Get Lpi 102-500 Dumps Questions [2021] To Gain Brilliant Result [Q40-Q63]

Get Lpi 102-500 Dumps Questions [2021] To Gain Brilliant Result

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NEW QUESTION 40
Which of the following steps prevents a user from obtaining an interactive login session?

A. Run the command chsh -s /bin/false with the user name.
B. Create a .nologin file in the user's home directory.
C. Remove the user from the group staff.
D. Set the UID for the user to 0.
E. Add the user to /etc/noaccess.

Answer: A

NEW QUESTION 41
Which of the following protocols is related to the term open relay?

A. SMTP
B. NTP
C. POP3
D. LDAP
E. IMAP

Answer: A

NEW QUESTION 42
What is true regarding the file ~/.forward?

A. After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.
B. As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.
C. When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.
D. Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.

Answer: C

NEW QUESTION 43
In an xinetd configuration file, which attribute specifies the network address that will be used to provide the service?

Answer:

Explanation:
bind, interface

NEW QUESTION 44
Which crontab entry could be used to set the system time at regular intervals?

A. 1 0 * * * ntpdate ntp1.digex.net
B. 1 0 * * * settime $d $t $24
C. 1 0 * * * date $d $t $24
D. 1 0 * * * runcron date ntp1.digex.net
E. 1 0 * * * date ntp1.digex.net

Answer: A

NEW QUESTION 45
On a system using shadowed passwords, the most correct permissions for /etc/passwd are ___ and the most correct permissions for /etc/shadow are _________.

A. -rw-r-----, -r--------
B. -rw-------, -r--------
C. -rw-r--r--, -r--------
D. -rw-r--r--, -r--r--r--
E. -rw-r--rw-, -r-----r--

Answer: C

NEW QUESTION 46
FILL BLANK
Which file is processed by newaliases? (Specify the full name of the file, including path.)

Answer:

Explanation:
/etc/mail/aliases

NEW QUESTION 47
If an alias ls exists, which of the following commands updates the alias to point to the command ls -l instead of the alias's current target?

A. alias --force ls='ls -l'
B. alias ls='ls -l'
C. alias --update ls ls='ls -l'
D. set ls='ls -l'
E. realias ls='ls -l'

Answer: B

NEW QUESTION 48
Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)

A. The home directory of the group.
B. The password of the group.
C. The name of the group.
D. The description of the group.
E. The list of users that belong to the group.

Answer: B,C,E

NEW QUESTION 49
What benefit does an alias in bash provide?

A. It creates a local copy of a file from another directory.
B. It allows a string to be substituted for the first word of a simple command.
C. It hides what command you are running from others.
D. It provides faster lookups for commands in the system directory.

Answer: B

NEW QUESTION 50
On a system running the KDE Display Manager, when is the /etc/kde4/kdm/Xreset script automatically executed?

A. When X is restarted
B. When X crashes
C. When KDM crashes
D. When KDM starts
E. When a user's X session exits

Answer: E

NEW QUESTION 51
Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.)

A. The script file must be found in the $PATH.
B. The file system on which the script resides must be mounted with the option scripts.
C. The script must begin with a shebang-line (#!) that points to the correct interpreter.
D. The script file must have the executable permission bit set.
E. The user issuing the command must be in the group script.

Answer: A,C,D

NEW QUESTION 52
What is a purpose of an SSH host key?

A. It authenticates any user that logs into a remote machine from the key's host.
B. It is the root key by which all user SSH keys must be signed.
C. It provides the server's identity information to connecting SSH clients.
D. It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.
E. It must be sent by any SSH client in addition to a user key in order to identify the client's host.

Answer: C

NEW QUESTION 53
Why is the correct configuration of a system's time zone important?

A. Because NTP chooses servers nearby based on the configured time zone.
B. Because the conversion of Unix timestamps to local time relies on the time zone configuration.
C. Because the environment variables LANG and LC_MESSAGES are, by default, set according to the time zone.
D. Because the time zone is saved as part of the modification times of files and cannot be changed after a file is created.

Answer: B

NEW QUESTION 54
Which command can be used to delete a group from a Linux system?

A. groups
B. groupedit
C. groupdel
D. groupmod

Answer: C

NEW QUESTION 55
Which of the following situations is observed and corrected by an NTP client?

A. The physical location and the timezone configuration.
B. The skew in time between the system clock and the reference clock.
C. Changes in the time zone of the current computer's location.
D. Adjustment needed to support Daylight Saving Time.
E. The skew in time between the system clock and the computer's hardware clock.

Answer: B

NEW QUESTION 56
Which of the following tasks can be accomplished using the command date? (Choose TWO correct answers.)

A. Synchronize the hardware and system clocks.
B. Set the hardware clock.
C. Set the system clock.
D. Output date and time in different formats.
E. Update the time via NTP.

Answer: C,D

NEW QUESTION 57
Why is the correct configuration of a system's time zone important?

A. Because NTP chooses servers nearby based on the configured time zone.
B. Because the conversion of Unix timestamps to local time relies on the time zone configuration.
C. Because the timezone is included in checksum calculations and timezone changes invalidate existing checksums.
D. Because the environment variables LANG and LC_MESSAGES are, by default, set according to the time zone.
E. Because the time zone is saved as part of the modification times of files and cannot be changed after a file is created.

Answer: B

NEW QUESTION 58
To exclude all log messages of a given logging facility, you should use a logging priority of _____ .

Answer:

Explanation:
none

NEW QUESTION 59
Why is the xhost program considered dangerous to use?

A. It makes your computer share network resources without any authentication.
B. It is a graphical DNS tool with known exploits.
C. It logs sensitive information to syslog.
D. It allows easy access to your X server by other users.
E. It makes it difficult to uniquely identify a computer on the network.

Answer: D

NEW QUESTION 60
Which if the following tools, used for DNS debugging, reports not only the response from the name sever but also details about the query?

A. hostname
B. dnsq
C. zoneinfo
D. dnslookup
E. dig

Answer: E

NEW QUESTION 61
Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?

A. hostname
B. dnsq
C. zoneinfo
D. dnslookup
E. dig

Answer: E

NEW QUESTION 62
X is running okay but you're concerned that you may not have the right color depth set. What single command will show you the running color depth while in X?