LPIC-1 Linux Installation and Package Management Practice Question
This LPIC-1 practice question tests your understanding of linux installation and package management. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An administrator needs to install apache2 version 2.4.41-4ubuntu3.4 from the security repository to ensure the latest security patches. Based on the exhibit, which command should they use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Why wrong: This syntax is incorrect for specifying a version. apt does not support a '/' to denote repository; it would be interpreted as a package name including a slash.
B
apt-get install -t focal-security apache2
Why wrong: The '-t' option sets the target release, but it will install the candidate version from that release, not necessarily the specific version 2.4.41-4ubuntu3.4. The candidate might be a different version in that release.
C
apt-get install apache2 2.4.41-4ubuntu3.4
Why wrong: This command attempts to install two packages: 'apache2' and '2.4.41-4ubuntu3.4', which is not a valid package name. The correct syntax requires an equals sign between the package name and version.
D
apt-get install apache2=2.4.41-4ubuntu3.4
This command correctly specifies the exact version using the '=' syntax, which apt will install from the appropriate repository (security in this case) because the version is present there.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
apt-get install apache2=2.4.41-4ubuntu3.4
Option D is correct because the `apt-get install apache2=2.4.41-4ubuntu3.4` command explicitly pins the package to the exact version number, ensuring that the specified version from the security repository is installed. This syntax is the standard way to install a specific package version in APT, overriding the default candidate version.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 install apache2/focal-security
Why it's wrong here
This syntax is incorrect for specifying a version. apt does not support a '/' to denote repository; it would be interpreted as a package name including a slash.
✗
apt-get install -t focal-security apache2
Why it's wrong here
The '-t' option sets the target release, but it will install the candidate version from that release, not necessarily the specific version 2.4.41-4ubuntu3.4. The candidate might be a different version in that release.
✗
apt-get install apache2 2.4.41-4ubuntu3.4
Why it's wrong here
This command attempts to install two packages: 'apache2' and '2.4.41-4ubuntu3.4', which is not a valid package name. The correct syntax requires an equals sign between the package name and version.
✓
apt-get install apache2=2.4.41-4ubuntu3.4
Why this is correct
This command correctly specifies the exact version using the '=' syntax, which apt will install from the appropriate repository (security in this case) because the version is present there.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the `-t` option (which sets a target release) with the version pinning syntax, or they mistakenly use a space instead of an equals sign when specifying a version, leading to an invalid command.
Trap categories for this question
Command / output trap
This command attempts to install two packages: 'apache2' and '2.4.41-4ubuntu3.4', which is not a valid package name. The correct syntax requires an equals sign between the package name and version.
Detailed technical explanation
How to think about this question
Under the hood, APT uses a version comparison algorithm based on Debian policy (e.g., `dpkg --compare-versions`) to determine the candidate version. The `apt-get install package=version` syntax forces APT to select that exact version from the available repositories, bypassing the normal candidate selection logic. In real-world scenarios, this is critical for applying a specific security patch without upgrading to a newer minor version that might introduce regressions.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Linux Installation and Package Management — This question tests Linux Installation and Package Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: apt-get install apache2=2.4.41-4ubuntu3.4 — Option D is correct because the `apt-get install apache2=2.4.41-4ubuntu3.4` command explicitly pins the package to the exact version number, ensuring that the specified version from the security repository is installed. This syntax is the standard way to install a specific package version in APT, overriding the default candidate version.
What should I do if I get this LPIC-1 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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