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Which of the following commands should the administrator use?
A Linux administrator is testing connectivity to a remote host on a shared terminal. The administrator wants to allow other users to access the terminal while the command is executing. Which of the following commands should the administrator use?A . bg ping remotehostB . fg ping remotehostC . ping remotehost...
Which of the following runlevels will start the GUI by default?
A Linux administrator needs to switch from text mode to GUI. Which of the following runlevels will start the GUI by default?A . Runlevel 3B . Runlevel 4C . Runlevel 5D . Runlevel 6View AnswerAnswer: C
Which of the following will the administrator use to find all unsuccessful login attempts?
An administrator is analyzing a Linux server which was recently hacked. Which of the following will the administrator use to find all unsuccessful login attempts?A . nsswitchB . faillockC . pam_tally2D . passwdView AnswerAnswer: C
Which of the following commands would allow the administrator to download the current contents of the URL before updating?
A Linux administrator needs to remotely update the contents of the www.comptia.org/contacts URL. Which of the following commands would allow the administrator to download the current contents of the URL before updating?A . curl www.comptia.org/contactsB . dig www.comptia.org/contactsC . apt-get www.comptia.org/contactsD . yum list www.comptia.org/contactsView AnswerAnswer: A
Which of the following commands would BEST assists the administrator in identifying the problem?
An administrator receives a warning about a file system filling up, and then identifies a large file located at /tmp/largelogfile. The administrator deletes the file, but no space is recovered on the file system. Which of the following commands would BEST assists the administrator in identifying the problem?A . lsof...
Which of the following is the BEST reason for not storing database files in the /var directory?
Which of the following is the BEST reason for not storing database files in the /var directory?A . The /var filesystem is not fast enough for database files.B . The number of files in /var is limited by the available inodes.C . Files in /var do not have strict file...
Which of the following commands would BEST accomplish this task?
A Linux server has multiple IPs. A Linux administrator needs to verify if the HTTP server port is bound to the correct IP. Which of the following commands would BEST accomplish this task?A . routeB . hostC . nslookupD . netstatE . ipView AnswerAnswer: D
Which of the following is the correct sequence given only a terminal is available?
After starting a long-running script, a systems administrator needs to verify the frequency of what is filling up the /var partition and kill it because it is consuming too much space. Which of the following is the correct sequence given only a terminal is available?A . 1. CTRL-C2. bg3. watch...
Which of the following can be used to boot a DVD from a remote device to initialize a Linux system setup on bare metal hardware as if it is a local DVD?
Which of the following can be used to boot a DVD from a remote device to initialize a Linux system setup on bare metal hardware as if it is a local DVD?A . UEFIB . PXEC . NFSD . GRUBView AnswerAnswer: A
Which of the following rules was MOST likely implemented?
An administrator is attempting to block SSH connections to 192.168.10.24 using the Linux firewall. After implementing a rule, a connection refused error is displayed when attempting to SSH to 192.168.10.24. Which of the following rules was MOST likely implemented?A . iptables CA Cp tcp Cd 192.168.10.24 Cdropt 22 Cj REJECTB...
