Which of the following commands should the administrator use for this task?
A new file was added to a main Git repository. An administrator wants to synchronize a local copy with the contents of the main repository. Which of the following commands should the administrator use for this task?A . git reflogB . git pullC . git statusD . git pushView AnswerAnswer:...
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 will accomplish this task?
0.2.25 on port 3128. Which of the following commands will accomplish this task?A . iptables -t nat -D PREROUTING -p tcp --sport 80 -j DNAT - -to-destination 192.0.2.25:3128B . iptables -t nat -A PREROUTING -p top --dport 81 -j DNAT C-to-destination 192.0.2.25:3129C . iptables -t nat -I PREROUTING -p top...
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 commands would resolve the issue and allow an SSH connection to be established without a password?
A junior administrator is trying to set up a passwordless SSH connection to one of the servers. The administrator follows the instructions and puts the key in the authorized_key file at the server, but the administrator is still asked to provide a password during the connection. Given the following output:...
Which of the following files must be updated to ensure the filesystem mounts at boot time?
A Linux administrator created a new file system. Which of the following files must be updated to ensure the filesystem mounts at boot time?A . /etc/sysctlB . /etc/filesystemsC . /etc/fstabD . /etc/nfsmount.confView AnswerAnswer: C Explanation: The file that must be updated to ensure the filesystem mounts at boot time is...
Which of the following commands will extract the files?
A Linux administrator recently downloaded a software package that is currently in a compressed file. Which of the following commands will extract the files?A . unzip -vB . bzip2 -zC . gzipD . funzipView AnswerAnswer: C Explanation: The command gzip can extract files that are compressed with the gzip format,...
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 should administrator use to resolve the device mismatch issue and mount the disk?
A Linux administrator cloned an existing Linux server and built a new server from that clone. The administrator encountered the following error after booting the cloned server: The administrator performed the commands listed below to further troubleshoot and mount the missing filesystem: Which of the following should administrator use to...
Which of the following tools is commonly used for creating CI/CD pipelines?
Which of the following tools is commonly used for creating CI/CD pipelines?A . ChefB . PuppetC . JenkinsD . AnsibleView AnswerAnswer: C Explanation: The tool that is commonly used for creating CI/CD pipelines is Jenkins. Jenkins is an open-source automation server that enables continuous integration and continuous delivery (CI/CD) of...