[Jul 25, 2022] Dumps Collection 102-500 Test Engine Dumps Training With 195 Questions [Q44-Q65] : Exam for engine : http://blog.test4engine.com

Q44. Which parameter must be passed to ifconfig to activate a previously inactive network interface? (Specify the parameter only without any command, path or additional options)

Q45. When the command echo $$ outputs 12942, what is the meaning of 12942?

It is the process ID of the echo command.

It is the process ID of the current shell.

It is the process ID of the last command executed.

It is the process ID of the last command which has been placed in the background.

Q46. Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose two.)

–since=

–from=

–until=

–upto=

–date=

Q47. 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

Q48. Given the following excerpt of the sudo configuration:
jane ANY=NOPASSWD: /bin/kill, /bin/id, PASSWD: /sbin/fdisk
Which of the following statements are true? (Choose three.)

Jane can run /bin/id only after specifying her password.

Jane can run /sbin/fdisk after specifying root’s password.

Jane can run /sbin/fdisk after specifying her password.

Jane can run /bin/kill without specifying a password.

Jane can run /bin/id without specifying her password.

Q49. Which of the following configuration files should be modified to globally set shell variables for all users?

/etc/profile

/etc/bashrc

~/.bash_profile

/etc/.bashrc

/etc/shellenv

Q50. Which of the following commands shows the current color depth of the X Server?

xcd

xcdepth

xwininfo

xcolordepth

cat /etc/X11

Q51. 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.

Q52. What is true regarding public and private SSH keys? (Choose two.)

For each user account, there is exactly one key pair that can be used to log into that account.

The private key must never be revealed to anyone.

Several different public keys may be generated for the same private key.

To maintain the private key’s confidentiality, the SSH key pair must be created by its owner.

To allow remote logins, the user’s private key must be copied to the remote server.

Q53. What is true about the ntpdate command?

It is the primary management command for the NTP time server.

It updates the local system’s date (i.e. day, month and year) but not the time (i.e. hours, minutes, seconds).

It queries one or more NTP time servers and adjusts the system time accordingly.

It sends the local system time to one or many remote NTP time servers for redistribution.

It can be used by any user to set the user clock independently of the system clock.

Q54. FILL BLANK
Which directory holds configuration files for xinetd services? (Specify the full path to the directory.)

Q55. 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.)

Q56. Which of the following tasks can the date command accomplish? (Choose two.)

Set the system’s date and time.

Set the system’s date but not the time.

Calculate the time span between two dates.

Print a calendar for a month or a year.

Display time in a specific format.

Q57. FILL BLANK
What command list the aliases defined in the current Bash shell? (Specify only the command without any path or parameters.)

Q58. What command will display the group names and GIDs to which a user belongs? (Provide only the command name with or without path information)

Q59. You need to pause the CUPS printer HPLaserjet4, and you want to cancel all print jobs with a message,
“hello”. Which command will do this?

cupsreject -c -r hello HPLaserjet4

cupsreject -p -m hello HPLaserjet4

cupsdisable -c -r hello HPLaserjet4

cupsdisable -p -m hello HPLaserjet4

Q60. Depending on a system’s configuration, which of the following files can be used to enable and disable network services running on this host?

/etc/profile

/etc/xinetd.conf

/etc/ports

/etc/services

/etc/host.conf

Q61. FILL BLANK
When using X11 forwarding in SSH, what environment variable is automatically set in the remote shell in order to help applications to connect to the correct X11 server? (Specify only the environment variable without any additional commands or values.)

Q62. For accessibility assistance, which of the following programs is an on-screen keyboard?

xkb

atkb

GOK

xOSK

Q63. What is the purpose of the command mailq?

It fetches new emails from a remote server using POP3 or IMAP.

It is a multi-user mailing list manager.

It is a proprietary tool contained only in the qmail MTA.

It queries the mail queue of the local MTA.

It is a command-line based tool for reading and writing emails.

Q64. Which of the following information is stored in /etc/shadow for each user?

The timestamp of the user’s last login

The user’s private SSH keys

The hashed password of the user

The numerical user ID (UID)

The path to the user’s home directory

Q65. An administrator wants to determine the geometry of a particular window in X, so she issues the __________
-metric command and then clicks on the window.