LPIC-3 Security
Domain 1Objective 3
325.3 Encrypted File Systems (weight: 3) LPIC-3-SECURITY Practice Questions (Page 1)
Part of the Topic 325: Cryptography domain, which makes up ~28% of our current practice bank. Linux Professional Institute does not publish an official question count, but from its 90-minute exam (~35–60 total, ~10–17 in this domain), expect 3–4 from this objective — we provide 28 practice questions to prepare you well beyond it. (estimate)
28questions here
6free pages
6concepts
Questions 1–5
- 1
A LUKS-encrypted disk contains critical data. The administrator wants to add a second passphrase so that a backup operator can unlock the disk without knowing the primary passphrase. Which command should be used to add the new passphrase?
Select an answer first - 2
An administrator is configuring eCryptfs to encrypt a user's home directory. The requirement is that the encrypted directory is automatically mounted when the user logs in and unmounted when the user logs out, without requiring the user to run any commands. Which component must be configured to achieve this automatic behavior?
Select an answer first - 3
Which command sequence correctly opens a LUKS device and mounts it?
Select an answer first - 4
A company runs a web server where only the /var/www/html directory contains sensitive customer data. The rest of the disk holds the operating system and application binaries that must remain bootable without an encryption passphrase. The administrator needs to protect the sensitive directory with minimal performance impact and without requiring a passphrase at boot. Which approach best meets these requirements?
Select an answer first - 5
A company needs to encrypt a directory that is shared by multiple applications on a single server. The directory contains configuration files with secrets. The administrator wants to use a file-level encryption method that does not require a separate partition and can be mounted by a non-root user. Which method should be used?
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