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Quiz CompTIA - XK0-004 - CompTIA Linux+ Certification Exam –Valid Test Collection

NEW QUESTION 34 A Linux systems administrator needs to set permissions on an application with the following parameters: The owner of the application should be able to read, write, and execute the application. Members of the group should be able to read and execute the application. Everyone else should not have access to the application. Which of the following commands would BEST accomplish these tasks?

  • A. chmod 730 <application name>
  • B. chmod 750 <application name>
  • C. chmod 710 <application name>
  • D. chmod 760 <application name>

Answer: D   NEW QUESTION 35 A Linux user needs to create a file named newfile in the home directory that mirrors the contents of the / etc/resolv.conf file. Which of the following commands would accomplish this task?

  • A. printf /etc/resolv.conf > /home/user/newfile
  • B. grep /etc/resolv.conf < /home/user/newfile
  • C. echo /etc/resolv.conf > /home/user/newfile
  • D. cat /etc/resolv.conf > /home/user/newfile

Answer: D   NEW QUESTION 36 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 -A -p tcp -d 192.168.10.24 -dropt 22 -j REJECT
  • B. iptables -A -p tcp -d 192.168.10.24 -dropt 22 -j DROP
  • C. iptables -A -p tcp -d 192.168.10.24 -dropt 22 -j FORWARD
  • D. iptables -A -p tcp -d 192.168.10.24 -dropt 22 -j REFUSE

Answer: A Explanation: Explanation Explanation/Reference: https://www.golinuxhub.com/2014/03/how-to-allowblock-ssh-connection-from.html   NEW QUESTION 37 Users are unable to connect to a server using HTTPS. The administrator runs the following command on the remote system: Then, the administrator runs the following command from a local workstation: Which of the following steps should the administrator take to address the issue?

  • A. Configure the application to run on an active port
  • B. Start the application to run on port 443
  • C. Update the self-signed certificate
  • D. Allow port 443 through the firewall

Answer: D   NEW QUESTION 38 ......