Question No: 4

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.

Question No: 5

When a makefile is included in a source code package, what are commonly defined targets in the file?

A. CFLAGS, CPPFLAGS, LIBS, LDFLAGS

B. clean, install, uninstall

C. PATHS, DESTDIR, LIBS, LDFLAGS

D. prefix, exec_prefix, bindir, mandir

Question No: 6

Which of the following commands erases the contents of the /dev/sdb3 partition?

A. rm /dev/sdb3

B. dd if=/dev/zero of=/dev/sdb3

C. dd of=/dev/zero if=/dev/sdb3

D. umount /dev/sdb3

Question No: 7

A correctly formatted entry has been added to /etc/hosts.deny to prevent certain clients from connecting to a service but this is having no effect. What could be the cause of this? (Choose TWO correct answers.)

A. tcpd needs to be sent the HUP signal.

B. The service needs to be restarted.

C. The machine needs to be restarted.

D. There is a conflicting entry in /etc/hosts.allow.

E. The service does not support tcpwrapper.

Question No: 8

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

Question No: 9

What is the purpose of a system mount unit?

A. It is used by the command systemd-mount and allows users to mount partitions to mount points of their choice

B. It is used only to mount network file systems to local mount points. It cannot be used for local media

C. It is created by the command systemd-fstab-generator to integrate entries from /etc/fstab into the system boot process

D. It is used by the command mount when using system to mount and unmount file systems

Question No: 10

Which command is used to install a GRUB boot loader into the master boot record?

A. grub-install

B. grub-mkconfig

C. grub-install-mbr

D. grub-glue-mbr

E. grub-mbr-setup

Question No: 11

Under which of the following circumstances would the command ping output the string (DUP!)?

A. When the ICMP packets are send to a broadcast address and multiple hosts respond.

B. When the host being sent ICMP packets is on a different network.

C. When the router responds to the ICMP packet in addition to the host receiving the ICMP packets.

D. When the host sending the ICMP packet is the same host as the one receiving the ICMP packets.

Question No: 12

Which of the following commands will erase the contents of the /dev/sdb3 partition?

A. rm /dev/sdb3

B. dd if=/dev/zero of=/dev/sdb3

C. dd of=/dev/zero if=/dev/sdb3

D. umount /dev/sdb3

Question No: 13

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