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New LPI 201-450 Exam Dumps Collection (Question 4 - Question 13)

Q1. After installing a compiled kernel, it can not find any modules that are needed to be loaded. What make target was likely missed while installing the kernel?

Answer:

make modules_install, modules_install


Q2. 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. Edit /etc/shmmax and set the parameter to 2147483648.

B. sysctl shmmax=2147483648

C. sysctl kernel.shmmax=2147483648

D. echo 2147483648 > /proc/sys/kernel/shmmax

E. export kernel.shmmax=2147483648

Answer: CD


Q3. What does a 0 in the last field (fsck order) of /etc/fstab indicate about the filesystem?

A. The filesystem should be checked before filesystems with higher values.

B. The filesystem should be checked after filesystems with higher values.

C. The filesystem check counter is ignored.

D. The filesystem has been disabled from being checked and mounted on the system.

E. The filesystem does not require an fsck check when being mounted.

Answer: E


Q4. Which command turns an existing ext2 filesystem non-destructively into an ext3 filesystem? (Specify ONLY the command without any path or parameters.)

Answer:

/sbin/tune2fs, tune2fs


Q5. What is the main template file used by autofs?

A. default.maps

B. auto.conf

C. auto.master

D. autofs.master

Answer: C


Q6. Which commands are used to load modules into the Linux kernel? (Choose TWO correct answers.)

A. insmod

B. loadmod

C. kernload

D. modprobe

E. probemod

Answer: AD


Q7. 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:

/etc/rc2.d, /etc/rc2.d/, /etc/init.d/rc2.d, /etc/init.d/rc2.d/


Q8. What mechanism does collectd use to gather monitoring information on systems?

A. It uses a library of plugins.

B. A master server connects to a collectd service on each machine to retrieve the information.

C. It collects its own information on each server and sends that to a master server.

D. It makes SNMP queries to the clients being monitored.

Answer: A


Q9. In the below example output, which columns detail the percent of time the CPU spent running non-kernel code and the percent of time the CPU spent running kernel code? (Choose TWO 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. id

B. us

C. wa

D. sy

Answer: BD


Q10. A system has one hard disk and one CD writer which are both connected to SATA controllers. Which device represents the CD writer?

A. /dev/hdb

B. /dev/sdd

C. /dev/scd1

D. /dev/sr0

E. /dev/sr1

Answer: D


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