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September 25, 2018

Up to the immediate present LPI 201-450 - An Overview 5 to 14

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New LPI 201-450 Exam Dumps Collection (Question 5 - Question 14)

Q1. 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:

fstrim


Q2. What should be done after updating the configuration file for syslogd in order to make the changes become effective? (Choose TWO correct answers.)

A. No action is required, syslogd will notice the updated configuration file after a few minutes.

B. Send the HUP signal to the syslogd process.

C. Restart the syslogd service.

D. Run the command syslogd -u.

Answer: BC


Q3. Which program lists information about files and network connections opened by processes? (Specify ONLY the command without any path or parameters.)

Answer:

lsof, /usr/bin/lsof


Q4. 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. ifconfig eth0 defaultroute 192.168.0.1

C. ip route add default via 192.168.0.1 dev eth0

D. echo defaultroute 192.168.0.1 >> /etc/resolv.conf

E. route add defaultgw=192.168.0.1 if=eth0

Answer: AC


Q5. In the output of sar u2013b, what does tps stand for?

A. Terrabyte per second

B. Traffic per second

C. Transfers per second

D. Total data per second

E. Terrabit per second

Answer: C


Q6. Which of the following is an example path to a Linux software RAID array?

A. /dev/raid0

B. /dev/rd1

C. /dev/pr0

D. /dev/md1

Answer: D


Q7. What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.)

Answer:

vgreduce, /sbin/vgreduce


Q8. Which of the following commands adds a static IPv6 address to the network interface eth0?

A. ip add addr 2001:db8::1337/64 dev eth0

B. ip -6 add addr 2001:db8::1337/64 dev eth0

C. ip addr add 2001:db8::1337/64 dev eth0

D. ip -6 addr add new 2001:db8::1337/64 dev eth0

E. ip addr add -6 2001:db8::1337/64 dev eth0

Answer: D


Q9. Which of the following commands is used to set up a RAID volume?

A. makerd

B. mdadm

C. mkfs.raid

D. makeraid

E. rdconfig

Answer: B


Q10. What is the purpose of an initramfs during the Linux system start?

A. It loads required modules and starts sub sytems like LVM to make the root file system accessible to the kernel

B. It moves the kernel from normal system memory to initram memory to speed up kernel access

C. It copies the root file systemu2019s content to RAM to speed up the system and reduce writes to disk

D. It creates a ram disk to store volatile data for directories like /tmp to reduce writes to disk

Answer: A



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