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Correct Answer: D

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To create a snapshot use

sudo btrfs subvolume snapshot /mnt/@ /mnt/@_snapshot

this will create a snapshot of the @ subvolume named @_snapshot located also in the top of the btrfs tree.

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btrfs subvolume snapshot [/]

Create a writable snapshot of the subvolume with the name in the directory.

Correct Answer: C

The system-config-network-tui and system-config-network commands start a text-based network

configuration tool.

Navigate using the "tab", "arrow" and "return" keys. The "Device configuration" option gives a list of

network devices.

Selecting the device allows you to edit the adapter's network configuration, which is saved to the "/etc/

sysconfig/network-scripts/ifcfg-eth0" file.

The "DNS configuration" option on the first screen allows you to modify the configuration in the "/etc/

sysconfig/network" and "/etc/resolv.conf" files.

Correct Answer: CD

C: Ether parameter:

The most common use of this parameter is to force probing for a second ethercard, as the default is to only

probe for one (with 2.4 and older kernels). This can be accomplished with a simple:

ether=0,0,eth1

Note:

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rhgb stands for redhat graphical boot. This is a GUI mode booting screen with most of the information hidden.

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quiet parameter hides the majority of the boot messages before rhgb starts.