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Lpi 303-300 Exam Syllabus Topics:

Section	Weight	Objectives
Network Security	17%	- Network Intrusion Detection - Packet Filtering - Network Hardening - Virtual Private Networks
Cryptography	17%	- DNS and Cryptography - X.509 Certificates for Encryption, Signing and Authentication - Encrypted File Systems - X.509 Certificates and Public Key Infrastructures
Access Control	8%	- Mandatory Access Control - Discretionary Access Control
Host Security	13%	- Host Intrusion Detection - Resource Control - Host Hardening
Threats and Vulnerability Assessment	5%	- Penetration Testing - Common Security Vulnerabilities and Threats

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q133-Q138):

NEW QUESTION # 133
Which of the following methods can be used to deactivate a rule in Snort?
(Choose TWO correct answers.)

A. By placing a pass rule in local.rules and restarting Snort.
B. By deleting the rule and waiting for Snort to reload its rules files automatically.
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: A,C

NEW QUESTION # 134
What is the purpose of a Certificate Revocation List (CRL)?

A. It lists all valid certificates currently trusted by a client.
B. It replaces the need for certificate expiration dates.
C. It lists certificates that have not yet been issued.
D. It lists certificates that have been revoked by the issuing CA before their expiration date.

Answer: D

Explanation:
A Certificate Revocation List (CRL) is a signed list published by a Certificate Authority that identifies certificates which have been revoked before their scheduled expiration date, for reasons such as key compromise or the certificate no longer being needed. Clients can download and check a CRL to determine whether a certificate they are relying on is still valid, though this approach has largely been supplemented or replaced in many contexts by the more efficient real- time OCSP protocol.

NEW QUESTION # 135
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 /mapper/crypt- vol 1
B. cryptsetup luksDelKey / dev /mapper/crypt- vol 0
C. cryptsetup luksDelKey /dev/sda 1 0
D. cryptsetup luksDelkey /dev/sda 1 1

Answer: D

NEW QUESTION # 136
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. commonName = subjectAltName= www.example.org, subjectAltName = example.org
B. subjectAltName: www.example.org, subjectAltName: example.org
C. subject= CN= www.example.org, CN=example.org
D. subjectAltName = DNS: www.example.org, DNS:example.org
E. extension= SAN: www.example.org, SAN:example.org

Answer: D

NEW QUESTION # 137
Which of the following expressions are valid AIDE rules?
(Choose TWO correct answers.)

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

Answer: A,C

NEW QUESTION # 138
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