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

1. Which of the following statements are true regarding the certificate of a Root CA?
(Choose THREE correct answers.)

A) It must contain an X509v3 Authority extension.
B) It is a self-signed certificate.
C) It must contain a host name as the common name.
D) It does not include the private key of the CA.
E) It has an infinite lifetime and never expires.

2. Which DNS label points to the DANE information used to secure HTTPS connections to
https://www.example.com/?

A) _443_tcp.www.example.com
B) example.com
C) dane.www.example.com
D) www.example.com
E) soa.example.com

3. Which of the following are differences between AppArmor and SELinux?
(Choose TWO correct answers)

A) The SELinux configuration is loaded at boot time and cannot be changed later on. AppArmor provides user space tools to change its behavior.
B) AppArmor is implemented in user space only. SELinux is a Linux Kernel Module.
C) AppArmor is less complex and easier to configure than SELinux.
D) AppArmor neither requires nor allows any specific configuration. SELinux must always be manually configured.
E) SELinux stores information in extended file attributes. AppArmor does not maintain file specific information and states.

4. What is a buffer overflow?

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

5. Which of the following DNS records are used in DNSSEC?

A) TXT
B) RRSIG
C) PTR
D) MX

Solutions: