[Mar 10, 2024] Download Free Lpi 201-450 Real Exam Questions
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NEW QUESTION # 97
In which directory tree are files modified when changing kernel parameters using the command sysctl?
- A. /lib/sys/
- B. /proc/sys/
- C. /sys/kernel/
- D. /proc/kernel/
- E. /sys/proc/
Answer: B
NEW QUESTION # 98
Under which of the following circumstances would the command ping output the string (DUP!)?
- A. When the host being sent ICMP packets is on a different network.
- B. When the router responds to the ICMP packet in addition to the host receiving the ICMP packets.
- C. When the host sending the ICMP packet is the same host as the one receiving the ICMP packets.
- D. When the ICMP packets are send to a broadcast address and multiple hosts respond.
Answer: D
NEW QUESTION # 99
Which command is used to install a GRUB boot loader into the master boot record?
- A. grub-install-mbr
- B. grub-mbr-setup
- C. grub-install
- D. grub-glue-mbr
- E. grub-mkconfig
Answer: C
NEW QUESTION # 100
What is the main template file used by autofs?
- A. auto.master
- B. auto.conf
- C. autofs.master
- D. default.maps
Answer: A
NEW QUESTION # 101
Fill in the blank.
What command ensures that the file systems are written to disk after a lot of write operations? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
sync
NEW QUESTION # 102
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?
- A. ipadm
- B. iwlist
- C. ifconfig
- D. arp
Answer: D
NEW QUESTION # 103
What information is found in the following excerpt from the file /proc/mdstat? (Choose two.)
- A. One of the disks in /dev/md0 has failed and a spare disk is used to recreate full redundancy
- B. The spare disk /dev/sda1 is used to restore full redundancy after the current recovery
- C. The information [UU_] means, that the raid is missing one disk and is not fully redundant
- D. The device is using version 1.2 metadata to allow LILO and GRUB Legacy to use
/dev/md0 as the boot partition. This would not have been necessary with GRUB2 - E. The information [3/2] means that 3 RAID disks belong to the array and 2 disks are spare.
Together they equal the number of available disks
Answer: A,C
NEW QUESTION # 104
A regular user, joe, 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 correct answers.)
- A. Install the binaries manually with suinstall.
- B. Run make install with root privileges.
- C. Do not run ./configure in order to maintain the default configuration for correct installation.
- D. Run make install_local to install into /usr/local/.
- E. Rerun ./configure with a --prefix option where the user has permissions to write.
Answer: B,E
NEW QUESTION # 105
What is the minimum number of disks required in a fully redundant RAID5 array?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: C
NEW QUESTION # 106
Which commands below are useful to collect data about remote filesystem connections? (Choose two.)
- A. fsiostat
- B. pidstat
- C. nfsiostat
- D. sadf
- E. cifsiostat
Answer: C,E
NEW QUESTION # 107
CORRECT TEXT
Which file tells GRUB the paths of the filesystem partitions in both Linux format and in the GRUB syntax? (Specify the file name only with no path information)
Answer:
Explanation:
device.map
NEW QUESTION # 108
In the following output, 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
- A. 15, 30 and 60 seconds
- B. 1, 15 and 30 minutes
- C. 15, 30 and 60 minutes
- D. 1, 5 and 15 minutes
- E. 1, 15, and 30 seconds
Answer: D
NEW QUESTION # 109
On a server running the 3.4.50-11 Linux kernel, which file in the /boot directory contains the kernel configuration parameters?
- A. vmlinuz-3.4.50-11
- B. rc.config-3.4.50-11
- C. config-3.4.50-11
- D. system-3.4.50-11
- E. config-linux-3.4.50-11
Answer: C
NEW QUESTION # 110
Which of the filter keywords below could be used in the following command:
tcpdump -i eth0 ____________ 203.0.113.8 (Choose three.)
- A. ip
- B. ipv6
- C. dst
- D. src
- E. host
Answer: C,D,E
NEW QUESTION # 111
Which of the filter keywords below could be used in the following command:
tcpdump -i eth0 ____________ 203.0.113.8
(Choose three.)
- A. ip
- B. ipv6
- C. dst
- D. src
- E. host
Answer: C,D,E
NEW QUESTION # 112
How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)
- A. sysctl shmmax=2147483648
- B. export kernel.shmmax=2147483648
- C. Edit /etc/shmmax and set the parameter to 2147483648.
- D. echo 2147483648 > /proc/sys/kernel/shmmax
- E. sysctl kernel.shmmax=2147483648
Answer: D,E
NEW QUESTION # 113
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?
- A. -f
- B. -n
- C. -d
- D. -r
Answer: A
NEW QUESTION # 114
CORRECT TEXT
Which command is used to unload a single module currently loaded by the kernel without unloading any modules that it depends upon? (Specify the command with or without path information)
Answer:
Explanation:
rmmod, /sbin/rmmod
NEW QUESTION # 115
Fill in the blank.
What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
vgreduce
NEW QUESTION # 116
What is the purpose of the command vgextend?
- A. Add physical volumes to an existing volume group.
- B. Increase the number of days between scheduled error checking.
- C. Extend a volume group's footprint on disk.
- D. Create a volume group which uses all available space on disk.
Answer: A
NEW QUESTION # 117
Fill in the blank.
Which is the main configuration file for the SystemV init process? (Specify the full name of the file, including path.)
Answer:
Explanation:
/etc/inittab
NEW QUESTION # 118
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.)
- A. Run make install with root privileges
- B. Rerun ./configurewith a --prefix option where the user has permissions to write
- C. Install the binaries manually with suinstall
- D. Do not run ./configurein order to maintain the default configuration for correct installation
- E. Run make install_local to install into /usr/local/
Answer: A,B
NEW QUESTION # 119
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