[2022年更新]102-500はLPIC Level1リアルな無料試験練習テスト
無料LPIC Level1 102-500試験問題を提供します
質問 116
Which of the following tasks can the date command accomplish? (Choose two.)
- A. Print a calendar for a month or a year.
- B. Set the system's date and time.
- C. Display time in a specific format.
- D. Calculate the time span between two dates.
- E. Set the system's date but not the time.
正解: B,C
質問 117
Which of the following commands can identify the PID od a process which opened a TCP port?
- A. debug
- B. ptrace
- C. lsof
- D. strace
- E. nessus
正解: C
質問 118
How can a specific user be prevented from scheduling tasks with at?
- A. By adding the specific user to the [deny] section in the /etc/atd.conf file.
- B. By executing the atd --deny [user] command.
- C. By adding the specific user to the /etc/at.allow file.
- D. By adding the specific user to the nojobs group.
- E. By adding the specific user to the /etc/at.deny file.
正解: E
質問 119
Which of the following getentinvocations lists all existing users?
- A. getent passwd
- B. getent logins
- C. getent uids
- D. getent users
- E. getent homes
正解: A
解説:
Explanation/Reference:
質問 120
Which of the following fields are available in the standard format of both the global /etc/crontab file as well as in user-specific crontabfiles? (Choose two.)
- A. Username
- B. Minute
- C. Effective group ID
- D. Year
- E. Command
正解: B,C
解説:
Explanation/Reference:
質問 121
The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)
正解:
解説:
/usr/share/zoneinfo/
質問 122
Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose TWO correct answers.)
- A. --upto=
- B. --since=
- C. --until=
- D. --from=
- E. --date=
正解: B,C
質問 123
What information is provided by the echo $$ command?
- A. The process ID of the echo command.
- B. The process ID of the last command executed.
- C. The process ID for the following command.
- D. The process ID of the current shell.
- E. The process ID of the last command which has been placed in the background.
正解: D
質問 124
What is true about the ntpdate command?
- A. It queries one or more NTP time servers and adjusts the system time accordingly.
- B. It is the primary management command for the NTP time server.
- C. It can be used by any user to set the user clock independently of the system clock.
- D. It updates the local system's date (i.e. day, month and year) but not the time (i.e. hours, minutes, seconds).
- E. It sends the local system time to one or many remote NTP time servers for redistribution.
正解: A
質問 125
Which of the following features are provided by SPICE? (Choose two.)
- A. Uploading and running a binary program on a remote machine.
- B. Downloading and locally installing applications from a remote machine.
- C. Accessing graphical applications on a remote host.
- D. Replacing Xorg as local X11 server.
- E. Connecting local USB devices to remote applications.
正解: B,E
質問 126
Which of the following features are provided by SPICE? (Choose two.)
- A. Uploading and running a binary program on a remote machine.
- B. Downloading and locally installing applications from a remote machine.
- C. Accessing graphical applications on a remote host.
- D. Replacing Xorg as local X11 server.
- E. Connecting local USB devices to remote applications.
正解: B,E
解説:
Explanation/Reference:
質問 127
What output does the command seq 1 5 20 produce?
- A. 123
4 - B. 16
11
16 - C. 0
- D. 5
15
20 - E. 15
15
正解: B
質問 128
Which commands can you use to change a user's account aging information? (Choose THREE correct answers.)
- A. chattr
- B. usermod
- C. chsh
- D. chage
- E. passwd
正解: B,D,E
質問 129
How does the ping command work by default?
- A. It sends a UDP packet to port 0 of the remote host and waits to receive a UDP error response in return.
- B. Is sends a broadcast packet to all hosts on the net and waits to receive, among others, a response from the target system.
- C. It sends a TCP SYN packet to a remote host and waits to receive an TCP ACK response in return.
- D. It sends an ARP request to a remote host and waits to receive an ARP response in return.
- E. Is sends an ICMP Echo Request to a remote host and waits to receive an ICMP Echo Response in return.
正解: E
質問 130
To exclude all log messages of a given logging facility, you should use a logging priority of _____ .
正解:
解説:
none
質問 131
Which of the following commands displays all environment and shell variables?
- A. getargs
- B. lsshell
- C. lsenv
- D. env
- E. ls
正解: D
質問 132
Which of the following sections exists in a systemd timer unit?
- A. [Trigger]
- B. [Events]
- C. [cron]
- D. [Schedule]
- E. [Timer]
正解: E
質問 133
Which of the following commands can remove a user from a group?
- A. passwd
- B. grouprm
- C. usermod
- D. groupmod
- E. usergroups
正解: C
質問 134
Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)
- A. 203.0.113.15 www.example.com www
- B. 2001:db8::15 www.example.com www
- C. www.example.com www 203.0.13.15
- D. 2003.0.113.15,2001:db8::15 www.example.com www
- E. www.example.com,www 203.0.13.15,2001:db8::15
正解: A,B
質問 135
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