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New LPI 102-400 Exam Dumps Collection (Question 8 - Question 17)

New Questions 8

CORRECT TEXTWhich file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)

Answer: /etc/sudoers


New Questions 9

CORRECT TEXTWhich command, depending on its options, can display the open network connections, the routing tables, as well as network interface statistics. (Specify ONLY the command without any path or parameters.)

Answer: netstat, /bin/netstat, ss, /usr/bin/ss


New Questions 10

CORRECT TEXTWhich port is the default server port for the HTTPS protocol? (Specify the port number using digits.)

Answer: 443


New Questions 11

CORRECT TEXTBy default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)

Answer: /etc/skel


New Questions 12

CORRECT TEXTThe 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)

Answer: /usr/share/zoneinfo/


New Questions 13

Which of the following commands can be used to limit the amount of memory a user may use?

A. umask

B. usermod

C. ulimit

D. passwd

E. chage

Answer: C


New Questions 14

How can the existing environment variable FOOBAR be suppressed for the execution of the script./myscript only?

A. unset -v FOOBAR;./myscript

B. set -a FOOBAR="";./myscript

C. env -u FOOBAR./myscript

D. env -i FOOBAR./myscript

Answer: C


New Questions 15

Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?

A. CASE

B. FROM

C. WHERE

D. IF

Answer: C


New Questions 16

What is the purpose of the nsswitch.conf file?

A. It is used to configure where the C library looks for system information such as host names and user passwords.

B. It is used to configure network protocol port numbers such as for HTTP or SMTP.

C. It is used to configure LDAP authentication services for the local system.

D. It is used to configure which network services will be turned on during the next system boot.

Answer: A


New Questions 17

What is a purpose of an SSH host key?

A. It must be sent by any SSH client in addition to a user key in order to identify the client's host.

B. It provides the server's identity information to connecting SSH clients.

C. It is the root key by which all user SSH keys must be signed.

D. It authenticates any user that logs into a remote machine from the key's host.

E. It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

Answer: B


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