Lpi 303-300 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 303-300
Exam Name/Title: LPIC Exam 303: Security, version 3.0
Certification Provider: Lpi
Corresponding Certification: LPIC-3

Exam Questions: 163
Updated On: Aug 05, 2026

Question #1

Which of the following statements is used in a parameter file for setkey in order to create a new SPD entry?

A. spdnew

B. spdadd

C. spd

D. newspd

E. addspd

Discussion 0

Correct Answer: B Vote an answer

Question #2

What is the purpose of a TLSA record in DANE?

A. To map a domain name to an IP address

B. To authenticate a DNS server

C. To provide information about a TLS server

D. To sign a TLS server's public key

Discussion 0

Correct Answer: D Vote an answer

Question #3

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 a client's identity to other servers

D. A mechanism that allows a server to provide proof of the revocation status of all certificates issued by a particular Certificate Authority

Discussion 0

Correct Answer: A Vote an answer

Question #4

What is the purpose of performing a TCP SYN scan (nmap -sS) rather than a full TCP connect scan (nmap -sT)?

A. A SYN scan is slower but more accurate than a connect scan.

B. A SYN scan does not complete the full TCP three-way handshake, making it faster and less likely to be logged by the target application.

C. A SYN scan can only be used against UDP services.

D. There is no difference between the two scan types.

Discussion 0

Correct Answer: B Vote an answer

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Question #5

What is the purpose of file ownership in Linux systems?

A. To restrict access to files only to their owner

B. To protect files from being accidentally deleted

C. To enable multiple users to access files simultaneously

D. To ensure that files are backed up regularly

Discussion 0

Correct Answer: A Vote an answer

Question #6

Which command is used to add a temporary audit rule that monitors write access to the
/etc/passwd file?

A. auditd -w /etc/passwd

B. ausearch -f /etc/passwd

C. auditctl -w /etc/passwd -p wa -k passwd_changes

D. aureport -f /etc/passwd

Discussion 0

Correct Answer: C Vote an answer

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Question #7

Which command-line tool is commonly used to test and verify TLS/SSL configuration and certificate details of a remote server?

A. tcpdump

B. nmap -sV

C. openssl s_client

D. ss -tlnp

Discussion 0

Correct Answer: C Vote an answer

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Question #8

Which tool can be used to manage the Linux Audit system?

A. chkrootkit

B. rkhunter

C. maldet

D. auditd

Discussion 0

Correct Answer: D Vote an answer

Question #9

Which tool can be used to check for rootkits on a Linux system?

A. rpm

B. chkrootkit

C. AIDE

D. OpenSCAP

Discussion 0

Correct Answer: B Vote an answer

Question #10

Which permission bit allows a file to be executed?

A. Execute

B. Write

C. SetUID

D. Read

Discussion 0

Correct Answer: A Vote an answer

Question #11

Which of the following components are part of FreeIPA? (Choose THREE correct answers.)

A. Directory Server

B. Kerberos KDC

C. DHCP Server

D. Public Key Infrastructure

E. Intrusion Detection System

Discussion 0

Correct Answer: A,B,D Vote an answer

Question #12

In GnuPG's web of trust model, what does it mean when User A signs User B's public key?

A. User A's private key is now shared with User B.

B. User A is vouching that they have verified the authenticity of User B's public key and its association with User B's identity.

C. User B's key is automatically revoked.

D. User A is granting User B permission to decrypt User A's messages.

Discussion 0

Correct Answer: B Vote an answer

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Question #13

What is an asymmetric key?

A. A key used for both encryption and decryption that is generated in a pair

B. A key used for decryption that is different from the key used for encryption

C. A key used for encryption that is different from the key used for decryption

D. A key used for encryption and decryption that is the same

Discussion 0

Correct Answer: A Vote an answer

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