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LPI 102-400 問題練習

LPI Level 1 Exam 102, Junior Level Linux Certification,Part 2 of 2 試験

最新更新時間: 2019/07/07,合計120問。

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Question No : 1
Which of the following commands connects to the remote host example.com which has OpenSSH listening on TCP port 2222? (Choose TWO correct answers.)

正解:

Question No : 2
CORRECT TEXT
On a Linux system with shadow passwords enabled, which file in the file system contains the password hashes of all local users? (Specify the full name of the file, including path.)

正解: /etc/shadow

Question No : 3
Which of the following commands can be used to limit the amount of memory a user may use?

正解:

Question No : 4
What is a purpose of an SSH host key?

正解:

Question No : 5
Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?

正解:

Question No : 6
CORRECT TEXT
Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)https://lh3.googleusercontent.com/-5cd-clmKnbk/AAAAAAAAAAI/AAAAAAAAADM/SXesH19Ido/s46-c-k-no/photo.jpg

正解: /etc/hosts.allow

Question No : 7
CORRECT TEXT
Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)

正解: /etc/sudoers

Question No : 8
CORRECT TEXT
Which directory holds the files that configure the xinetd service when using several configuration files instead of an integrated configuration file? (Specify the full path to the directory.)

正解: /etc/xinetd.d/, /etc/xinetd.d

Question No : 9
Which of the following find commands will print out a list of files owned by root and with the SUID bit set in /usr?

正解:

Question No : 10
Which configuration file would be edited to change default options for the OpenSSH server?

正解:

Question No : 11
When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?

正解:

Question No : 12
Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?

正解:

Question No : 13
Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?

正解:

Question No : 14
Which configuration file would be edited to change the default options for outbound SSH sessions?

正解:

Question No : 15
CORRECT TEXT
The presence of what file will temporarily prevent all users except root from logging into the system? (Specify the full name of the file, including path.)

正解: /etc/nologin

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