LFCS Exam Questions
676 real LFCS exam questions with expert-verified answers and explanations. Page 4 of 14.
- Question #209Networking
What does ntop use for data collection?
ntopNetwork MonitoringPacket CaptureNetworking Tools - Question #211Service Configuration
Which of the following methods can be used to deactivate a rule in Snort? (Select TWO correct answers)
SnortIDSRule ManagementConfiguration - Question #212Essential Commands
The system administrator is keeping local configuration file changes in RCS. What command will commit the file to RCS revision control AND keep a local, unlocked copy of the latest...
RCSVersion Controlci commandFile Management - Question #214Networking
What is an SO rule in the context of Snort?
SnortIDS/IPSNetwork SecuritySecurity Modules - Question #215Networking
Which of the following are valid ntop deployment scenarios? (Select THREE correct answers)
ntopnetwork monitoringtraffic analysisnetwork deployment - Question #216Service Configuration
In the Puppet centralized configuration management tool, a manifest is:
PuppetConfiguration ManagementManifestsDeclarative Configuration - Question #217Service Configuration
What is the syntax error in the following simple Puppet configuration file? class test_class { file { "/tmp/test.txt": mode => 600, owner => root, group => root } } # Define the no...
Puppet syntaxNode definitionClass inclusionConfiguration management - Question #218Service Configuration
Which of the following are valid Nagios objects? (Select THREE correct answers)
NagiosMonitoringConfiguration filesService configuration - Question #219Service Configuration
Which of the following are common techniques for securing Nagios? (Select THREE correct answers)
NagiosSecurityService HardeningAuthentication - Question #220Networking
Which of the following is not an iptables rule set?
iptablesfirewallnetworking basicspacket filtering - Question #221Networking
Which of the following are builtin chains for the iptables nat table? (Select THREE correct answers)
iptablesNATfirewall chainsnetwork configuration - Question #222Service Configuration
Which syslog configuration line will send out logged messages to a remote syslog server?
syslogrsysloglog forwardingservice configuration - Question #223Service Configuration
Which option is required to syslogd in order for it to accept remote log messages?
syslogdremote logginglogging configuration - Question #224Networking
What does the following iptables rule accomplish: iptables A INPUT s 208.77.188.166 j DROP
iptablesfirewall rulespacket filteringnetwork security - Question #225Networking
What does the following iptables rule accomplish: iptables A INPUT s 208.77.188.166 d 10.142.232.1 p tcp dport 22 j ACCEPT
iptablesfirewall rulesnetwork securitySSH - Question #226Networking
What does the following iptables rule accomplish: iptables A INPUT d 10.142.232.1 p tcp dport 20:21 j ACCEPT
iptablesFirewallNetworkingTCP/IP ports - Question #227Networking
What does the following iptables rule accomplish: iptables A INPUT s !127.0.0.0/8 p tcp dport 111 j DROP
iptablesFirewallNetwork SecurityPacket Filtering - Question #228Service Configuration
The local system administrator has created a configuration entry for apache version 2 that isn't working. What is wrong with the following configuration? <Location /members> AuthNa...
ApacheWeb ServerAuthenticationConfiguration - Question #229Service Configuration
In apache configuration which directives are used to restrict access based on host/domain name and IP address?
Apache HTTP ServerAccess ControlWeb Server ConfigurationDirectives - Question #230Essential Commands
The legacy program for sending files to the printer queues from the command line is which of the following?
PrintingCommand line utilitieslpr commandPrinter queues - Question #231Networking
Which of the following statements would create a default route using a gateway of 192.168.1.1?
RoutingDefault GatewayNetwork ConfigurationLinux Commands - Question #232Networking
Which of the following is the purpose of the dig command?
dig commandDNS lookupHostname resolutionNetworking tools - Question #233User and Group Management
Which of the following configuration files does sudo read when determining if a user is permitted to run applications with root privileges?
sudoprivilege escalationconfiguration filesaccess control - Question #234Operation of Running Systems
Which of the following commands will set the local machine's timezone to UTC?
Timezone ManagementSystem ConfigurationSymbolic Links - Question #236Essential Commands
Which of the following commands should be added to /etc/bash_profile to change the language of messages from an internationalised program to Portuguese (pt)? (Select TWO).
LocaleEnvironment VariablesShell ConfigurationInternationalization - Question #237Networking
Which of the following is pool.ntp.org?
NTPTime SynchronizationNetwork Servicespool.ntp.org - Question #238Essential Commands
Which of the following directories in a user's home contains configuration files and key rings for GPG?
GPG configurationHome directoryHidden files - Question #239Service Configuration
Which of the following lines from /etc/X11/xorg.conf indicates that fonts can be found on a font server?
xorg.confFont ServerX Window SystemConfiguration Files - Question #240User and Group Management
The files in the /etc/skel directory are used by the:
useradd command/etc/skel directoryUser creationUser management - Question #241Service Configuration
Which of the following SQL statements will select the fields name and address from the contacts table?
SQLDatabase QuerySELECT statement - Question #242Networking
Which of the following configuration files would an administrator edit to change default options for outbound ssh sessions?
SSH clientConfiguration filesNetworkingFile paths - Question #243Essential Commands
Which of the following bash option will prevent an administrator from overwriting a file with a ">"?
bashshell optionsfile redirectionnoclobber - Question #245Networking
All of the following are Mail Transport Agents EXCEPT:
Mail Transport AgentMTAMail User AgentMUAEmail components - Question #254Essential Commands
In the following command and its output, echo $$ 12942 which of the following is 12942?
Shell special variablesProcess ID (PID)Bash commandsShell scripting basics - Question #255Essential Commands
Which of the following commands will print the exit value of the previous command to the screen in bash?
Bash shellExit statusSpecial variablesCommand line - Question #256Service Configuration
Which of the following statements about crontab are true? (Select TWO).
croncrontabjob schedulingdaemon behavior - Question #260Networking
Which of the following commands is used to deactivate a network interface?
Network Interface ManagementNetworking Commandsifdown - Question #261Networking
Which of the following looks like a correct entry in the /etc/hosts file?
hosts filename resolutionIP addressingnetworking configuration - Question #262Networking
Which of the following lines would an administrator find in the file /etc/resolv.conf?
resolv.confDNS clientNetworking configurationName resolution - Question #263Essential Commands
Which of the following find commands will print out a list of suid root files in /usr?
find commandfile permissionsSUID bituser ownership - Question #264Essential Commands
Which of the following commands will provide locale-specific information about a system and its environment?
localeenvironment variablesinternationalizationsystem information - Question #265User and Group Management
Which of the following should the permission settings be for /etc/passwd and /etc/shadow?
File permissions/etc/passwd/etc/shadowSecurity - Question #266User and Group Management
Which of the following configuration files should be modified to set default shell variables for all users?
Shell configurationEnvironment variablesSystem filesUser environment - Question #268Networking
Suppose that the command netstat -a hangs for a long time without producing output. An administrator might suspect:
netstatDNSNetwork TroubleshootingCommand Hanging - Question #270Service Configuration
Which of the following statements are true regarding the below syslog.conf configuration directive? (Select THREE) *.err;kern.notice;auth.notice /dev/console
syslogloggingconfiguration fileslog levels - Question #271Operation of Running Systems
On a system running the K Display Manager, when is the /etc/kde4/kdm/Xreset script automatically executed?
Display ManagerKDMX SessionSystem scripts - Question #272User and Group Management
Which of the following is the BEST way to temporarily suspend a user's ability to interactively login?
User managementAccount suspensionInteractive loginShell access - Question #273Essential Commands
To test a shell script called myscript, the environment variable FOOBAR must be removed temporarily. How can this be done?
Environment Variablesenv commandShell ScriptingCommand Execution - Question #274User and Group Management
Which of the following commands is used to display user resource limits?
ulimitresource limitscommand-line toolsuser management - Question #275Networking
Which of the following lines would an administrator find in the file /etc/nsswitch.conf?
nsswitch.confName Service SwitchHostname ResolutionConfiguration Files