XK0-006 sample questions

Question 1

True or False: RISC-V is an open-standard instruction set architecture (ISA) based on established reduced instruction set computer principles, which allows organizations to build custom Linux-compatible processors without paying licensing fees.

Accepted Answer

True

Answer

False

Question 2

A Linux engineer is migrating desktop environments from X11 to Wayland. They need to explain the architectural differences to the security team. Which of the following statements ACCURATELY describes a key difference between Wayland and X11?

Accepted Answer

Wayland clients communicate directly with the compositor, eliminating the middleman display server present in X11, which enhances security.

Answer

Wayland uses a client-server architecture over the network, whereas X11 is strictly a local display protocol.

Answer

X11 incorporates the display server and compositor as a single process, while Wayland separates them.

Answer

Wayland requires the use of the xhost command to allow remote graphical applications to render locally.

Question 3

A hardware engineer is troubleshooting a malfunctioning network interface card. They need to remove the current kernel module and load a patched version while ensuring all module dependencies are automatically resolved. Which TWO commands should the engineer use? (Select TWO)

Accepted Answer

modprobe -r

Accepted Answer

modprobe

Answer

rmmod

Answer

insmod .ko

Answer

depmod -a

Question 4

Background:
CorpNet Inc. has deployed a database server running on Rocky Linux. The database resides on an XFS filesystem within a logical volume named 'lv_db' which belongs to the volume group 'vg_data'.

Current Situation:
The database team has reported that the filesystem is 95% full. The system administrator has physically added a new 500GB disk (/dev/sdc) to the server.

Requirements:
The administrator must expand the existing 'lv_db' logical volume and its underlying XFS filesystem dynamically, utilizing the entire new disk without unmounting the volume or causing database downtime.

Which sequence of commands BEST accomplishes this requirement?

Accepted Answer

1. pvcreate /dev/sdc
2. vgextend vg_data /dev/sdc
3. lvextend -l +100%FREE /dev/vg_data/lv_db
4. xfs_growfs /dev/vg_data/lv_db

Answer

1. vgcreate vg_data /dev/sdc
2. lvextend -L +500G /dev/vg_data/lv_db
3. resize2fs /dev/vg_data/lv_db

Answer

1. fdisk /dev/sdc
2. pvcreate /dev/sdc
3. vgextend vg_data /dev/sdc
4. lvresize -r -L +500G /dev/vg_data/lv_db

Answer

1. pvcreate /dev/sdc
2. vgextend vg_data /dev/sdc
3. lvextend -l +100%FREE /dev/vg_data/lv_db
4. resize2fs /dev/vg_data/lv_db

Question 5

A systems architect is designing a storage solution for a high-performance database. They require a Linux filesystem that natively supports Copy-on-Write (CoW) snapshots and subvolumes for efficient backup procedures. Which of the following filesystems provides these features natively?

Accepted Answer

btrfs

Answer

ext4

Answer

xfs

Answer

tmpfs

Question 6

An administrator is configuring a static IP address on an Ubuntu server using Netplan. After modifying the YAML file in /etc/netplan/, the administrator wants to test the configuration and have it automatically revert if connectivity is lost.

The command to test the configuration is: ________

Accepted Answer

netplan try

Answer

netplan apply

Answer

systemctl restart systemd-networkd

Answer

nmcli connection reload

Free XK0-006 sample questions

True or False: RISC-V is an open-standard instruction set architecture (ISA) based on established reduced instruction set computer principles, which allows organizations to build custom Linux-compatible processors without paying licensing fees.

A Linux engineer is migrating desktop environments from X11 to Wayland. They need to explain the architectural differences to the security team. Which of the following statements ACCURATELY describes a key difference between Wayland and X11?

A hardware engineer is troubleshooting a malfunctioning network interface card. They need to remove the current kernel module and load a patched version while ensuring all module dependencies are automatically resolved. Which TWO commands should the engineer use? (Select TWO)

A systems architect is designing a storage solution for a high-performance database. They require a Linux filesystem that natively supports Copy-on-Write (CoW) snapshots and subvolumes for efficient backup procedures. Which of the following filesystems provides these features natively?

An administrator is configuring a static IP address on an Ubuntu server using Netplan. After modifying the YAML file in /etc/netplan/, the administrator wants to test the configuration and have it automatically revert if connectivity is lost. The command to test the configuration is: ________

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