Free Access Lpi.201-450.v2023-05-08.q73 Practice Test (Page 6)

Question 21

If the file containing the Linux kernel is deleted, what happens when the system boots?

A.The bootloader mounts the root filesystem read-only and launches /bin/sh directly in order to allow the administrator to reinstall the kernel

B.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

C.Without a kernel system cannot boot and, depending on the bootloader, an error is displayed

D.The system starts normally since the bootloader copies the kernel to the master boot record of the hard disk

Question 22

Which of the following commands shows capabilities and usable frequencies for the wireless interface wlan0?

A.iw phy pyh0 info

B.iw dev wlan0 info

C.iw dev wlan0 show

D.iw phy wlan0 show

E.iw phy0 show

Question 23

How is the source code for the main Linux kernel modules distributed?

A.It is included with the Linux kernel source code

B.It is provided as a separate download alongside the Linux kernel source code for the same version

C.The kernel modules are downloaded on demand as they are used during compilation

D.The kernel modules have their own release cycle and can be maintained separately from the Linux kernel source

Question 24

Which command will report information on memory usage, paging and block input/output?

A.free

B.memshow

C.ps

D.top

E.vmstat

Question 25

The following is an excerpt from the output of tcpdump -nli eth1:
1 3:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.21: Flags [.], ack 1 (truncated)
1 3:03:17.598624 IP 192.168.5.112.21 > 192.168.123.5.1065: Flags [P.], seq (truncated) Which network service or protocol was used?

A.SSH

B.DHCP

C.FTP

D.HTTP

E.DNS

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Question 21

Question 22

Question 23

Question 24

Question 25

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