Which of the following tasks are handled by a display manager like XDM or KMD? (Choose two.)
Correct Answer: D,E
Question 122
What is true about the file .profile in a user's home directory?
Correct Answer: E
Question 123
Which of the following is true about IPv6?
Correct Answer: B
Broadcast addresses are used to send a message to all devices on a network segment. IPv4 supports broadcast addresses, but IPv6 does not. Instead, IPv6 uses multicast addresses, which are used to send a message to a group of devices that have joined a multicast group. Multicast addresses are more efficient and flexible than broadcast addresses, as they allow the sender to specify the recipients more precisely and avoid unnecessary network traffic. IPv6 also supports anycast addresses, which are used to send a message to the nearest device that provides a specific service. Anycast addresses are useful for load balancing and redundancy. References: * [LPI Linux Administrator - Exam 102 Objectives - Topic 109: Networking Fundamentals] * IPv6 - Features - Online Tutorials Library * IPv6 - Wikipedia
Question 124
Which of the following are tasks handled by a display manager like XDM or KDM? (Choose TWO correct answers.)
Correct Answer: A,C
The tasks that are handled by a display manager like XDM or KDM are to start and prepare the desktop environment for the user and to handle the login of a user. A display manager is a software component that manages the graphical user interface of an operating system. It provides a login screen where the user can enter their credentials and choose their preferred desktop environment or window manager. After the user is authenticated, the display manager launches the selected desktop environment or window manager and sets up the graphical session. The display manager also handles the logout, shutdown, and reboot of the system. The other options are incorrect because they are not tasks handled by a display manager: * B. Configure additional devices like new monitors or projectors when they are attached. This task is handled by the X server, which is the core component of the X Window System. The X server is responsible for communicating with the hardware devices, such as the keyboard, mouse, monitor, and graphics card. The X server can detect and configure new devices dynamically using tools like xrandr or xorg.conf. * D. Lock the screen when the user was inactive for a configurable amount of time. This task is handled by the screensaver program, which is a utility that runs in the background and activates when the user is idle for a certain period of time. The screensaver can display various animations or images on the screen, or it can blank the screen entirely. The screensaver can also lock the screen and require the user to enter their password to resume the session. The screensaver can be configured by the user using tools like xscreensaver or gnome-screensaver. * E. Create an X11 configuration file for the current graphic devices and monitors. This task is handled by the X server, which is the core component of the X Window System. The X server can create an X11 configuration file, which is a text file that contains the settings for the X server and the devices it communicates with. The X11 configuration file is usually located at /etc/X11/xorg.conf or * /etc/X11/xorg.conf.d/. The X server can generate a default configuration file using the command Xorg -configure, or it can be edited manually by the user or the system administrator. References https://www.baeldung.com/linux/display-managers-explained * https://quizlet.com/185979426/lx0-104-flash-cards/
Question 125
What argument to the -type option of find will match files that are symbolic links? (Specify only the argument and no other options or words.)
Correct Answer:
l Explanation: The -type option of the find command allows you to specify the type of file you want to search for. The argument l (lowercase L) will match files that are symbolic links, which are special files that point to another file or directory. Symbolic links are also known as soft links or symlinks. For example, the command find /home -type l will find all the symbolic links in the /home directory and its subdirectories. References: 1: How do I find all of the symlinks in a directory tree? - Stack Overflow 2: find(1) - Linux manual page - man7.org 3: Symbolic Links (GNU Findutils 4.9.0) 4: Find All Symbolic Links in Linux - Linux Handbook 5: Find all symbolic links with the find command
