Lpi LPIC-3 303-300

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Lpi 303-300 Exam Syllabus Topics:

Lpi LPIC Exam 303: Security, version 3.0 Sample Questions:

1. What is the purpose of the OpenVPN "tls-auth" or "tls-crypt" directive?

A) To disable TLS entirely and use a static key instead.
B) To generate the server's X.509 certificate automatically.
C) 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.
D) To compress the VPN traffic.

2. What is the purpose of file ownership in Linux systems?

A) To enable multiple users to access files simultaneously
B) To restrict access to files only to their owner
C) To protect files from being accidentally deleted
D) To ensure that files are backed up regularly

3. An X509 certificate contains the following information:
X509v3 Basic Constraints: critical CA:TRUE, pathlen:0
Which of the following statements are true regarding the certificate? (Choose THREE correct answers.)

A) This certificate may be used to sign certificates of subordinate certification authorities.
B) This certificate belongs to a certification authority.
C) This certificate will not be accepted by programs that do not understand the listed extension.
D) This certificate may be used to sign certificates that are not also a certification authority.
E) This certificate may never be used to sign any other certificates.

4. What is the purpose of TSIG in DNS?

A) To encrypt DNS queries
B) To sign DNS messages for secure communication
C) To provide information about DNS servers
D) To map a domain name to an IP address

5. Which of the following expressions are valid AIDE rules? (Choose TWO correct answers.)

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

Solutions: