LX0-104 Exam Questions
499 real LX0-104 exam questions with expert-verified answers and explanations. Page 8 of 10.
- Question #466Networking Fundamentals
What file is typically used to display messages at the login prompt when remote users telnet in to the machine?
login banner/etc/issue.nettelnetremote login - Question #467Networking Fundamentals
Which of the following information is not provided by the command netstat?
netstatnetwork diagnosticsnetwork connectionsrouting - Question #468Networking Fundamentals
Which of the following is an example of an ICMP packet with a message type?
ICMPPingnetwork protocolsmessage types - Question #469Shells, Scripting and Data Management
Which of the following find command will print out a list of suid root files in /usr?
find commandSUIDfile permissionsroot user - Question #470Shells, Scripting and Data Management
Man pages cover what topics? (Choose Three)
man pagesdocumentationsystem commandslibraries - Question #471Networking Fundamentals
Which of the following lines would you find in the file /etc/hosts?
/etc/hostsDNS resolutionIP addresshostname mapping - Question #472Essential System Services
The user bob complains that he cannot access his email. In which directory would you look to see if there is any deliverable email for him?
emailmail spool/var/spool/mailtroubleshooting - Question #473Security
To avoid spammers using your mail server to relay their messages, you need to _______.
sendmailmail relayanti-spammail server configuration - Question #474User Interfaces and Desktops
One of your users has installed a commercial publishing program that works under X on a variety of UNIX and Linux platforms. The user made a series of configuration changes regardi...
X Window SystemX resources~/.Xdefaultsuser configuration - Question #475Administrative Tasks
Which of the following answers regarding user account configuration are true?(Choose two)
user accountscase sensitivityusernamepassword - Question #476Administrative Tasks
Which commands can you use to change a user's password expiry information? (Choose Three)
user managementpassword expiryusermodpasswdchage - Question #477Networking Fundamentals
Your machine's IP address used to function, but it's only got the localhost "lo" entry now. What three client-mode commands could you possibly use to get a new DHCP address?
DHCP clientnetwork configurationdhclientpumpdhcpcd - Question #478Networking Fundamentals
Which of the following lines would you expect to see in the file /etc/services?
/etc/servicesport numbersnetwork servicesUDP/TCP - Question #480Essential System Services
Which file is responsible for configuring the inet daemon?
inetddaemon configuration/etc/inetd.confnetwork services - Question #481Networking Fundamentals
Which of the following lines would you expect to see in the file /etc/protocols?
/etc/protocolsnetwork protocolsfile format - Question #482Networking Fundamentals
The following excerpt is from what standard network configuration file? ftp 21/tcp fsp 21/udp fspd ssh 22/tcp # SSH Remote Login Protocol ssh 22/udp telnet 23/tcp smtp 25/tcp mail...
/etc/servicesnetwork portsnetwork services - Question #483Essential System Services
The user space log daemon is called ...?
logging daemonsyslogdsystem logging - Question #484Administrative Tasks
How can you verify the integrity of the /etc/passwd file?
password file integritypwck/etc/passwd - Question #486User Interfaces and Desktops
Which of the following lines is an example of a correct setting for the DISPLAY environment variable?
DISPLAY environment variableX Window Systemremote display - Question #487Security
Which of the following characters in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?
/etc/passwd/etc/shadowpassword storageuser authentication - Question #488Administrative Tasks
Which of the following commands can be used to change a user's account aging information? (Select THREE).
user account agingusermodpasswdchage - Question #489Security
Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?
/etc/shadowpassword securitybrute-force attacksfile permissions - Question #490Administrative Tasks
Of the ways listed, which is the best way to temporarily suspend a single user's ability to interactively login?
user account suspensionchageaccount expirationuser management - Question #491Essential System Services
Which crontab entry could be used to set the system time at regular intervals?
cron jobsntpdatetime synchronizationsystem time - Question #492Shells, Scripting and Data Management
Which of the following commands can be used to convert text files in one character encoding to another character encoding?
character encodingiconvtext file conversion - Question #495Essential System Services
Which of the following commands is used on the command line to send messages to the syslog systems.
syslog messageslogger commandsystem logging - Question #496Essential System Services
According to the FHS, where are user mailboxes kept? Assume that mail is not being delivered to somewhere in their home directories.
FHSmailboxes/var/mailemail storage - Question #499Essential System Services
The legacy program, provided by CUPS for sending files to the printer queues on the command line is:
CUPSlprprint commandprinter queue - Question #502Essential System Services
Which of the following is the purpose of the nsswitch.conf file?
nsswitch.confsystem configurationname resolution - Question #503Networking Fundamentals
Identify the statement that would create a default route using a gateway of 192.168.1.1.
default routenetwork configurationroute command - Question #505Networking Fundamentals
Which of the following commands can deconfigure a network interface?
ifconfignetwork interfacenetwork configuration - Question #506Networking Fundamentals
Which of the following commands manipulates the TTL (Time to Live) field in the IP protocol in order to get ICMP responses from gateways along the path to a host?
tracerouteTTLICMPnetwork diagnostics - Question #507Administrative Tasks
Which of the following commands is used to set restrictions on the size of a core file that is created for a user when a program crashes?
ulimitcore fileresource limits - Question #508Security
Which of the following configurations file does sudo read when determining if a user is permitted to run applications with root privileges?
sudosudoersprivilege escalationaccess control - Question #510Security
When generating new authentication keys with SSH for a user, where should the private key be kept?
SSH keysprivate key securityauthenticationkey management - Question #512Shells, Scripting and Data Management
Which of the following benefits does an alias in bash provide?
bash aliasshell scriptingcommand shortcuts - Question #513Shells, Scripting and Data Management
An administrator is looking into a new script they received from a senior executive. In the very first line the administrator notices a #! followed by a file path. This indicates t...
shebangscript executioninterpretersshell scripting - Question #515Security
Why is the xhost program considered dangerous to use?
xhostX server securityaccess controlgraphical desktop - Question #518Administrative Tasks
Of the ways listed, which is the best method to temporarily suspend a user's ability to interactively login?
user account suspensionchage commandaccount expiryuser management - Question #519Administrative Tasks
Which of the following is the conventional purpose of Linux UIDs that are lower than 100?
UIDssystem accountsuser managementuser identifiers - Question #520Essential System Services
How is the file format of /etc/crontab different from a normal crontab file? (Select TWO).
crontabscheduled taskssystem-wide cronuser cron - Question #521Shells, Scripting and Data Management
Which of the following is the main difference between the batch and at commands?
at commandbatch commandjob schedulingsystem load - Question #522Administrative Tasks
The correct crontab entry to execute the script chklog three times per month between 3 p.m. and 5 p.m.:
cronjob schedulingsystem administration - Question #523Administrative Tasks
On a dual boot system, every time the system is booted back into Linux the time has been set backward by one day. Which of the following commands will correct the problem?
system timehwclocktime synchronizationdual boot - Question #524Essential System Services
Which of the following commands should be used to print a listing of email in the system's mail queue?
mail queueemail management - Question #527Networking Fundamentals
Which of the following statements is true regarding the following /etc/resolv.conf file? search example.com nameserver 208.77.188.166 nameserver 208.77.188.167
DNSresolv.confdomain resolution - Question #530Networking Fundamentals
An administrator suspects that a gateway machine on the network has failed but they are unsure which machine. Which of the following commands will help locate the problem?
network troubleshootinggatewaytraceroute - Question #533Security
Which of the following commands is used to hold keys during a login session to be used for automatic authentication while logging in to other machines using ssh?
SSHauthenticationssh-agentkey management - Question #534Shells, Scripting and Data Management
What keyword is missing from this code sample of a shell script? ____ i in *.txt; do echo $i done
shell scriptingfor loopbash - Question #535Shells, Scripting and Data Management
Which of the following bash options will prevent an administrator from overwriting a file with a ">"?
bash shellredirectionfile overwritingnoclobber