Quiz 2026 Lpi 303-300–High Hit-Rate Exam Vce

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Lpi 303-300 Exam Overview:

Certification Vendor:	Linux Professional Institute (LPI)
Exam Name:	LPIC Exam 303: Security, Version 3.0
Exam Number:	303-300
Certificate Validity Period:	5 years
Passing Score:	500/800
Available Languages:	Japanese, English
Exam Format:	Multiple Choice, Fill in the Blank
Exam Duration:	90 minutes
Related Certifications:	LPIC-3 Security
Real Exam Qty:	60
Exam Price:	$200 USD
Sample Questions:	Lpi 303-300 Sample Questions
Exam Way:	Pearson VUE Test Center or Online Proctored Exam (OnVUE)
Pre Condition:	An active LPIC-2 certification is required to obtain the LPIC-3 Security certification. LPIC-2 and LPIC-3 exams may be taken in any order.
Official Syllabus URL:	https://www.lpi.org/our-certifications/exam-303-objectives/

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q64-Q69):

NEW QUESTION # 64
What is the purpose of the OpenVPN "tls-auth" or "tls-crypt" directive?

A. To add an additional layer of HMAC authentication (or full encryption, with tls-crypt) to the TLS control channel, protecting against certain DoS and port-scanning attacks.
B. To compress the VPN traffic.
C. To generate the server's X.509 certificate automatically.
D. To disable TLS entirely and use a static key instead.

Answer: A

Explanation:
The tls-auth directive adds an additional layer of HMAC signing to all TLS handshake packets using a pre-shared static key, providing protection against certain denial-of-service attacks, TLS stack vulnerabilities, and port scanning, since packets without a valid HMAC are silently dropped before any TLS processing occurs. tls-crypt provides a similar benefit but additionally encrypts the entire TLS control channel, also hiding metadata like the certificate used, offering stronger protection than tls-auth alone while still requiring the standard TLS/certificate-based data channel.

NEW QUESTION # 65
In GnuPG's web of trust model, what does it mean when User A signs User B's public key?

A. User A is granting User B permission to decrypt User A's messages.
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's private key is now shared with User B.

Answer: B

Explanation:
When one GnuPG user signs another user's public key, they are asserting, based on some level of verification (such as checking a passport or comparing key fingerprints in person), that they believe the key genuinely belongs to the claimed identity. This signature becomes part of the web of trust, allowing other users who trust User A to extend a degree of trust to User B's key as well, without needing to independently verify it themselves, forming a decentralized alternative to the hierarchical X.509 CA trust model.

NEW QUESTION # 66
What is a buffer overflow?

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

Answer: A

NEW QUESTION # 67
Which of the following statements are valid wireshark capture filters? (Choose TWO correct answers.)

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

Answer: B,E

NEW QUESTION # 68
What is the primary function of an Intrusion Detection System (IDS) such as Snort or Suricata operating in network-based mode?

A. To perform DNS resolution for network hosts.
B. To actively block malicious traffic before it reaches its destination.
C. To passively monitor network traffic and generate alerts based on signature or anomaly-based detection rules.
D. To encrypt network traffic between hosts.

Answer: C

Explanation:
A network-based Intrusion Detection System (NIDS), such as Snort or Suricata operating in IDS mode, passively monitors network traffic, typically via a mirrored switch port or network tap, and compares it against a set of signatures or behavioral rules to detect potential malicious activity, generating alerts for further investigation. This differs from an Intrusion Prevention System (IPS), which operates inline with the traffic path and can actively drop or block traffic matching a detection rule in real time, rather than only alerting after the fact.

NEW QUESTION # 69
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