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NEW QUESTION # 423
A Linux systems administrator is setting up SSH access with PKI for several using their newly created RSA keys. Which of the following MOST securely achieves this task?

A. Use curl to copy each user's public key file to the respective systemB. Use cp to copy each user's public key file to the respective systemC. Use ssh-copy-id to copy each user's private key file to the respective systemD. Use ssh-copy-id to copy each user's public key file to the respective system

Answer: D


NEW QUESTION # 424
Users in the payroll department are not configured to use DNS due to security concerns. The users ask the junior Linux administrator to configure their workstations to access the payroll server at 192.168.204.11 by the name "Payroll". Which of the following commands should the administrator issue to meet this request?

A. echo "192.168.204.11 Payroll" >> /etc/hostsB. echo "net.ipv4.ip_dynaddr=192.168.204.11 Payroll" >> /etc/sysctl.confC. echo "nameserver 192.168.204.11 #Payroll" >> /etc/resolv.confD. echo 'IPADDR="192.168.204.11" #Payroll' >> /etc/network/interface

Answer: A


NEW QUESTION # 425
A server is almost out of free memory and is becoming unresponsive. Which of the following sets of commands will BEST mitigate the issue?

A. fdisk, mkswap, swapon -aB. free, fack, partprobeC. lsof, lvcreate, mdadmD. df, du, rmmod

Answer: B


NEW QUESTION # 426
An administrator notices a website hosted on an httpd web server is not loading. Upon further inspection, the administrator learns there are no httpd processes running. When starting the service, the site operates correctly for a few minutes before the process disappears again.
Which of the following should the administrator consider as the MOST likely possibility before troubleshooting the issue?

A. Shared libraries, which were recently updated, are causing compatibility issues and httpd to die due to version mismatch.B. The server is intermittently losing access to the network, causing socket errors that trigger httpd to die.C. The CPU has too much load, causing it to overheat, and the kernel is automatically killing the processes to keep the CPU cool.D. An external database to which the web server connects is offline, causing httpd to die due to execution errors.E. The out-of-memory killer was activated due to low available memory, causing the kernel to kill the processes automatically.

Answer: E


NEW QUESTION # 427
A Linux administrator built a GitLab server. Later that day, a software engineer tried to access the server to upload the repository during the final step of installation. The software engineer could not access the website.
Which of the following firewall rules would allow access to this site?

A. iptables -A INPUT -p tcp -m multiport --dports 80,443 -m conntrack -cstate NEW, ESTABLISHED -j REJECTB. iptables -A INPUT -p tcp -m multiport --dports 80,443 -m conntrack -cstate ESTABLISHED -j ACCEPTC. iptables -A INPUT -p tcp -m multiport --dports 80,443 -m conntrack -cstate RELATED, ESTABLISHED -j ACCEPTD. iptables -A INPUT -p tcp -m multiport --dports 80,443 -m conntrack -cstate NEW, ESTABLISHED -j ACCEPT

Answer: C


NEW QUESTION # 428
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