Practice for the LPI Linux Essentials exam with 13 exam-style practice questions, instant answer reveals, and concise explanations of every correct answer. Topics include: Which of the following is NOT a Linux desktop environment?. Follow @CertPunch and visit certpunch.com for more certification practice exams and study content.
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What you will practice
- Which of the following is NOT a Linux desktop environment?
- Which Linux file type holds a list of files rather than actual data?
- Which of the following can be used to represent the letters A through Q using only lowercase letters?
- What is the main difference between the desktop environments of Windows/Mac OS and Linux?
- What is the maximum amount of memory accessible by a 32-bit operating system?
- Which command shows who is logged on and what they are doing in the system?
Answers and explanations
Tap a question to expand the answer and the exam reasoning. Try to commit to your own pick first.
Q1. Which of the following is NOT a Linux desktop environment?
Answer: C. Dwarf
Dwarf is not a recognized Linux desktop environment, making it the correct choice for an exception question. The exam expects you to easily identify major graphical environments like KDE, XFCE, and GNOME, which are all standard options.
Q2. Which Linux file type holds a list of files rather than actual data?
Answer: C. Directories
Directories act as a special file type that contains a structured list of other files and subdirectories rather than raw data. Regular files hold the actual data, while special files represent hardware devices or sockets.
Q3. Which of the following can be used to represent the letters A through Q using only lowercase letters?
Answer: A. [a-q]
The bracket expression [a-q] matches any single lowercase letter from a through q. Watch out for ranges like [a-qA-Q] which mixes cases, as the prompt specifically asks for lowercase letters only.
Q4. What is the main difference between the desktop environments of Windows/Mac OS and Linux?
Answer: A. Windows/Mac OS each have an inseparable desktop environment while Linux desktop environments are modular
Windows and macOS have inseparable desktop environments, while Linux desktop environments are modular. This modularity allows users to mix and match components according to their preferences.
Q5. What is the maximum amount of memory accessible by a 32-bit operating system?
Answer: C. 4 GB
A 32-bit operating system can theoretically access a maximum of 4GB of memory. If you need to utilize more memory, you must install a 64-bit version of the operating system.
Q6. Which command shows who is logged on and what they are doing in the system?
Answer: B. w
The w command shows exactly who is logged in and lists their current running processes. Do not confuse this with the who command, which merely lists the logged in users without showing their active system activity.
Q7. Which file on a Linux system is modified to set the maximum number of days before a password must be changed?
Answer: B. /etc/shadow
The slash etc slash shadow file stores secure user account data, including password aging details like maximum days between changes. While passwd holds basic user info, shadow manages the actual password policies and restrictions.
Q8. Which of the following statements is TRUE for a Linux distribution used in an enterprise environment?
Answer: B. These distributions contain software versions that have proven to be stable even when they are not the most recent version of the software available
Enterprise distributions prioritize proven software stability over offering the newest features or package versions. Bleeding edge options risk downtime and business interruptions, so administrators rely on older, heavily tested releases.
Q9. You have downloaded a large Linux distribution as an ISO that requires 3 GB of installation files. You want to perform the install from an optical drive. What type of disc should you burn the ISO file onto?
Answer: B. DVD
A standard single-layer DVD provides about four point seven gigabytes of storage capacity, which easily accommodates a three-gigabyte installation image. A standard CD only holds around seven hundred megabytes, making it far too small for modern Linux distribution ISO files.
Q10. What is used as a placeholder for an unknown value in a script, and its value is then calculated or determined when the script is executed?
Answer: A. Variable
A variable acts as a placeholder for dynamically determined values, which are evaluated when the script runs. Functions and pipelines handle execution control or data flow rather than storing specific unknown string values.
Q11. Which of the following is a piece of software that listens for network requests and responds to them?
Answer: A. Apache
Apache HTTPD is a web server daemon that listens for network requests and responds to them. The other choices are entirely fictional software applications designed to act as distractors.
Q12. You have just installed a wireless network adapter in your Linux system, but you cannot connect to the wireless network. What is most likely the problem?
Answer: C. You didn't install the right driver for the device
If a newly installed wireless adapter fails to connect, you likely did not install the right driver. Linux distributions do not always include proprietary drivers out of the box for every hardware device.
Q13. Which of the following files contains a mapping of IP addresses to URLs locally on your Linux machine?
Answer: A. /etc/hosts
The slash etc slash hosts file maps IP addresses to host names locally on the machine. Technically it maps to host names rather than full URLs, but it is the only correct local resolution file provided here.
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