Which of the following is causing the issue?
When trying to log in remotely to a server, a user receives the following message: The server administrator is investigating the issue on the server and receives the following outputs: Which of the following is causing the issue?A . The wrong permissions are on the user’s home directory.B . 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_forwardB . sysctl -w net.ipv4.ip_forward=1C . firewall-cmd --enable ipv4_forwardingD . systemct1 start ipv4_forwardingView AnswerAnswer: B Explanation: The command...
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 AB . Option BC . Option CD . Option DView AnswerAnswer: D...
Which of the following commands should replace the <CONDITIONAL> string?
A user is asking the systems administrator for assistance with writing a script to verify whether a file exists. Given the following: Which of the following commands should replace the <CONDITIONAL> string?A . if [ -f "$filename" ]; thenB . if [ -d "$filename" ]; thenC . if [ -f...
Which of the following commands could the engineer use to query the DNS server to get mail server information?
A Linux engineer set up two local DNS servers (10.10.10.10 and 10.10.10.20) and was testing email connectivity to the local mail server using the mail command on a local machine when the following error appeared: The local machine DNS settings are: Which of the following commands could the engineer use...
Which of the following commands will provide the correct information?
A Linux administrator wants to find out whether files from the wget package have been altered since they were installed. Which of the following commands will provide the correct information?A . rpm -i wgetB . rpm -qf wgetC . rpm -F wgetD . rpm -V wgetView AnswerAnswer: D Explanation: The...
Which of the following commands will accomplish this task?
Due to low disk space, a Linux administrator finding and removing all log files that were modified more than 180 days ago. Which of the following commands will accomplish this task?A . find /var/log -type d -mtime +180 -print -exec rm {} ;B . find /var/log -type f -modified +180...
Which of the following technologies is the administrator using?
A systems administrator is deploying three identical, cloud-based servers. The administrator is using the following code to complete the task: Which of the following technologies is the administrator using?A . AnsibleB . PuppetC . ChefD . TerraformView AnswerAnswer: D Explanation: The code snippet is written in Terraform language, which is...
Which of the following commands can be used to address this issue?
A Linux system fails to start and delivers the following error message: Which of the following commands can be used to address this issue?A . fsck.ext4 /dev/sda1B . partprobe /dev/sda1C . fdisk /dev/sda1D . mkfs.ext4 /dev/sda1View AnswerAnswer: A Explanation: The command fsck.ext4 /dev/sda1 can be used to address the issue....
Which of the following commands can help to accomplish this task?
A Linux administrator needs to create a new cloud.cpio archive containing all the files from the current directory. Which of the following commands can help to accomplish this task?A . ls | cpio -iv > cloud.epioB . ls | cpio -iv < cloud.epioC . ls | cpio -ov > cloud.cpioD...