[Oct 07, 2021] 201-450 Dumps Full Questions - Exam Study Guide
LPIC 2 Free Certification Exam Material from TorrentValid with 162 Questions
NEW QUESTION 36
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. export kernel.shmmax=2147483648
- B. sysctl shmmax=2147483648
- C. Edit /etc/shmmax and set the parameter to 2147483648.
- D. sysctl kernel.shmmax=2147483648
- E. echo 2147483648 > /proc/sys/kernel/shmmax
Answer: D,E
NEW QUESTION 37
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 38
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.)
- A. Apply the patch file to the kernel source directory containing kernel version 4.6.3
- B. Use patchto apply the uncompressed patch file to the source directory of any previous kernel version
- C. Uncompress the file using xzto get the uncompressed patch file
- D. Uncompress the file and move the resulting directory to /usr/src/linux
- E. Apply the patch file to the kernel source directory containing kernel version 4.6.0
Answer: B,C
NEW QUESTION 39
When is historical data of resource usage important? (Select THREE correct answers.)
- A. Identifying processes killed during out of memory occurrences.
- B. Troubleshooting a software problem.
- C. Predicting when resources will need to be increased.
- D. Diagnosing capacity problems.
- E. Selecting a computer vendor.
Answer: B,C,D
NEW QUESTION 40
A network client has an ethernet interface (eth0) configured with an IP address in the subnet 192.168.0.0/24. This subnet has a router, with the IP address 192.168.0.1, that connects this subnet to the Internet. What needs to be done on the client to enable it to use the router as its default gateway? (Choose TWO correct answers.)
- A. route add default gw 192.168.0.1 eth0
- B. ip route add default via 192.168.0.1 dev eth0
- C. ifconfig eth0 defaultroute 192.168.0.1
- D. route add defaultgw=192.168.0.1 if=eth0
- E. echo defaultroute 192.168.0.1 >> /etc/resolv.conf
Answer: A,B
NEW QUESTION 41
How is the source code for the main Linux kernel modules distributed?
- A. The kernel modules have their own release cycle and can be maintained separately from the Linux kernel source.
- B. It is provided as a separate download alongside the Linux kernel source code of the same version.
- C. The kernel modules are downloaded on demand as they are used during compilation.
- D. It is included with the Linux kernel source code.
Answer: D
NEW QUESTION 42
Which of the following terms are used to describe 3.x kernel releases? (Choose TWO correct answers.)
- A. beta
- B. longterm
- C. final
- D. stable
- E. prerelease
Answer: B,D
NEW QUESTION 43
Fill in the blank.
The users of the local network complain that name resolution is not fast enough. Which command shows the time taken to resolve a DNS query? (Specify the command without path.)
Answer:
Explanation:
dig
NEW QUESTION 44
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 45
What mechanism does collectd use to gather monitoring information on systems?
- A. It collects its own information on each server and sends that to a master server.
- B. It uses a library of plugins.
- C. It makes SNMP queries to the clients being monitored.
- D. A master server connects to a collectd service on each machine to retrieve the information.
Answer: B
NEW QUESTION 46
Which of the following commands will erase the contents of the /dev/sdb3 partition?
- A. rm /dev/sdb3
- B. dd of=/dev/zero if=/dev/sdb3
- C. umount /dev/sdb3
- D. dd if=/dev/zero of=/dev/sdb3
Answer: D
NEW QUESTION 47
What action should be performed after increasing the size of a logical volume?
- A. Run lvresize.
- B. Increase the size of the filesystem used for the logical volume.
- C. Run vgresize.
- D. Remount the logical volume.
Answer: B
NEW QUESTION 48
What is the purpose of the command udevadm monitor?
- A. It monitors the udev process and prints performance statistics to the console
- B. It communicates with D-Bus to setup new devices
- C. It monitors the /dev/ directory for new devices
- D. It listens to kernel events produced by a udev rule and prints information to the console
Answer: D
NEW QUESTION 49
CORRECT TEXT
What command discards unused blocks on a mounted file system in order to support SSD devices? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
fstrim
NEW QUESTION 50
CORRECT TEXT
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 51
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 52
What is a key difference between a zImage and bzImage kernel image?
- A. zImage is limited to 64k, bzImage has no such restriction.
- B. zImage is compressed using gzip, bzImage is compressed using bzip2.
- C. zImage gets loaded completely into low memory. bzImage will load into high memory once low memory is full.
- D. zImage is for 2.6 series kernels, bzImage is for 3.x series kernels.
Answer: C
NEW QUESTION 53
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. 1, 15, and 30 seconds
- B. 15, 30 and 60 minutes
- C. 15, 30 and 60 seconds
- D. 1, 15 and 30 minutes
- E. 1, 5 and 15 minutes
Answer: E
NEW QUESTION 54
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