EMT Practice Test

1. Question Content...

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Question1: On a server running the 3.4.50-11 Linux kernel, which file in the /boot directory contains the kernel configuration parameters?

Question2: The following command has just been run successfully:
Cd /opt; tar xvf /dev/nst0;
What will happen if the command sequence is run again?

Question3: Which commands below are useful to collect data about remote filesystem connections? (Choose two.)

Question4: Which of the following is a CD-ROM filesystem standard?

Question5: After the downloading patch-4.6.4.xz from http://kernel.org, what are the next steps to prepare the build of a version 4.6.4 Linux kernel? (Choose two.)

Question6: Which of the following commands creates a Btrfs subvolume named volumein/mnt?

Question7: In the following output of the command uptime, the load averages represent the system load averages for what time frames?
12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31

Question8: In order to gather performance data with sar over a longer period of time, which command should be run periodically from cron?

Question9: How is the source code for the main Linux kernel modules distributed?

Question10: What is the purpose of the command udevadm monitor?

Question11: What is the purpose of an initramfs during the Linux system start?

Question12: Which of the following commands erases the contents of the /dev/sdb3partition?

Question13: The following is an excerpt from the output of tcpdump -nli eth1:

Which network service or protocol was used?

Question14: Which of the following files will be looked for and used by GNU make, if one of them exists, unless a different file is specified on the command line when trying to compile software from source code? (Choose two.)

Question15: Which of the following configuration files are used by tcpwrapper?

Question16: What is the minimum number of disks required in a fully redundant RAID5 array?

Question17: Which of the filter keywords below could be used in the following command:
tcpdump -i eth0 ____________ 203.0.113.8
(Choose three.)

Question18: On a Linux node with multiple active networks interfaces, each having a default route to the Internet, which default route is preferred?

Question19: Which of the following commands adds a static IPv6 address to the network interface eth0?

Question20: Which of the following init systems comes along with an own UEFI boot loader?

Question21: Which of the following properties should be recorded in order to monitor the quality of a network link?
(Choose two.)

Question22: A Linux server running systemd booted to rescue.targetfor maintenance. Which commands are used to restore the server to its usual target? (Choose two.)

Question23: What action should be performed after increasing the size of a logical volume?

Question24: Which of the following commands lists IPv4 addresses and MAC addresses of network nodes that the local system has seen on its directly connected IP networks?

Question25: A regular user has just run
./configure && make && make install
to build and install a program. However, the installation fails. What could be done to install the program?
(Choose two.)

Question26: How can the label rootbe added to the ext4 filesystem on /dev/sda1?

Question27: Which of the following commands shows capabilities and usable frequencies for the wireless interface wlan0?

Question28: After manually compiling and installing a new kernel, what has to be done regarding the initramfs?

Question29: Which of the following is a userspace application used to modify EFI entries on a Linux system?

Question30: Which sub command to crypsetupshows information about an encrypted LUKS partition?

Question31: Which of the following commands by default provides the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system?

Question32: What effect does the -foption to the update-rc.dcommand have on files in the /etc/rcX.d/and / etc/init.d/directories?

Question33: What information is found in the following excerpt from the file /proc/mdstat? (Choose two.)

Question34: Which of the following commands restores only those files containing lpiin their name from the archive lpifiles.tar.gz?

Question35: A web application server contains 64GB of RAM and two swap partitions on normal hard disk drives, each with a size of 64 GB. Within the last month, the average number of user sessions on this server has grown by 20 percent. At the same time, the average usage of RAM increased from 65 to 75 percent, while the swap space is almost not used at all. It is expected that the number of user sessions will continue to increase by about 15 to 20 percent each month. Which of the following reactions would be appropriate in response to these observations? (Choose two.)

Question36: 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?