Easily To Pass New 303-300 Premium Exam Updated [Sep 21, 2025]

303-300 Certification All-in-One Exam Guide Sep-2025

NEW QUESTION # 28
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. subject= CN= www.example.org, CN=example.org
• E. commonName = subjectAltName= www.example.org, subjectAltName = example.org

Answer: A

NEW QUESTION # 29
Which of the following is an example of a behavioral-based HID technique?

• A. Signature-based detection
• B. Anomaly-based detection
• C. Rule-based detection
• D. Heuristic-based detection

Answer: B

NEW QUESTION # 30
Which of the following is an example of an HID tool?

• A. Security information and event management (SIEM) system
• B. Intrusion prevention system (IPS)
• C. Firewall
• D. Antivirus software

Answer: A

NEW QUESTION # 31
Which of the following database names can be used within a Name Service Switch (NSS) configuration file?(Choose THREE correct answers).

• A. service
• B. host
• C. shadow
• D. group
• E. passwd

Answer: C,D,E

NEW QUESTION # 32
Which of the following sections are allowed within the Kerberos configuration file krb5.conf?
(Choose THREE correct answers.)

• A. [domain]
• B. [crypto]
• C. [realms]
• D. [plugins]
• E. [capaths]

Answer: C,D,E

NEW QUESTION # 33
What is host intrusion detection (HID)?

• A. A system that monitors and detects potential security threats on a single computer or server
• B. A system that scans files and folders for viruses
• C. A system that prevents malware from infecting a network
• D. A system that detects malicious traffic on a network

Answer: A

NEW QUESTION # 34
What is a symmetric key?

• A. A key used for decryption that is different from the key used for encryption
• B. A key used for encryption that is different from the key used for decryption
• C. A key used for both encryption and decryption that is generated randomly
• D. A key used for encryption and decryption that is the same

Answer: D

NEW QUESTION # 35
Which command is used to view the access control list of a file?

• A. chmod
• B. setfacl
• C. getfacl
• D. ls

Answer: C

NEW QUESTION # 36
Which command included in the Linux Audit system provides searching and filtering of the audit log?
(Specify ONLY the command without any path or parameters.)
Solution: ausearch
Determine whether the given solution is correct?

• A. Correct
• B. Incorrect

Answer: A

NEW QUESTION # 37
Which of the following statements are valid wireshark capture filters?
(Choose TWO correct answers.)

• A. port range 10000:tcp-15000:tcp
• B. port-range tcp 10000-15000
• C. tcp portrange 10000-15000
• D. portrange 10000-15000 and tcp
• E. portrange 10000/tcp-15000/tcp

Answer: C,D

NEW QUESTION # 38
Which of the following DNS records is used to map an IP address to a hostname?

• A. SOA
• B. NS
• C. PTR
• D. A

Answer: C

NEW QUESTION # 39
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 placing a pass rule in local.rules and restarting Snort.
• C. By placing a # in front of the rule and restarting Snort.
• D. By adding a pass rule to /etc/snort/rules.deactivated and waiting for Snort to reload its rules files automatically.

Answer: B,C

NEW QUESTION # 40
In which path is the data, which can be altered by the sysctl command, accessible?

• A. /dev/sys/
• B. /sysctl/
• C. /proc/sys/
• D. /sys/

Answer: C

NEW QUESTION # 41
Which of the following expressions are valid AIDE rules?
(Choose TWO correct answers.)

• A. #/bin/
• B. !/var/run/.*
• C. /etc p+i+u+g
• D. /usr=all
• E. append: /var/log/*

Answer: B,C

NEW QUESTION # 42
What is phishing?

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

Answer: C

NEW QUESTION # 43
Which of the following DNS record types can the command dnssec-signzone add to a zone?
(Choose THREE correct answers.)

• A. NSEC3
• B. ASIG
• C. NSSIG
• D. RRSIG
• E. NSEC

Answer: A,D,E

NEW QUESTION # 44
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The LPIC Exam 303 is the third exam in the Linux Professional Institute certification track and is designed to test the candidate's knowledge and skills in various areas of Linux security, including network security, system security, and cryptography. 303-300 exam consists of 60 questions, and the candidate is given two hours to complete the exam.

 

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