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Q1. What does the -p3 option to the patch command do?
A. It will strip off path information from each file mentioned in the patch file up to and including the third / character.
B. patch continues execution as long as there are three or fewer errors.
C. It instructs patch to look up to three lines of context before or after the declared line in the original file for a match.
D. patch will keep three previous versions of each file in the output to prevent loss of change history.
E. It instructs patch to conform more strictly to the POSIX standard.
Answer: A
Q2. 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. Uncompress the file and move the resulting directory to /usr/src/linux
B. Apply the patch file to the kernel source directory containing kernel version 4.6.0
C. Apply the patch file to the kernel source directory containing kernel version 4.6.3
D. Uncompress the file using xz to get the uncompressed patch file
E. Use patch to apply the uncompressed patch file to the source directory of any previous kernel version
Answer: DE
Q3. What action should be performed after increasing the size of a logical volume?
A. Run vgresize.
B. Increase the size of the filesystem used for the logical volume.
C. Run lvresize.
D. Remount the logical volume.
Answer: B
Q4. The following is an excerpt from the output of tcpdump -nli eth1 'udp': 13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.53: 43653+ A? lpi.org. (25)
13:03:17.598624 IP 192.168.5.112.53 > 192.168.123.5.1065: 43653 1/0/0 A 198.51.100.42 (41)
Which network service or protocol was used?
A. FTP
B. HTTP
C. SSH
D. DNS
E. DHCP
Answer: D
Q5. In order to gather performance data with sar over a longer period of time, which command should be run periodically from cron?
A. sa1
B. sarmon
C. sarec
D. sadf
E. sarcron
Answer: A
Q6. After manually compiling and installing a new kernel, what has to be done regarding the initramfs?
A. To initramfs is independent of the kernel and should not be modified unless the hardware configuration of the machine has changed
B. Since the initramfs contains kernel modules, a new initramfs must be built for the new kernel
C. During the compilation of the Linux kernel, a new initramfs is built automatically. The new initramfs only needs to be installed
D. The system should be restarted since the initramfs reconfigures itself for the new kernel during the startup of the system
Answer: C
Q7. The users of the local network complain that name resolution is not fast enough. Enter the command, without the path or any options, that shows the time taken to resolve a DNS query.
Answer:
dig, time dig, time host, time nslookup
Q8. Which command is used to make an exact copy, at a single point in time, of a logical volume while still allowing the original logical volume to be updated?
A. lvcclone
B. lvcreate
C. lvm2
D. lvsnap
E. lvsnapshot
Answer: B
Q9. The following is an excerpt from the output of tcpdump -nli eth1:
13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.21: Flags [.], ack 1 (truncated)
13:03:17.598624 IP 192.168.5.112.21 > 192.168.123.5.1065: Flags [P.], seq (truncated)
Which network service or protocol was used?
A. FTP
B. HTTP
C. SSH
D. DNS
E. DHCP
Answer: A
Q10. What are the options to node.startup in the iscsid.conf file? (Choose TWO correct answers.)
A. login
B. initiate
C. manual
D. discover
E. automatic
Answer: C E
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