Linux Foundation Certified SysAdmin (LFCS) Sample Questions
The Linux Foundation Certified System Administrator (LFCS) has been created for applicants looking to approve their Linux framework system administration skill-set. LFCS was created by The Linux Foundation to assist with fulfilling the rising need for Linux organization ability. The test comprises of execution put together things that recreate with respect to the-gig undertakings and situations looked at by sysadmins in reality. Candidates can choose either Ubuntu 18 or CentOS 7.
Linux Foundation Certified SysAdmin (LFCS) test has been utilized to work capably to configure, introduce, design, and deal with a system installation. They will have a comprehension of key ideas, for example, organizing, capacity, security, upkeep, logging and checking, application lifecycle, investigating, API object natives, and the capacity to lay out fundamental use-cases for end clients.
Let us begin with some of the important sample questions that will definitely help you with your preparation and give you a better understanding of all the topics.
1.) Which SysV init configuration file ought to be changed to disable the ctrl-alt-delete key blend?
A. /proc/keys
B. /etc/keys
C. /proc/inittab
D. /etc/inittab
E. /etc/reboot
Right Answer: D
2.) During a system boot cycle, what program is executed after the BIOS finishes its jobs?
A. The bootloader
B. The inetd program
C. The init program
D. The Kernel
Right Answer: A
3.) Which run levels ought to never be proclaimed as the default run level while utilizing SysV init? (Pick TWO right responses.)
A. 0
B. 1
C. 3
D. 5
E. 6
Right Answer: AE
4.) Which of the accompanying assertions is right while talking about/proc/?
A. All changes to records in/proc/are put away in/and so on/proc.d/and reestablished on reboot.
B. All documents inside/proc/are perused just and their items can’t be changed.
C. All changes to documents in/proc/are promptly perceived by the kernel.
D. All files inside/proc/are just coherent by the root user.
Right Answer: C
5.) What of the accompanying assertions is valid with respect to/dev/while utilizing udev?
A. Passages for all potential gadgets get made on the boot regardless of whether those gadgets are not associated.
B. Extra guidelines for udev can be made by adding them to/and so on/udev/rules.d/.
C. While utilizing udev, it is preposterous to expect to make a block or character gadgets in/dev/utilizing mknod.
D. The/dev/catalog is a filesystem of type tmpfs and is mounted by udev during framework startup.
E. The substance of/dev/is put away in/and so on/udev/dev and is reestablished during framework startup.
Right Answer: BD
6.) Which of the accompanying data is put away inside the BIOS? (Pick TWO right responses.)
A. Hardware configuration
B. Linux kernel version
C. Timezone
D. Boot device order
E. The system’s hostname
Right Answer: AD
7.) Which of the accompanying orders reboots the framework while utilizing SysV init? (Pick TWO right responses.)
A. shutdown – r now
B. shutdown – r “rebooting”
C. telinit 6
D. telinit 0
E. shutdown – k currently “rebooting”
Right Answer: AC
8.) Which of coming up next are init frameworks utilized inside Linux frameworks? (Pick THREE right responses.)
A. startd
B. systemd
C. Upstart
D. SysInit
E. SysV init
Right Answer: BCE
9.) What data can the lspci order show about the framework equipment? (Pick THREE right responses.)
A. Device IRQ settings
B. PCI bus speed
C. System battery type
D. Ethernet MAC address
E. Device vendor identification
Right Answer: ABE
10.) Which of the accompanying orders brings a framework running SysV init into a state where it is protected to perform upkeep errands? (Pick TWO right responses.)
A. shutdown – R 1 now
B. shutdown – single now
C. init 1
D. telinit 1
E. runlevel 1
Right Answer: CD
15.) What is the primary program that is generally begun, at boot time, by the Linux part while utilizing SysV init?
A. /lib/init.so
B. /sbin/init
C. /etc/rc.d/rcinit
D. /proc/sys/bit/init
E. /boot/init
Right Answer: B
16.) Which of the accompanying orders will compose a message to the terminals of all signed-in users?
A. bcast
B. mesg
C. print
D. yell
E. wall
Right Answer: E
17.) Which of the accompanying kernel parameters educates the kernel to stifle most boot messages?
A. quiet
B. verbose=0
C. nomesg
D. silent
Right Answer: A
18.) Which of the accompanying choices for the bit’s order line changes the systemd boot focus to rescue.target rather than the default target?
A. systemd.target=rescue.target
B. systemd.runlevel=rescue.target
C. systemd.service=rescue.target
D. systemd.default=rescue.target
E. systemd.unit=rescue.target
Right Answer: E
19.) In the wake of altering GNU GRUB’s ]configuration file, which order should be run for the changes to produce results?
A. kill – HUP $(pidof grub)
B. grub-introduce
C. grub
D. No activity is required
Right Answer: D
20.) Which of the accompanying orders is utilized to refresh the rundown of accessible bundles while utilizing the dpkg-based package management?
A. apt-cache update
B. apt-get refresh
C. apt-get update
D. apt-get upgrade
E. apt-cache upgrade
Right Answer: A
