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Lpi 303-300 Exam Syllabus Topics:

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

1. Which of the following DNS records is used to map an IP address to a hostname?

A) PTR
B) SOA
C) NS
D) A

2. What happens when the command getfattr afile is run while the file afile has no extended attributes set?

A) getfattr prints a warning and exits with a value of 1.
B) No output is produced and getfattr exits with a value of 0.
C) getfattr prints a warning and exits with a values of 0.
D) No outputs is produced and getfattr exits with a value of 1.

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

4. 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/sda 1 1
B) cryptsetup luksDelKey / dev /mapper/crypt- vol 0
C) cryptsetup luksDelKey /dev/sda 1 0
D) cryptsetup luksDelKey / dev /mapper/crypt- vol 1

5. Which protocol is commonly used to transmit X.509 certificates?

A) HTTPS
B) SMTPS
C) FTPS
D) LDAP

Solutions: