Discover the Power of Linux in Embedded Systems

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Questions and Answers

Which operating system was Linux inspired by?

  • Unix (correct)
  • Mac OS
  • Android
  • Windows

When was the development of Linux started?

  • 1980s
  • 1990s (correct)
  • 1970s
  • 2000s

What is a Linux distribution?

  • A bundle that consists of a Linux kernel and a selection of applications (correct)
  • A company that maintains the Linux kernel
  • A tool for software installation and system administration
  • A user group that maintains the Linux kernel

Which type of cloud service typically offers Linux as part of its offering?

<p>Infrastructure as a Service (IaaS) (C)</p> Signup and view all the answers

What is chosen when starting an IaaS instance in the cloud?

<p>An image (D)</p> Signup and view all the answers

What do cloud providers add to their images to adjust the installation to a specific cloud instance?

<p>Tools (C)</p> Signup and view all the answers

Which package manager is used by distributions of the Debian distribution family?

<p>apt-get (A)</p> Signup and view all the answers

Who launched the Debian GNU/Linux Project?

<p>Ian Murdock (B)</p> Signup and view all the answers

Which Linux distribution is a test-bed for new technologies which might later be included in Red Hat Enterprise Linux?

<p>Fedora (D)</p> Signup and view all the answers

Which Linux distribution is known for its YaST configuration tool?

<p>openSUSE (B)</p> Signup and view all the answers

Which operating system is mainly developed for touchscreen devices, but has also been developed for game consoles, digital cameras, and PCs?

<p>Android (D)</p> Signup and view all the answers

What are the major advantages of Linux over proprietary embedded software?

<p>Cross vendor platform compatibility, development, support, and no license fees (B)</p> Signup and view all the answers

What is the purpose of Raspberry Pi?

<p>To teach young people to learn to program and understand the functionality of computers (D)</p> Signup and view all the answers

Which Linux distribution is customized to be installed on the Raspberry Pi hardware and provides more than 35000 packages optimized for this environment?

<p>Raspbian (C)</p> Signup and view all the answers

Which package management system is used by Debian, Ubuntu, and Linux Mint to install software packages?

<p>dpkg, apt-get, and apt (D)</p> Signup and view all the answers

What are dependencies in the context of software packages?

<p>Auxiliary packages needed by programs (B)</p> Signup and view all the answers

What is the purpose of a package repository in Linux distributions?

<p>To provide a collection of applications available for installation (A)</p> Signup and view all the answers

Which command is used to search for packages and list information about available packages in systems that use DEB packages?

<p>apt-get (D)</p> Signup and view all the answers

Which command is used to install a package in systems that use DEB packages?

<p>apt-get (B)</p> Signup and view all the answers

Which command is used to search for packages and list information about available packages in systems that use RPM packages?

<p>yum (B)</p> Signup and view all the answers

Which command is used to install a package in systems that use RPM packages?

<p>yum (A)</p> Signup and view all the answers

Which scripting language is commonly used on the client side (web browser)?

<p>JavaScript (B)</p> Signup and view all the answers

What is the role of an HTTP server in rendering a web page?

<p>All of the above (D)</p> Signup and view all the answers

Which type of database is the most common?

<p>Relational database (D)</p> Signup and view all the answers

Which protocol is often used to share file systems in networks equipped only with Unix/Linux machines?

<p>NFS (D)</p> Signup and view all the answers

Which office suite was originally released as the open source version of the StarOffice suite?

<p>OpenOffice.org (B)</p> Signup and view all the answers

Which document format is fully open and ISO standardized, and ensures compatibility between operating systems and applications from different vendors?

<p>Open Document Format (C)</p> Signup and view all the answers

Which two office suites have the same basic features and are compatible with Microsoft Office document formats?

<p>OpenOffice/LibreOffice (B)</p> Signup and view all the answers

Which license is LibreOffice released under?

<p>LGPLv3 (D)</p> Signup and view all the answers

Which open source browser is based on Chromium and fully compatible with Google Chrome?

<p>Mozilla Firefox (D)</p> Signup and view all the answers

Which open source image editor can be compared with Adobe Photoshop and is used to create, edit, and save most bitmap files?

<p>GIMP (B)</p> Signup and view all the answers

Which open source vector graphics editor uses SVG as its default format and can be used in flexible layouts of web pages?

<p>Inkscape (D)</p> Signup and view all the answers

Which open source audio editor can be used to filter, apply effects, and convert between many different audio formats?

<p>Audacity (D)</p> Signup and view all the answers

Which protocol is responsible for assigning an IP address to a host when it connects to a network?

<p>DHCP (D)</p> Signup and view all the answers

What is the purpose of a DNS server in a network?

<p>To translate domain names to IP addresses (A)</p> Signup and view all the answers

Why is it important to enable HTTPS when installing ownCloud or Nextcloud on a private server?

<p>To encrypt all connections to the cloud (B)</p> Signup and view all the answers

What makes ownCloud and Nextcloud different from other commercial solutions?

<p>The ability to install them on a private server, free of charge (A)</p> Signup and view all the answers

Which programming language is often used for form validation routines?

<p>JavaScript (D)</p> Signup and view all the answers

Which programming language is known for its flexibility and speed?

<p>C (B)</p> Signup and view all the answers

Which programming language is considered portable and can be executed in different operating systems?

<p>Java (A)</p> Signup and view all the answers

Which programming language is most commonly used for processing text content?

<p>Perl (C)</p> Signup and view all the answers

Which programming languages are commonly used in Linux systems?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of a DNS server in a network?

<p>To convert domain names to IP addresses (D)</p> Signup and view all the answers

What is the difference between compiled and interpreted programming languages?

<p>Compiled languages require a compiler, while interpreted languages don't (A)</p> Signup and view all the answers

Which organization is mainly concerned with licensing issues in the open source community?

<p>Open Source Initiative (OSI) (B)</p> Signup and view all the answers

Which type of licenses contradict the copyleft principle?

<p>BSD licenses (A)</p> Signup and view all the answers

What is the aim of permissive licenses?

<p>To maximize the freedom of software distribution (B)</p> Signup and view all the answers

Which license is an example of a permissive license?

<p>2-Clause BSD License (D)</p> Signup and view all the answers

Which of the following is NOT one of the four essential freedoms that constitute free software?

<p>The freedom to charge any price for the software (B)</p> Signup and view all the answers

According to Richard Stallman, what is the meaning of 'free' in the context of free software?

<p>Free as in 'free speech' (B)</p> Signup and view all the answers

What is the precondition for the freedom to study how the program works and change it as you wish?

<p>The source code must be accessible (A)</p> Signup and view all the answers

Which business model involves a cloud provider running a software on their servers and granting customers access to the application?

<p>Software as a Service (SaaS) (B)</p> Signup and view all the answers

What is the purpose of customer-specific extensions in free software?

<p>To enhance the functionality of the software (D)</p> Signup and view all the answers

What is the role of liability issues in the decision to buy professional services directly from the manufacturer?

<p>To transfer the risks of operation to the manufacturer (C)</p> Signup and view all the answers

Which license allows anyone to edit and distribute a work as long as they name the author?

<p>CC BY (C)</p> Signup and view all the answers

Which license allows the work to be edited and distributed by naming the author, but only under non-commercial conditions?

<p>CC BY-NC (A)</p> Signup and view all the answers

Which license is the most restrictive, allowing distribution with attribution of the author, but only unchanged and under non-commercial conditions?

<p>CC BY-NC-ND (C)</p> Signup and view all the answers

Which business model involves offering free software under a more restrictive or proprietary license to guarantee customers more extensive services?

<p>Dual licensing (C)</p> Signup and view all the answers

Which term is used to describe software that is distributed freely and allows users to modify and distribute their modifications?

<p>Open source software (A)</p> Signup and view all the answers

What is the main difference between free software and open source software?

<p>Free software is developed by a worldwide community, while open source software is developed by individuals and companies (D)</p> Signup and view all the answers

What is the abbreviation FOSS commonly used for?

<p>Free and Open Source Software (C)</p> Signup and view all the answers

Why do conflicts sometimes arise between the free software and open source software movements?

<p>Because they have different goals and motivations (A)</p> Signup and view all the answers

Which organization formulated the GNU General Public License (GPL)?

<p>Free Software Foundation (FSF) (A)</p> Signup and view all the answers

What is the purpose of the copyleft principle in software licenses?

<p>To prevent subsequent restrictions on the software (B)</p> Signup and view all the answers

Why can combining software components licensed under different copyleft licenses be problematic?

<p>Both licenses cannot be transferred to the subsequent product at the same time (B)</p> Signup and view all the answers

What is the role of the Free Software Foundation (FSF) in relation to software licenses?

<p>Formulating licenses and making recommendations (C)</p> Signup and view all the answers

Which of the following is NOT a reason why working with Linux on the desktop was considered hard in the past?

<p>Linux was targeted towards advanced users (C)</p> Signup and view all the answers

Which two major desktop environments are available in the Linux world?

<p>Gnome and KDE (D)</p> Signup and view all the answers

What are the two ways you can interact with a Linux system?

<p>Command line and graphical user interfaces (D)</p> Signup and view all the answers

Which programming language is used by Gnome applications?

<p>C (C)</p> Signup and view all the answers

What is the modular approach of Linux?

<p>Different parts of the system are developed by different projects and developers (B)</p> Signup and view all the answers

Which programming language is used by KDE applications?

<p>C++ (B)</p> Signup and view all the answers

Which application is recommended for presentations on Linux?

<p>LibreOffice Impress (A)</p> Signup and view all the answers

Which open source software can be used to create slide presentations from LaTeX code?

<p>Beamer (C)</p> Signup and view all the answers

What is the default NodeJS package manager?

<p>NPM (C)</p> Signup and view all the answers

Which hypervisor is sponsored by RedHat and is used in public and private cloud setups?

<p>KVM (D)</p> Signup and view all the answers

Which cloud service model allows users to just use a software without worrying about anything else?

<p>SaaS (A)</p> Signup and view all the answers

Which open source password manager stores your passwords in an encrypted file within your file system?

<p>KeePass (C)</p> Signup and view all the answers

Which open source password manager makes use of a cloud server to store your data?

<p>Bitwarden (D)</p> Signup and view all the answers

Which open source password manager allows you to host your own version of their software?

<p>Bitwarden (D)</p> Signup and view all the answers

What is one of the most important things to keep in mind when using a password manager?

<p>Creating a random password for each different service (C)</p> Signup and view all the answers

Which of the following is NOT a common misconception about browsing in private mode?

<p>Private mode provides complete privacy on any computer. (A)</p> Signup and view all the answers

What is one technique for creating a secure password?

<p>Creating a sentence and picking the first letters of each word. (B)</p> Signup and view all the answers

Why is reusing the same password for different services not recommended?

<p>It increases the likelihood of multiple accounts being compromised. (D)</p> Signup and view all the answers

What is a password manager?

<p>A piece of software that encrypts your passwords and usernames. (C)</p> Signup and view all the answers

Which of the following statements about cookies is true?

<p>Cookies are small files that websites can save on your computer to store and retrieve information. (D)</p> Signup and view all the answers

What is the purpose of Do Not Track (DNT) configuration in browsers?

<p>To prevent websites from tracking your online activities. (B)</p> Signup and view all the answers

What is the main purpose of "private" windows in web browsers?

<p>To open a new session that doesn't share any configuration or data from your standard profile. (C)</p> Signup and view all the answers

What is the role of ad networks in cookie tracking?

<p>Ad networks offer ads for e-commerce sites and monetization for websites. (B)</p> Signup and view all the answers

Which method of encryption happens below the filesystem layer?

<p>Block device encryption (C)</p> Signup and view all the answers

Which encryption method stores files and directories in an encrypted form on the host filesystem?

<p>Stacked filesystem (A)</p> Signup and view all the answers

Which encryption method is the de-facto standard for block encryption for Linux systems?

<p>dm-crypt (B)</p> Signup and view all the answers

Which one of the following is an accurate description of GnuPG?

<p>GnuPG is a tool for securing emails and files. (C)</p> Signup and view all the answers

What is the purpose of public-key cryptography in GnuPG?

<p>To encrypt data using a public key. (A)</p> Signup and view all the answers

Why is it important to encrypt your whole disk or partition?

<p>To protect your data from unauthorized access. (C)</p> Signup and view all the answers

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