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Which of the following is the correct list of commands to achieve this goal?
A systems engineer is adding a new 1GB XFS filesystem that should be temporarily mounted under /ops/app. Which of the following is the correct list of commands to achieve this goal? A) B) C) D) A . Option A B. Option B C. Option C D. Option DView AnswerAnswer: D
Which of the following environment variables must be set in remote shell in order to launch the graphical interface?
A developer is trying to install an application remotely that requires a graphical interface for installation. The developer requested assistance to set up the necessary environment variables along with X11 forwarding in SSH. Which of the following environment variables must be set in remote shell in order to launch the...
Which of the following would prevent this issue from reoccurring in the future?
A Linux administrator rebooted a server. Users then reported some of their files were missing. After doing some troubleshooting, the administrator found one of the filesystems was missing. The filesystem was not listed in /etc/f stab and might have been mounted manually by someone prior to reboot. Which of the...
Which of the following commands will achieve this goal?
A Linux administrator wants to set the SUID of a file named dev_team.text with 744 access rights. Which of the following commands will achieve this goal?A . chmod 4744 dev_team.txt B. chmod 744 --setuid dev_team.txt C. chmod -c 744 dev_team.txt D. chmod -v 4744 --suid dev_team.txtView AnswerAnswer: A
Which of the following commands should be used to set filename.log permissions to -rwxr―r--. ?
A Linux administrator needs to correct the permissions of a log file on the server. Which of the following commands should be used to set filename.log permissions to -rwxr―r--. ?A . chmod 755 filename.log B. chmod 640 filename.log C. chmod 740 filename.log D. chmod 744 filename.logView AnswerAnswer: D
Which of the following is MOST likely the cause of the issue?
A server is experiencing intermittent connection issues. Some connections to the Internet work as intended, but some fail as if there is no connectivity. The systems administrator inspects the server configuration: Which of the following is MOST likely the cause of the issue?A . An internal-only DNS server is configured....
In which of the following locations should the administrator place the public keys for the server?
A systems administrator is tasked with setting up key-based SSH authentication. In which of the following locations should the administrator place the public keys for the server?A . ~/.sshd/authkeys B. ~/.ssh/keys C. ~/.ssh/authorized_keys D. ~/.ssh/keyauthView AnswerAnswer: C
Which of the following commands will remediate and help resolve the issue?
Some servers in an organization have been compromised. Users are unable to access to the organization’s web page and other services. While reviewing the system log, a systems administrator notices messages from the kernel regarding firewall rules: Which of the following commands will remediate and help resolve the issue? A)...
Which of the following commands should the systems administrator execute NEXT to troubleshoot this issue?
A systems administrator is notified that the mysqld process stopped unexpectedly. The systems administrator issues the following command: sudo grep Ci -r ‘out of memory’ /var/log The output of the command shows the following: kernel: Out of memory: Kill process 9112 (mysqld) score 511 or sacrifice child. Which of the...
Which of the following commands is the correct way to accomplish this task?
A systems administrator needs to reconfigure a Linux server to allow persistent IPv4 packet forwarding. Which of the following commands is the correct way to accomplish this task?A . echo 1 > /proc/sys/net/ipv4/ipv_forward B. sysctl -w net.ipv4.ip_forward=1 C. firewall-cmd --enable ipv4_forwarding D. systemctl start ipv4_forwardingView AnswerAnswer: B
