Lpi 303-300 : LPIC Exam 303: Security, version 3.0

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Lpi 303-300 Exam Syllabus Topics:

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

1. Which command is used to create an encrypted LUKS-formatted block device?

A) cryptsetup open /dev/sdX
B) dm-crypt --format /dev/sdX
C) mkfs.luks /dev/sdX
D) cryptsetup luksFormat /dev/sdX

2. What is a symmetric key?

A) A key used for encryption that is different from the key used for decryption
B) A key used for decryption that is different from the key used for encryption
C) A key used for both encryption and decryption that is generated randomly
D) A key used for encryption and decryption that is the same

3. 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) No outputs is produced and getfattr exits with a value of 1.
D) getfattr prints a warning and exits with a values of 0.

4. In nftables, what is the purpose of a "base chain" as opposed to a "regular chain"?

A) A base chain can only contain accept rules.
B) A base chain is directly attached to a netfilter hook, such as input or forward, allowing it to receive packets from the kernel.
C) A base chain is used only for NAT rules.
D) There is no functional difference between base and regular chains.

5. Which of the following commands displays all ebtable rules contained in the table filter including their packet and byte counters?

A) ebtables -L -t filter -Lv
B) ebtables -L -Lc -t filter
C) ebtables -t filter -L --Lc
D) ebtables -t nat -L -v
E) ebtables -t filter -Ln -L

Solutions: