Free 201-450 Exam Questions - Easiest Way for Success

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Total 162 Questions | Updated On: Sep 11, 2024

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Question 1

Which single command will simulate a failed device within a RAID 5 array?

A : mdadm --remove /dev/md0 /dev/sdd1

B : mdadm --zero-superblock /dev/sdf3

C : mdadm --force-fault /dev/md2 /dev/sde2

D : mdadm --fail /dev/md0 /dev/sdc1

E : mdadm /dev/md0 --offline /dev/sdc1

Answer: D

Question 2

Which archive format is used to create an initramfs image?

A : gzip

B : tar

C : RAR

D : cpio

E : bzip2

Answer: D

Question 3

What happens if the Linux kernel can't mount the root filesystem when booting?

A : An error message is shown and the administrator is asked by the kernel to specify a valid root filesystem to continue the boot process.

B : An error message is shown and the system reboots after a keypress.

C : An error message is shown and the system boots in maintenance mode.

D : An error message is shown showing which device couldn't be mounted or informing that init couldn't be found.

E : An error message is shown stating that the corresponding kernel module couldn't be loaded.

Answer: D

Question 4

Due to extreme system use, a Linux system requires some additional swap space. To

initialize 5GB of additional swap space, which combination of commands should be used?

A : dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; mount/tmp/swapfile

B : dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; swapon /tmp/swapfile

C : dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon /tmp/swapfile

D : touch -5G /tmp/swapfile; swapon /tmp/swapfile

E : mkswap /tmp/swapfile 512000; swapon /tmp/swapfile

Answer: C

Question 5

What should be done to ensure a client machine uses the recursive nameserver running on

the IP address 192.168.0.1? (Choose TWO correct answers.)

A : Add nameserver 192.168.0.1 to /etc/resolv.conf.

B : Run route add nameserver 192.168.0.1.

C : Run ifconfig eth0 nameserver 192.168.0.1.

D : Ensure that the dns service is listed in the hosts entry in the /etc/nsswitch.conf file.

E : Run bind add nameserver 192.168.0.1.

Answer: A,D

Page: 1 / 33

Total 162 Questions | Updated On: Sep 11, 2024

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