Which of the following tools is commonly used for creating CI/CD pipelines?

• A.Chef
• B.Puppet
• C.Jenkins
• D.Ansible

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After installing a new version of a package, a systems administrator notices a new version of the corresponding, service file was Installed In order to use the new version of the, service file, which of the following commands must be Issued FIRST?

• A.systemctl status
• B.systemctl stop
• C.systemctl reinstall
• D.systemctl daemon-reload

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The application team has reported latency issues that are causing the application to crash on the Linux server.
The Linux administrator starts
troubleshooting and receives the following output:

Which of the following commands will improve the latency issue?

• A.# echo 'net.core.net_backlog = 5000000' >> /etc/sysctl.conf
  # sysctl -p
  # systemctl daemon-reload
• B.# ifdown eth0
  # ip link set dev eth0 mtu 800
  # ifup eth0
• C.# systemctl stop network
  # ethtool -g eth0 512
  # systemctl start network
• D.# echo 'net.core.rmem max = 12500000' >> /etc/sysctl.conf
  # echo 'net.core.wmem_max = 12500000' >> /etc/sysctl.conf
  # sysctl -p

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A Linux administrator was asked to run a container with the httpd server inside. This container should be exposed at port 443 of a Linux host machine while it internally listens on port 8443. Which of the following commands will accomplish this task?

• A.podman run -d -p 443:8443 httpd
• B.podman run -d -p 8443:443 httpd
• C.podman run -d -e 443:8443 httpd
• D.podman exec -p 8443:443 httpd

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A systems administrator is encountering performance issues. The administrator runs 3 commands with the following output

The Linux server has the following system properties
CPU: 4 vCPU
Memory: 50GB
Which of the following accurately describes this situation?

• A.The system is under CPU pressure and will require additional vCPUs
• B.The system has been running for over a year and requires a reboot.
• C.Too many users are currently logged in to the system
• D.The system requires more memory

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