Exam for engine

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?

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

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

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.)

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

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

Q51. What is true regarding the file ~/.forward?

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

Q53. What is true about the ntpdate command?

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.)

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?

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?

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?

Q63. What is the purpose of the command mailq?

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

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.