LPIC-1 Linux Installation and Package Management Practice Question
A Debian system has some partially installed packages due to a failed installation. Which TWO commands can help resolve the broken dependencies? (Choose exactly two.)
⚠ Common exam trap
Many candidates confuse `apt-get upgrade` or `dist-upgrade` with dependency repair, but only `-f install` and `dpkg --configure -a` are the correct tools for fixing broken dependencies from a failed installation.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
apt-get -f install
The `apt-get -f install` command (option A) is specifically designed to fix broken dependencies by attempting to correct a system with unsatisfied dependencies, often by installing missing packages or removing partially installed ones. The `dpkg --configure -a` command (option D) reconfigures any unpacked but not yet configured packages, which is a common state after a failed installation, and can resolve dependency issues by completing the configuration of partially installed packages.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
apt-get -f install
Why this is correct
Fixes broken dependencies.
- ✗
apt-get dist-upgrade
Why it's wrong here
Handles dependencies but may remove packages; not the primary fix.
- ✗
apt-get upgrade
Why it's wrong here
Only upgrades existing packages.
- ✓
dpkg --configure -a
Why this is correct
Configures unpacked but not fully installed packages.
- ✗
apt-get remove --purge
Why it's wrong here
Removes packages, does not fix dependencies.
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