201-450 Exam Training Practice Tests (Lpi LPIC-2 Exam 201, Part 1 of 2, version 4.5)]

Question 1

A database application requires a maximum shared memory segment (shmmax) of 2GB (2147483648 Bytes).
Which configuration file should be modified, to set this kernel parameter permanently? Please enter the complete path to the file.

Correct Answer:

/etc/sysctl.conf

Question 2

Which of the following commands creates a Btrfs subvolume named volume in/mnt?

A. btrfs subvolume add -n volume /mnt B. btrfs subvolume new volume /mnt C. btrfs subvolume create /mnt/volume D. btrfs-subvolume create /mnt/volume E. btrfs create subvolume /mnt volume

Correct Answer: C

Question 3

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

A. ipv6 B. src C. host D. dst E. ip

Correct Answer: B,C,D

Question 4

A new kernel version needs to be compiled to use a new feature. If the old kernel configuration file is available, which make target creates a configuration file for the new kernel based on the configuration of the old kernel?

Correct Answer:

oldconfig, make oldconfig

Question 5

Which hdparm command-line options will set an IDE hard disk to use both DMA and 32-bit I/O support?

A. -d 1 -c 1 B. -L 1 -i 1 C. -p 1 -A 1 D. -f -g E. -L 1 -i 32

Correct Answer: A

Question 6

The server has two network cards. The driver for the first card is the module 8139too and the driver for the second card is the module ne2k-pci. How is it possible to ensure that the card using the 8139too driver is detected before the card using the ne2k-pci driver?

A. install mod 8139too; install mod ne2k-pci B. modprobe 8139too dev=eth0; modprobe ne2k-pci dev=eth1 C. modprobe 8139too; modprobe ne2k-pci D. ifconfig modadd eth0=8139too, eth1=ne2k-pci E. modprobe eth0=8139too, eth1=ne2k-pci

Correct Answer: B

Question 7

What is a significant difference between host and zone keys generated by dnssec-keygen?

A. Host keys must always be generated if DNSSEC is used; zone keys are optional B. Zone key files contain a public and private key. C. Host keys files contain a public and private key. D. Zone keys must always be generated if DNSSEC is used; host keys are optional E. There is no difference.

Correct Answer: B

Question 8

A machine is running in single user mode and, as such, not all file-systems are accessible. What command must be run to make all of the other file-systems listed in /etc/fstab accessible?

A. mountfs --all B. mount --all C. mountfs -a D. mount -a

Correct Answer: D

Question 9

Which RAID level provides the most redundancy?

A. RAID1 B. RAID4 C. RAID5 D. RAID0

Correct Answer: A

Question 10

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

A. To avoid other operating systems overwriting the Linux root partition. B. To avoid writing to the disk, unless the root password is known. C. Because this way crackers cannot collect information about root with boot sniffers. D. Because the disk has its own write protection that cannot be changed by the operating system. E. Because if problems with the root file system are detected during the boot, fsck can be run, without risk of damage.

Correct Answer: E

Question 11

Which pseudo-file contains information on the status of software RAID devices?

A. /proc/mdstat B. /proc/raid/status C. /proc/raidstat D. /proc/mdstatus E. /proc/raidstatus

Correct Answer: A

Question 12

A Linux server is running in single user mode for regular maintenance. Which commands are used to restore the server to its usual runlevel? (Choose TWO correct answers.)

A. sync B. shutdown -r now C. telinit 0 D. shutdown -h now E. reboot

Correct Answer: B,E

Lpi LPIC-2 Exam 201, Part 1 of 2, version 4.5 - 201-450 Exam Practice Test