Question 1

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?

Accepted Answer

The answer of After the downloading patch-4.6.4.xz from http://kernel.org, what...

Question 2

Fill in the blank. After installation of a self-compiled kernel, modules that need to be loaded cannot be found. What make target was likely missed while installing the kernel? (Specify ONLY the make target without any command or parameters.)

Accepted Answer

The answer of Fill in the blank. After installation of...

Question 3

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

Accepted Answer

The file containing the kernel configuration parameters is typically named "config-" followed by the version number, such as "config-3.4.50-11".

Question 4

What is the purpose of the command udevadm monitor?

Accepted Answer

The command `udevadm monitor` listens to kernel events and udev events, providing information about device activities to the console.

Question 5

Which of the following commands displays the physical path of the kernel module named dummy ?

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The answer of Which of the following commands displays the...

Question 6

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

Accepted Answer

The command "iw phy phy0 info" provides detailed information about the wireless capabilities and usable frequencies of the wireless interface, which is what is being asked.

Question 7

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

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The answer of Which of the following commands adds a...

Question 8

The following is an excerpt from the output of tcpdump -nli eth1 :  Which network service or protocol was used?

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The answer of The following is an excerpt from the...

Question 9

Which of the following parameters instructs the kernel at boot time to use only one of the available processors?

Accepted Answer

The "maxcpus=1" parameter is used to limit the number of processors the kernel uses at boot time to just one.

Question 10

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?

Accepted Answer

The "top" command by default displays a list of processes sorted by CPU usage, showing the most CPU-intensive processes at the top.

Question 11

What information is found in the following excerpt from the file /proc/mdstat ?

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The answer of What information is found in the following...

Question 12

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

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The answer of After manually compiling and installing a new...

Question 13

What should be done to ensure a client machine uses the recursive nameserver running on the IP address 192.168.0.1?

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The answer of What should be done to ensure a...

Question 14

Which of the following configuration files are used by tcpwrapper?

Accepted Answer

Tcpwrapper uses the configuration files /etc/hosts.allow and /etc/hosts.deny to control access to network services.

Question 15

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

Accepted Answer

In Linux, the default route with the lowest metric value is preferred because the metric is used to determine the cost of a route; lower values indicate more preferred routes.

Question 16

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?

Accepted Answer

The "arp" command is used to display and manipulate the ARP (Address Resolution Protocol) cache, which includes IPv4 addresses and their corresponding MAC addresses.

Question 17

Which single command simulates a failed device within a RAID 5 array?

Accepted Answer

The command "mdadm --fail" is used to simulate a failed device in a RAID array.

Question 18

A system has one hard disk and one CD writer which are both connected to SATA controllers. Which device represents the CD writer?

Accepted Answer

In Linux, CD/DVD writers connected via SATA are typically represented as /dev/sr0, where "sr" stands for SCSI CD-ROM.

Question 19

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

Accepted Answer

In Linux, the default route with the lowest metric value is preferred because the metric value is used to determine the cost of a route; lower values indicate more preferred routes.

Question 20

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

Accepted Answer

The source code for the main Linux kernel modules is included with the Linux kernel source code. When you download the Linux kernel source, it contains the code for both the core kernel and its modules.

Exam 7: LPIC-2 Exam 201