QUESTION 65
Which command reports information on memory usage, paging and block input/output?

QUESTION 66
CORRECT TEXT
Which directory in /dev/disk/ can be used to determine the UUID of a connected hard disk?

QUESTION 67
Which of the following command sequences can be used to extract files contained in a initramfs file (/boot/initramfs) which is used by the kernel at boot time?

QUESTION 68
Which single command will simulate a failed device within a RAID 5 array?

QUESTION 69
Which of the following files are used to resolve hostnames to IP addresses? (Choose TWO correct answers.)

QUESTION 70
CORRECT TEXT
Which command turns an existing ext2 filesystem non-destructively into an ext3 filesystem? (Specify ONLY the command without any path or parameters.)

QUESTION 71
Which option to the update-rc.d command will cause the removal of all symlinks to
/etc/rcX.d/*test2 even when the script /etc/init.d/test2 still exists?

QUESTION 72
On a Linux node with multiple active networks interfaces, each having a default route to the Internet, which default route is preferred?

QUESTION 73
Which file in /proc contains information on the status of local software RAID devices?

QUESTION 74
CORRECT TEXT
The users of the local network complain that name resolution is not fast enough. Enter the command, without the path or any options, that shows the time taken to resolve a DNS query.

QUESTION 75
In case the file containing the Linux kernel is lost, what happens when the system is booting?

QUESTION 76
Which of the following best describes the format of the /etc/fstab file?

QUESTION 77
Why is the root file system mounted read-only during boot and remounted with write permission later on?

QUESTION 78
Which of the following init systems comes along with an own UEFI boot loader?

QUESTION 79
A network client has an ethernet interface (eth0) configured with an IP address in the subnet 192.168.0.0/24. This subnet has a router, with the IP address 192.168.0.1, that connects this subnet to the Internet. What needs to be done on the client to enable it to use the router as its default gateway? (Choose TWO correct answers.)

QUESTION 80
Fill in the blank.
The users of the local network complain that name resolution is not fast enough. Which command shows the time taken to resolve a DNS query? (Specify the command without path.)

QUESTION 81
In the following output from top, which processes contribute to the percentage of time that the CPU spends in the state of wa?
Tasks: 193 total, 1 running, 190 sleeping, 2 stopped, 0 zombie
Cpu(s): 0.5%us, 0.3%sy, 0.0%ni, 98.2%id, 1.0%wa, 0.0%hi, 0.0%si, 0.0%st

QUESTION 82
Which of the following properties should be recorded in order to monitor the quality of a network link? (Choose two.)

QUESTION 83
What option in the collectd configuration file is required in order to define what to start monitoring?

QUESTION 84
Which command is used to install a GRUB boot loader into the master boot record?

QUESTION 85
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?

QUESTION 86
A Linux server running systemd booted to rescue.targetfor maintenance. Which commands are used to restore the server to its usual target? (Choose two.)

QUESTION 87
Which command will report information on memory usage, paging and block input/output?

QUESTION 88
Which of the following commands shows capabilities and usable frequencies for the wireless interface wlan0?