Master 2021 Latest The Questions LPIC 2 and Pass 201-450 Real Exam!
Penetration testers simulate 201-450 exam PDF
NEW QUESTION 74
After changing the default runlevel in the SysV-init configuration file, the system boots in a different than intended runlevel. Where else could this different runlevel be defined?
- A. In the /etc/rc.d/rc.local file
- B. In the /boot/initramfs file
- C. In the boot loader configuration file
- D. In the /etc/runlevel file
- E. In the /etc/sysctl.conf
Answer: C
NEW QUESTION 75
If the file containing the Linux kernel is deleted, what happens when the system boots?
- A. Without a kernel system cannot boot and, depending on the bootloader, an error is displayed
- B. The bootloader mounts the root filesystem read-only and launches /bin/sh directly in order to allow the administrator to reinstall the kernel
- C. The system starts normally since the bootloader copies the kernel to the master boot record of the hard disk
- D. Instead of the kernel, the initramfs is loaded and instructed to mount the root filesystem and reinstall the kernel from the original package or from source
Answer: A
NEW QUESTION 76
Which of the following commands displays the physical path of the kernel module named dummy?
- A. modinfo -n dummy
- B. modpath -v dummy
- C. modshow -p dummy
- D. depmod -n dummy
- E. modprobe -i dummy
Answer: E
NEW QUESTION 77
The following command has just been run successfully:
Cd /opt; tar xvf /dev/nst0;
What will happen if the command sequence is run again?
- A. An error saying that there is no tape present is generated because the tape has been ejected after being used
- B. The contents of /opt will be restored again
- C. The entire contents of /opt will be replaced with the contents of the next file on the tape
- D. The contents of /optwill have additional content added from the next file on the tape
Answer: D
NEW QUESTION 78
Which of the following init systems comes along with an own UEFI boot loader?
- A. Upstart
- B. launchd
- C. SysVinit
- D. OpenRC
- E. systemd
Answer: E
NEW QUESTION 79
Fill in the blank.
Which directory contains system-specific systemd unit files? (Specify the full path to the directory.)
Answer:
Explanation:
/lib/systemd/system
NEW QUESTION 80
How can the label root be added to the ext2 filesystem on /dev/sda1?
- A. echo 'root' > /proc/fs/sda1/label
- B. tune2fs -L root /dev/sda1
- C. relabel /dev/sda1 root
- D. labelfs --device /dev/sda1 root
Answer: B
NEW QUESTION 81
What is incorrect about these entries in /etc/hosts which could be causing host name lookup problems with host2?
host1 192.168.1.12
host2 192.168.1.12
- A. host2 is not a fully qualified domain name.
- B. The fields are out of order.
- C. Two host names are using the same IP address.
- D. The server doing the query is on a different subnet.
Answer: B
NEW QUESTION 82
CORRECT TEXT
Which directory contains system-specific systemd unit files? (Specify the full path to the directory.)
Answer:
Explanation:
/lib/systemd/system
NEW QUESTION 83
Which of the following init systems comes along with an own UEFI boot loader?
- A. Upstart
- B. launchd
- C. SysVinit
- D. OpenRC
- E. systemd
Answer: E
Explanation:
Explanation
NEW QUESTION 84
Which of the filter keywords below could be used in the following command:
tcpdump -i eth0 ____________ 203.0.113.8
(Choose three.)
- A. host
- B. ip
- C. ipv6
- D. src
- E. dst
Answer: A,D,E
Explanation:
Explanation/Reference:
NEW QUESTION 85
What component of a system does smartdmonitor?
- A. Ethernet traffic
- B. CPU
- C. RAM
- D. Hard drives
Answer: D
NEW QUESTION 86
In this example output, which descriptions match the purpose of the free, buff and cache columns? (Choose THREE correct answers.)
# vmstat 1 100
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0
- A. Available free RAM
- B. RAM used for filesystem cache
- C. Used swap space
- D. RAM used for buffers
- E. RAM available for filesystem buffers
Answer: A,B,D
NEW QUESTION 87
CORRECT TEXT
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 88
CORRECT TEXT
What is the full path to the directory which contains the scripts (or links to the original scripts) to run while the system boots to SysV-init runlevel 2?
Answer:
Explanation:
/etc/rc2.d, /etc/rc2.d/, /etc/init.d/rc2.d, /etc/init.d/rc2.d/
NEW QUESTION 89
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