkhunter.conf
C) /etc/audit/auditd.conf
D) /etc/aide/aide.conf

5. Which of the following statements is true about chroot environments?

A) Hard links to files outside the chroot path are not followed, to increase security
B) The chroot path needs to contain all data required by the programs running in the chroot environment
C) Symbolic links to data outside the chroot path are followed, making files and directories accessible
D) When using the command chroot, the started command is running in its own namespace and cannot communicate with other processes
E) Programs are not able to set a chroot path by using a function call, they have to use the command chroot

Solutions: