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NO.54 Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)

127.0.0.0/8

10.0.0.0/8

169.255.0.0/16

172.16.0.0/12

192.168.0.0/16

NO.55 When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?

debug

lsof

nessus

strace

traceroute

NO.56 What entry can be added to the syslog.conf file to have all syslog messages generated by a system displayed on console 12?

*.* /dev/tty12

/var/log/messages | /dev/tty12

| /dev/tty12

syslog tty12

mail.* /dev/tty12

NO.57 What is a purpose of an SSH host key?

It must be sent by any SSH client in addition to a user key in order to identify the client’s host.

It provides the server’s identity information to connecting SSH clients.

It is the root key by which all user SSH keys must be signed.

It authenticates any user that logs into a remote machine from the key’s host.

It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

NO.58 The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section?

It is placed in curly brackets as in Section SectionName { … }.

It is placed between a line containing Section “SectionName” and a line containing EndSection.

It is placed between the tags <Section name=”SectionName”> and </Section>

It is placed after the row [SectionName].

It is placed after an initial unindented Section “SectionName” and must be indented by exactly one tab character.

NO.59 FILL BLANK
Which command, available with all sendmail-compatible MTAs, is used to list the contents of the MTA’s mail queue? (Specify only the command without any path or parameters.)

NO.60 Which of the following entries in /etc/syslog.confwrites all mail related events to the file /var/log/ maillogand sends all critical events to the remote server logger.example.com?
mail.* /var/log/maillog

mail,crit @logger.example.org
mail.* /var/log/maillog

mail.crit syslog://logger.example.org
mail /var/log/maillog

mail.crit @logger.example.org
mail.* /var/log/maillog

mail.crit @logger.example.org
mail * /var/log/maillog

mail crit @logger.example.org

NO.61 Which of the following statements is valid in the file /etc/nsswitch.conf?

multi on

192.168.168.4 dns-server

namespaces: net mount procs

include /etc/nsswitch.d/

hosts: files dns

NO.62 What is the purpose of the Sticky Keys feature in X?

To assist users who have difficulty holding down multiple keys at once

To prevent repeated input of a single character if the key is held down

To ignore brief keystrokes according to a specified time limit

To repeat the input of a single character

NO.63 What is true regarding the file ~/.forward?

As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.

After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.

Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.

When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.

NO.64 FILL BLANK
What is the top-level directory which contains the configuration files for CUPS? (Specify the full path to the directory.)

NO.65 What word is missing from the following SQL statement?
insert into tablename ________(909, ‘text’);
(Please specify the missing word using lower-case letters only.)

NO.66 Which command will set the local machine’s timezone to UTC?

cat UTC > /etc/timezone

ln -s /usr/share/zoneinfo/UTC /etc/localtime

date –timezone=UTC

mv /usr/timezone/UTC /etc

NO.67 Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?

CASE

FROM

WHERE

NO.68 Which of the following commands can remove a user from a group?

grouprm

groupmod

passwd

usergroups

usermod

NO.69 How is the file format of /etc/crontab different from a normal crontab file? (Select TWO correct answers)

The /etc/crontab file can specify a year field.

A normal crontab file must be installed with the crontab command.

A normal crontab file allows for environment variable substitution.

The /etc/crontab file has a user field for commands.

NO.70 What is true regarding the file ~/.forward?

When configured correctly ~/.forward can be used to forward each incoming mail to one or more other recipients.

After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.

Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.

As ~/.forward is owned by the MTA and not writable by the user, it must be edited using the editaliases command.

By default, only ~/.forward files of users in the group mailq are processed while all other user’s ~/
.forward files are ignored.

NO.71 Which of the following is a valid IPv6 address?

2001:db8:0g21::1

2001::db8:4581::1

2001:db8:3241::1

2001%db8%9990%%1

2001.db8.819f..1

NO.72 Which of the following commands finds all files owned by root that have the SetUID bit set?

find / -user root -perm -4000

find / -user 0 -mode +s

find / -owner root -setuid

find / -owner 0 -permbits 0x100000000

find / –filter uid=1 –filter pers=u+s

NO.73 Given the following routing table:

How would an outgoing packet to the destination 192.168.2.150 be handled?

It would be passed to the default router 192.168.178.1 on wlan0.

It would be directly transmitted on the device eth0.

It would be passed to the default router 255.255.255.0 on eth0.

It would be directly transmitted on the device wlan0.

It would be passed to the router 192.168.1.1 on eth0.

NO.74 Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)

The Best 102-500 Exam Study Material Premium Files and Preparation Tool (Oct-2022) [Q54-Q74]

LPI 102-500 Exam Prerequisites

Topic 3: Administrative Tasks