2025 Valid 303-300 Real Exam Questions, practice LPIC-3
Latest Success Metrics For Actual 303-300 Exam (Updated 121 Questions)
The LPIC Exam 303 is a comprehensive exam that requires candidates to have a strong understanding of Linux security concepts and practices. Candidates are expected to have a working knowledge of Linux command-line tools and utilities, as well as the ability to configure and manage security features on Linux systems. 303-300 exam consists of 60 multiple-choice questions, and candidates have 90 minutes to complete the exam. The LPIC Exam 303 is a rigorous exam that requires candidates to have a deep understanding of Linux security concepts and practices. Earning this certification demonstrates that a candidate has the knowledge and skills to secure Linux systems in an enterprise environment.
NEW QUESTION # 33
Which of the following practices are important for the security of private keys?
(Choose TWO correct answers.)
- A. Private keys should always be stored as plain text files without any encryption.
- B. Private keys should be included in X509 certificates.
- C. Private keys should have a sufficient length for the algorithm used for key generation.
- D. Private keys should be uploaded to public key servers.
- E. Private keys should be created on the systems where they will be used and should never leave them.
Answer: B,C
NEW QUESTION # 34
What is privilege escalation?
- A. An attack that floods a network or server with traffic to make it unavailable
- B. An attack that exploits a vulnerability to gain elevated privileges
- C. An attack that targets a specific user or organization
- D. An attack that aims to steal sensitive information
Answer: B
NEW QUESTION # 35
What is OCSP stapling?
- A. A mechanism that allows a server to provide proof of the revocation status of its own SSL/TLS certificate
- B. A mechanism that allows a server to provide proof of its own identity to clients
- C. A mechanism that allows a server to provide proof of the revocation status of all certificates issued by a particular Certificate Authority
- D. A mechanism that allows a server to provide proof of a client's identity to other servers
Answer: A
NEW QUESTION # 36
When OpenVPN sends a control packet to its peer, it expects an acknowledgement in 2 seconds by default. Which of the following options changes the timeout period to 5 seconds?
- A. -- tls- timer 5
- B. -- tls- timer 500
- C. -- tls- timeout 500
- D. -- tls-timeout 5
Answer: D
NEW QUESTION # 37
What is a certificate chain?
- A. A sequence of certificates used to verify the authenticity of a digital certificate
- B. A chain of digital signatures used to verify the authenticity of a certificate
- C. A sequence of public and private keys used for encryption and decryption
- D. A chain of public and private keys used for encryption and decryption
Answer: A
NEW QUESTION # 38
Which of the following expressions are valid AIDE rules?
(Choose TWO correct answers.)
- A. /etc p+i+u+g
- B. /usr=all
- C. !/var/run/.*
- D. #/bin/
- E. append: /var/log/*
Answer: A,C
NEW QUESTION # 39
What is a symmetric key?
- A. A key used for encryption and decryption that is the same
- B. A key used for encryption that is different from the key used for decryption
- C. A key used for decryption that is different from the key used for encryption
- D. A key used for both encryption and decryption that is generated randomly
Answer: A
NEW QUESTION # 40
Which tool can be used to check for rootkits on a Linux system?
- A. AIDE
- B. rpm
- C. OpenSCAP
- D. chkrootkit
Answer: D
NEW QUESTION # 41
What is the purpose of rkhunter?
- A. To manage installed packages
- B. To detect rootkits and other security threats
- C. To manage system log files
- D. To automate host scans
Answer: B
NEW QUESTION # 42
Which of the following access control models is established by using SELinux?
- A. Security Access Control (SAC)
- B. Discretionary Access Control (DAC)
- C. Group Access Control (GAC)
- D. Mandatory Access Control (MAC)
- E. User Access Control (UAC)
Answer: D
NEW QUESTION # 43
Which of the following statements is true about chroot environments?
- A. The chroot path needs to contain all data required by the programs running in the chroot environment
- B. Programs are not able to set a chroot path by using a function call, they have to use the command chroot
- C. When using the command chroot, the started command is running in its own namespace and cannot communicate with other processes
- D. Symbolic links to data outside the chroot path are followed, making files and directories accessible
- E. Hard links to files outside the chroot path are not followed, to increase security
Answer: A
NEW QUESTION # 44
Which of the following database names can be used within a Name Service Switch (NSS) configuration file?(Choose THREE correct answers).
- A. shadow
- B. host
- C. group
- D. service
- E. passwd
Answer: A,C,E
NEW QUESTION # 45
Which protocol is commonly used to transmit X.509 certificates?
- A. SMTPS
- B. HTTPS
- C. FTPS
- D. LDAP
Answer: D
NEW QUESTION # 46
Which of the following is a best practice for implementing HID?
- A. Configure HID to block all incoming traffic
- B. Disable HID when not actively monitoring for security incidents
- C. Configure HID to alert security personnel of potential security incidents
- D. Install HID on every computer in the network
Answer: C
NEW QUESTION # 47
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. subjectAltName = DNS: www.example.org, DNS:example.org
- B. extension= SAN: www.example.org, SAN:example.org
- C. subjectAltName: www.example.org, subjectAltName: example.org
- D. commonName = subjectAltName= www.example.org, subjectAltName = example.org
- E. subject= CN= www.example.org, CN=example.org
Answer: A
NEW QUESTION # 48
Which of the following commands disables the automatic password expiry for the user usera?
- A. chage --maxdays 99 usera
- B. chage --lastday 0 usera
- C. chage --lastday none usera
- D. chage --maxdays -1 usera
- E. chage --maxdays none usera
Answer: D
NEW QUESTION # 49
Which of the following DNS records are used in DNSSEC?
- A. RRSIG
- B. PTR
- C. TXT
- D. MX
Answer: A
NEW QUESTION # 50
Which of the following DNS records is used to publish X.509 certificate and certificate authority information in DNS?
- A. CAA
- B. A
- C. NSEC
- D. DS
Answer: A
NEW QUESTION # 51
Which of the following methods can be used to deactivate a rule in Snort?
(Choose TWO correct answers.)
- A. By adding a pass rule to /etc/snort/rules.deactivated and waiting for Snort to reload its rules files automatically.
- B. By deleting the rule and waiting for Snort to reload its rules files automatically.
- C. By placing a pass rule in local.rules and restarting Snort.
- D. By placing a # in front of the rule and restarting Snort.
Answer: C,D
NEW QUESTION # 52
What is a ciphertext?
- A. The algorithm used to encrypt the message
- B. The encrypted message
- C. The key used to encrypt the message
- D. The original message before encryption
Answer: B
NEW QUESTION # 53
What is the purpose of TSIG in DNS?
- A. To map a domain name to an IP address
- B. To encrypt DNS queries
- C. To provide information about DNS servers
- D. To sign DNS messages for secure communication
Answer: D
NEW QUESTION # 54
What is an X.509 Certificate?
- A. A digital document that verifies the identity of a person
- B. A digital document that verifies the identity of a device
- C. A digital document that verifies the identity of a company
- D. A digital document that verifies the identity of a website
Answer: D
NEW QUESTION # 55
Which of the following keywords are built-in chairs for the iptables nat table?
(Choose THREE correct answers.)
- A. MASQUERADE
- B. PREROUTING
- C. PROCESSING
- D. OUTPUT
- E. POSTROUTING
Answer: B,D,E
NEW QUESTION # 56
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LPIC Exam 303: Security, version 3.0 is a certification exam that focuses on testing the candidate's knowledge and skills in the area of security in Linux systems. 303-300 exam is designed for IT professionals who want to validate their security knowledge and skills in Linux operating systems. It is also suitable for security professionals who are looking to expand their knowledge of Linux security.
To take the LPIC Exam 303: Security, version 3.0, candidates must have a valid LPIC-2 certification, or they must have equivalent knowledge and experience. 303-300 exam is a 90-minute, computer-based exam that consists of 60 multiple-choice and fill-in-the-blank questions. The passing score for the exam is 500 out of 800.
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