Lpi 303-300 Practice Verified Answers - Pass Your Exams For Sure! [2025]
Valid Way To Pass LPIC-3's 303-300 Exam
Lpi 303-300 exam is an essential certification for anyone looking to build a career in IT security. 303-300 exam covers a wide range of topics and is designed to test a candidate's knowledge of various security protocols, access control mechanisms, vulnerability assessments, and incident response procedures. By passing 303-300 exam, candidates can demonstrate their proficiency in Linux security and increase their employability in the IT industry.
NEW QUESTION # 51
How are SELinux permissions related to standard Linux permissions?
(Choose TWO correct answers.)
- A. SELinux permissions override standard Linux permissions.
- B. SELinux permissions are verified before standard Linux permissions.
- C. Standard Linux permissions override SELinux permissions.
- D. SELinux permissions are verified after standard Linux permissions.
Answer: C,D
NEW QUESTION # 52
Which of the following are differences between AppArmor and SELinux?
(Choose TWO correct answers)
- A. AppArmor is implemented in user space only. SELinux is a Linux Kernel Module.
- B. AppArmor neither requires nor allows any specific configuration. SELinux must always be manually configured.
- C. AppArmor is less complex and easier to configure than SELinux.
- D. SELinux stores information in extended file attributes. AppArmor does not maintain file specific information and states.
- E. The SELinux configuration is loaded at boot time and cannot be changed later on. AppArmor provides user space tools to change its behavior.
Answer: C,D
NEW QUESTION # 53
Which of the following lines in an OpenSSL configuration adds an X 509v3 Subject Alternative Name extension for the host names example.org and www.example.org to a certificate?
- A. extension= SAN: www.example.org, SAN:example.org
- B. commonName = subjectAltName= www.example.org, subjectAltName = example.org
- C. subject= CN= www.example.org, CN=example.org
- D. subjectAltName: www.example.org, subjectAltName: example.org
- E. subjectAltName = DNS: www.example.org, DNS:example.org
Answer: E
NEW QUESTION # 54
Which of the following is used to perform DNSSEC validation on behalf of clients?
- A. Secondary name server
- B. Authoritative name server
- C. Primary name server
- D. Recursive name server
Answer: D
NEW QUESTION # 55
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. Symbolic links to data outside the chroot path are followed, making files and directories accessible
- C. The chroot path needs to contain all data required by the programs running in the chroot environment
- 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
Answer: C
NEW QUESTION # 56
Which file is used to configure AIDE?
- A. /etc/aide/aide.conf
- B. /etc/rkhunter.conf
- C. /etc/maldet.conf
- D. /etc/audit/auditd.conf
Answer: A
NEW QUESTION # 57
What is the purpose of rkhunter?
- A. To manage system log files
- B. To manage installed packages
- C. To automate host scans
- D. To detect rootkits and other security threats
Answer: D
NEW QUESTION # 58
Which of the following statements are valid wireshark capture filters?
(Choose TWO correct answers.)
- A. tcp portrange 10000-15000
- B. portrange 10000/tcp-15000/tcp
- C. portrange 10000-15000 and tcp
- D. port range 10000:tcp-15000:tcp
- E. port-range tcp 10000-15000
Answer: A,C
NEW QUESTION # 59
A LUKS device was mapped using the command: cryptsetup luksOpen/dev/sda1 crypt-vol Given that this device has three different keys, which of the following commands deletes only the first key?
- A. cryptsetup luksDelkey /dev/sda 1 1
- B. cryptsetup luksDelKey / dev /mapper/crypt- vol 1
- C. cryptsetup luksDelKey / dev /mapper/crypt- vol 0
- D. cryptsetup luksDelKey /dev/sda 1 0
Answer: A
NEW QUESTION # 60
Linux Extended File Attributes are organized in namespaces. Which of the following names correspond to existing attribute namespaces?(Choose THREE correct answers.)
- A. user
- B. default
- C. trusted
- D. system
- E. owner
Answer: A,C,D
NEW QUESTION # 61
Which permission bit allows a user to delete a file?
- A. Read
- B. SetUID
- C. Write
- D. Execute
Answer: C
NEW QUESTION # 62
Which of the following methods can be used to deactivate a rule in Snort?
(Choose TWO correct answers.)
- A. By deleting the rule and waiting for Snort to reload its rules files automatically.
- B. By adding a pass rule to /etc/snort/rules.deactivated and waiting for Snort to reload its rules files automatically.
- C. By placing a # in front of the rule and restarting Snort.
- D. By placing a pass rule in local.rules and restarting Snort.
Answer: C,D
NEW QUESTION # 63
Which tool can be used to check for rootkits on a Linux system?
- A. OpenSCAP
- B. chkrootkit
- C. rpm
- D. AIDE
Answer: B
NEW QUESTION # 64
What is a certificate chain?
- A. A chain of public and private keys used for encryption and decryption
- B. A sequence of certificates used to verify the authenticity of a digital certificate
- C. A sequence of public and private keys used for encryption and decryption
- D. A chain of digital signatures used to verify the authenticity of a certificate
Answer: B
NEW QUESTION # 65
Which of the following expressions are valid AIDE rules?
(Choose TWO correct answers.)
- A. #/bin/
- B. /usr=all
- C. /etc p+i+u+g
- D. append: /var/log/*
- E. !/var/run/.*
Answer: C,E
NEW QUESTION # 66
Which of the following access control models is established by using SELinux?
- A. User Access Control (UAC)
- B. Mandatory Access Control (MAC)
- C. Discretionary Access Control (DAC)
- D. Group Access Control (GAC)
- E. Security Access Control (SAC)
Answer: B
NEW QUESTION # 67
Which of the following commands adds users using SSSD's local service?
- A. sss_adduser
- B. sss_useradd
- C. sss-addlocaluser
- D. sss_add
- E. sss_local_adduser
Answer: B
NEW QUESTION # 68
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