What information is found in the following excerpt from the file /proc/mdstat? (Choose two.)
Which command is used to make an exact copy, at a single point in time, of a logical volume while still allowing the original logical volume to be updated?
On a Linux node with multiple active networks interfaces, each having a default route to the Internet, which default route is preferred?
Where is the LILO boot loader code typically installed on a system with only a single Linux installation and no other operating systems?
If all of the following files and/or symlinks exist in a SysV-init runlevel directory, which of the following will be executed first when booting the system directly into the runlevel?
What is the functionality that PXE provides?
In the below example output, which columns detail the percent of time the CPU spent running non-kernel code and the percent of time the CPU spent running kernel code? (Choose TWO correct answers.)
# vmstat 1 100
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0
Which of the following commands will provide the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system?
In the following output, what is the 5 minute load average for the system?
# uptime
12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31
Which directory in /dev/disk/ can be used to determine the UUID of a connected hard disk?
Consider the following /etc/fstab file:
/dev/hda1 swap swap defaults 0 0
/dev/hda2 / ext2 defaults 1 1
/dev/hda3 /home ext2 defaults 1 2
none /proc proc defaults 0 0
/dev/sdb1 /media/usb0 vfat user,noauto 0 0
What is one of the possible commands that an ordinary (non-root) user can use to mount the /dev/sdb1 partition on the /media/usb0 mount point? (Please enter the command with all parameters and/or options but without any file system type options.)
Due to extreme system use, a Linux system requires some additional swap space. To initialize 5GB of additional swap space, which combination of commands should be used?
According to the Filesystem Hierarchy Standard (FHS), what is the path to the Linux kernel source and may be a symbolic link to the real Linux source code? (Please specify the full path with no version information.)
Which archive format is used to create an initramfs image?
Which directory contains the system-specific udev rule files? (Specify the absolute path including the directory name)
Which directory in /dev/disk/ can be used to determine the UUID of a connected hard disk?
What command is used to make an exact copy, at a single point in time, of a logical volume for backup purposes?
What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.)
The following command has just been run successfully:
cd /opt; tar xvf /dev/nst0;
What will happen if the command sequence is run again?
Which file contains the message that is displayed above the login prompt of the system console? (Specify the full name of the file, including path.)
Which of the following commands will erase the contents of the /dev/sdb3 partition?
Which program lists information about files and network connections opened by processes? (Specify ONLY the command without any path or parameters.)
Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24? (Select TWO answers)
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
203.0.113.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 203.0.113.162 0.0.0.0 UG 0 0 0 ppp0
What should be done after updating the configuration file for syslogd in order to make the changes become effective? (Choose TWO correct answers.)
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