102-500 Real Exam Dumps Questions and answers 61-70

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Question No.61

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

  1. groupdel

  2. groupmod

  3. groups

  4. groupedit

Correct Answer: A

Question No.62

Of the ways listed, which is the best way to temporarily suspend a single user#39;s ability to interactively login?

  1. Add the user name to /etc/nologin.

  2. Change the user#39;s password.

  3. Change the user name in /etc/passwd.

  4. Use change to expire the user account.

  5. Place the command logout in the user#39;s profile.

Correct Answer: D

Question No.63

What is the purpose of the iconv command?

  1. It converts bitmap images from one format to another such as PNG to JPEG.

  2. It verifies that the root directory tree complies to all conventions from the Filesystem Hierarchy Standard (FHS).

  3. It displays additional meta information from icon files ending in .ico.

  4. It changes the mode of an inode in the ext4 file system.

  5. It converts files from one character encoding to another.

Correct Answer: E

Question No.64

Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?

  1. The encrypted passwords are still subject to brute force attacks.

  2. This is just for historical reasons.

  3. There is other information in the file that needs to be kept secret.

  4. The passwords can be decrypted by anyone with root access.

Correct Answer: A

Question No.65

What is true about the file /etc/localtime?

  1. It is a plain text file containing a string such as Europe/Berlin

  2. It is created and maintained by the NTP service based on the location of the system#39;s IP address.

  3. It is a symlink to /sys/device/clock/ltime and always contains the current local time.

  4. After changing this file, newtzconfig has to be run to make the changes effective.

  5. It is either a symlink to or a copy of a timezone information file such as

/usr/share/zoneinfo/Europe/Berlin.

Correct Answer: E

Question No.66

Which of the following fields are available in both the global /etc/crontab file as well as in user- specific crontab files? (Select TWO correct answers)

  1. Year

  2. Minute

  3. Username

  4. Command

Correct Answer: BD

Question No.67

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

A. 1 0 * * * date $d $t $24

  1. 1 0 * * * ntpdate ntp1.digex.net

  2. 1 0 * * * date ntp1.digex.net

  3. 1 0 * * * runcron date ntp1.digex.net

  4. 1 0 * * * settime $d $t $24

Correct Answer: B

Question No.68

The correct crontab entry to execute the script chklog three times per month between 3 p.m. and 5 p.m.:

A. * 3,4,5 1 * * chklog B. 3 3,4,5 1 * * chklog

C. 3 15,16,17 * * * chklog D. 0 15,16,17 1 * * chklog E. * 15,16,17 1 * * chklog

Correct Answer: D

Question No.69

To prevent a specific user from scheduling tasks with at, what should the administrator do?

  1. Add the specific user to /etc/at.allow file.

  2. Add the specific user to [deny] section in the /etc/atd.conf file.

  3. Add the specific user to /etc/at.deny file.

  4. Add the specific user to nojobs group.

  5. Run the following: atd deny [user].

Correct Answer: C

Question No.70

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

Correct Answer: id, /usr/bin/id

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