Lpi LPIC-1 Exam 102, Part 2 of 2, version 5.0 - 102-500 FREE EXAM DUMPS QUESTIONS & ANSWERS
Which of the following fields are available in the standard format of both the global /etc/crontab file as well as in user-specific crontab files? (Choose two.)
Correct Answer: D,E
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
Which of the following commands is used to rotate, compress, and mail system logs?
Correct Answer: C
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
What is the purpose of the nsswitch.conf file?
Correct Answer: A
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
How is a display manager started?
Correct Answer: A
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
What command enables a network interface according to distribution-specific configuration, such as /etc/network/interfaces or /etc/sysconflg/network-scripts/ifcfg-etho?(Specify ONLY the command without any path or parameters.)
Correct Answer:
UP
On a system using shadowed passwords, the most correct permissions for /etc/passwd are ___ and the most correct permissions for /etc/shadow are _________.
Correct Answer: B
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
What is the default name of the configuration file for the Xorg X11 server? (Specify the file name only without any path.)
Correct Answer:
xorgconf
Explanation:
The default name of the configuration file for the Xorg X11 server is xorg.conf. This file is used to store initial setup for X, such as settings for video cards, monitors, input devices, and other options. The Xorg X11 server is a display server that uses a configuration file called xorg.conf and files ending in the suffix .conf for its initial setup1. The xorg.conf file is typically located in /etc/X11/xorg.conf, but its location may vary across operating system distributions2. The xorg.conf file is not mandatory, as the Xorg X11 server can automatically configure most hardware and settings. However, it can be created and edited manually if needed3. Reference:
Xorg - ArchWiki
xorg.conf - Wikipedia
How to Configure X11 in Linux: 10 Steps (with Pictures) - wikiHow
Explanation:
The default name of the configuration file for the Xorg X11 server is xorg.conf. This file is used to store initial setup for X, such as settings for video cards, monitors, input devices, and other options. The Xorg X11 server is a display server that uses a configuration file called xorg.conf and files ending in the suffix .conf for its initial setup1. The xorg.conf file is typically located in /etc/X11/xorg.conf, but its location may vary across operating system distributions2. The xorg.conf file is not mandatory, as the Xorg X11 server can automatically configure most hardware and settings. However, it can be created and edited manually if needed3. Reference:
Xorg - ArchWiki
xorg.conf - Wikipedia
How to Configure X11 in Linux: 10 Steps (with Pictures) - wikiHow
Which command is used to set the hostname of the local system? (Specify ONLY the command without any path or parameters.)
Correct Answer:
hostname
Explanation:
The hostname command is used to set the hostname of the local system. The hostname command can take a single argument, which is the new hostname to be assigned to the system. For example, to set the hostname to linux, one can run:
hostname linux
The hostname command can also be used without any arguments to display the current hostname of the system. For example, to show the current hostname, one can run:
hostname
The hostname command only changes the hostname temporarily, meaning that the original hostname will be restored after a reboot. To change the hostname permanently, one has to edit the configuration files that store the hostname information, such as /etc/hostname, /etc/hosts, /etc/sysconfig/network, etc. The exact files and commands may vary depending on the Linux distribution and the system initialization process. For more details, please refer to the web search results1 or the question answering results2. Reference:
Explanation:
The hostname command is used to set the hostname of the local system. The hostname command can take a single argument, which is the new hostname to be assigned to the system. For example, to set the hostname to linux, one can run:
hostname linux
The hostname command can also be used without any arguments to display the current hostname of the system. For example, to show the current hostname, one can run:
hostname
The hostname command only changes the hostname temporarily, meaning that the original hostname will be restored after a reboot. To change the hostname permanently, one has to edit the configuration files that store the hostname information, such as /etc/hostname, /etc/hosts, /etc/sysconfig/network, etc. The exact files and commands may vary depending on the Linux distribution and the system initialization process. For more details, please refer to the web search results1 or the question answering results2. Reference:
Fill in Blanks
Which parameter is missing in the command
Ip link act ___ dec etho
To activate the previously inactive network interface ethO? (Specrfy the parameter only without any command, path or additional options)
Which parameter is missing in the command
Ip link act ___ dec etho
To activate the previously inactive network interface ethO? (Specrfy the parameter only without any command, path or additional options)
Correct Answer:
Up
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
Correct Answer:
etchostsallow
Explanation:
The /etc/hosts.allow file contains a set of rules that specify which services and hosts are allowed to connect to the server by going through a TCP Wrapper program such as tcpd. TCP Wrappers are a security mechanism that can filter incoming requests based on the source address, destination address, and service name. TCP Wrappers can also perform logging, redirection, and execution of commands based on the rules.
The /etc/hosts.allow file has the following format:
service_list : host_list [ : option_list ]
The service_list is a comma-separated list of service names, such as sshd, telnet, or ftp. The host_list is a comma-separated list of host names, IP addresses, or network masks that are allowed to access the services. The option_list is an optional list of keywords that can modify the behavior of the rule, such as twist, spawn, deny, or allow.
For example, the following rule in /etc/hosts.allow allows ssh access from any host in the 192.168.1.0/24 network, and logs the connection attempt:
sshd : 192.168.1.0/255.255.255.0 : spawn /bin/echo %a from %h attempted to access %d >> /var/log/sshd.log The /etc/hosts.allow file is processed before the /etc/hosts.deny file, which contains the rules for denying access to the server. If a request matches a rule in /etc/hosts.allow, it is granted access and the processing stops. If it does not match any rule in /etc/hosts.allow, it is checked against the rules in /etc/hosts.deny. If it matches a rule in /etc/hosts.deny, it is denied access and the processing stops. If it does not match any rule in either file, it is granted access by default.
Reference:
LPI 102-500 Exam Objectives, Topic 110.3: Implement host security
LPI 102-500 Study Guide, Chapter 10: Securing Your System, Section 10.3: TCP Wrappers hosts.allow man page
Explanation:
The /etc/hosts.allow file contains a set of rules that specify which services and hosts are allowed to connect to the server by going through a TCP Wrapper program such as tcpd. TCP Wrappers are a security mechanism that can filter incoming requests based on the source address, destination address, and service name. TCP Wrappers can also perform logging, redirection, and execution of commands based on the rules.
The /etc/hosts.allow file has the following format:
service_list : host_list [ : option_list ]
The service_list is a comma-separated list of service names, such as sshd, telnet, or ftp. The host_list is a comma-separated list of host names, IP addresses, or network masks that are allowed to access the services. The option_list is an optional list of keywords that can modify the behavior of the rule, such as twist, spawn, deny, or allow.
For example, the following rule in /etc/hosts.allow allows ssh access from any host in the 192.168.1.0/24 network, and logs the connection attempt:
sshd : 192.168.1.0/255.255.255.0 : spawn /bin/echo %a from %h attempted to access %d >> /var/log/sshd.log The /etc/hosts.allow file is processed before the /etc/hosts.deny file, which contains the rules for denying access to the server. If a request matches a rule in /etc/hosts.allow, it is granted access and the processing stops. If it does not match any rule in /etc/hosts.allow, it is checked against the rules in /etc/hosts.deny. If it matches a rule in /etc/hosts.deny, it is denied access and the processing stops. If it does not match any rule in either file, it is granted access by default.
Reference:
LPI 102-500 Exam Objectives, Topic 110.3: Implement host security
LPI 102-500 Study Guide, Chapter 10: Securing Your System, Section 10.3: TCP Wrappers hosts.allow man page
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.)
Correct Answer:
etcxinetddetcxinetdd
Explanation:
The /etc/xinetd.d/ directory holds the files that configure the xinetd service when using several configuration files instead of an integrated configuration file. Each file in this directory corresponds to a specific service that is managed by xinetd, such as telnet, ftp, ssh, etc. The name of the file matches the name of the service. The files in this directory contain service-specific options that override or supplement the global options defined in the /etc/xinetd.conf file. The files are read only when the xinetd service is started, so any changes require a restart of the service. The /etc/xinetd.d/ directory allows for a modular and flexible configuration of the xinetd service, as well as easier management and maintenance of the individual service files. Reference:
How to configure xinetd ? - Red Hat Customer Portal
Understanding /etc/xinetd.d directory under Linux
xinetd - Wikipedia
Explanation:
The /etc/xinetd.d/ directory holds the files that configure the xinetd service when using several configuration files instead of an integrated configuration file. Each file in this directory corresponds to a specific service that is managed by xinetd, such as telnet, ftp, ssh, etc. The name of the file matches the name of the service. The files in this directory contain service-specific options that override or supplement the global options defined in the /etc/xinetd.conf file. The files are read only when the xinetd service is started, so any changes require a restart of the service. The /etc/xinetd.d/ directory allows for a modular and flexible configuration of the xinetd service, as well as easier management and maintenance of the individual service files. Reference:
How to configure xinetd ? - Red Hat Customer Portal
Understanding /etc/xinetd.d directory under Linux
xinetd - Wikipedia
Which command makes the shell variable named VARIABLE visible to subshells?
Correct Answer: B
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).