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RHCSA Study Questions with 100% Correct Answers |Verified Latest Update
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RHCSA Study Questions with 100% Correct Answers |Verified Latest Update
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RHCSA Study Questions with 100% CorrectAnswers |Verified Latest Update
Which command shows the current version of RHEL you are using?
a. uname -r
b. cat /proc/rhel-version
c. cat /etc/redhat-release
d. uname -k - ✔✔C
[root@client ~]# cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)
Which command enables you to find the actual version of the kernel that is
used?
a. uname -r
b. uname -v
c. procinfo -k
d. procinfo -l - ✔✔A
[root@client ~]# uname -r
3.10.0-957.12.2.el7.x86_64
What is the name of the process that helps the kernel initializing hardware
devices properly?
a. systemd-udevd
b. hwinit
c. udev
,d. udevd - ✔✔
Where does your system find the default rules that are used for initializing
new hardware devices?
a. /etc/udev/rules.d
b. /usr/lib/udev/rules.d
c. /usr/lib/udev.d/rules
d. /etc/udev.d/rules - ✔✔A
/etc/udev/rules.d
Which command should you use to unload a kernel module, including all of
its dependencies?
a. rmmod
b. insmod -r
c. modprobe -r
d. modprobe - ✔✔c
modprobe -r
Which command enables you to see whether the appropriate kernel modules
have been loaded for hardware in your server?
a. lsmod
b. modprobe -l
c. lspci -k
d. lspci - ✔✔
,Where do you specify a kernel module parameter to make it persistent?
a. /etc/modules.conf
b. /etc/modprobe.conf
c. /etc/modprobe.d/somefilename
d. /usr/lib/modprobe.d/somefilename - ✔✔
Which statements about updating the kernel is not true?
a. The yum update kernel command will install a new kernel and not
update it.
b. The yum install kernel command will install a new kernel and keep the
old kernel.
c. The kernel package should be set as a yum protected package to ensure
that after an update the old kernel is still available.
d. After you have installed a new kernel version, you must run the
grub2-mkconfig command to modify the GRUB 2 boot menu so that is
shows the old kernel and the newly installed kernel.
Fr - ✔✔
What is a tainted kernel? - ✔✔A tainted kernel is a kernel that contains closed source
drivers.
What causes a tainted kernel?
a. A kernel driver that is not available as open source driver
b. A driver that was developed for a different operating system but has
been ported to Linux
c. A driver that has failed.
d. An unsupported driver.
, From - ✔✔A
What is the name of the command that shows kernel events since booting?
a. logger
b. dmesg
c. klogd
d. journald - ✔✔A
dmesg
What file system is the interface to the Linux kernel? - ✔✔The /proc file
system is an interface to the Linux kernel, and it contains files with detailed actual
status information on what is happening on your server
What process is used to initialize hardware? - ✔✔The systemd-udevd process
takes care of loading the appropriate driver and making the hardware device
available.
Show the command you would use to monitor the plugging and unplugging new hardware
devices - ✔✔udevadm monitor
Name the two locations where the system reads the rules files for devices -
✔✔/usr/lib/udev/rules.d - shows how devices are initialized
/etc/udev/rules.d directory - custom rules for the device
Lists currently loaded kernel modules - ✔✔lsmod
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