A Linux administrator needs to take stock of USB devices attached to the system.
Which of the following commands would be BEST to complete this task?

• A.modprobe --usb
• B.lspci
• C.lsusb
• D.cat /proc/USB

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Which of the following is the BEST reason for not storing database files in the /var directory?

• A.Files in /var do not have strict file permissions.
• B.The number of files in /var is limited by the available inodes.
• C.If log files fill up /var, it might corrupt the database.
• D.The /var filesystem is not fast enough for database files.

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A Linux administrator needs to remove a USB drive from a system. The unmount command fails, stating the device is busy. Which of the following commands will show the reason for this error?

• A.lsof | grep /mnt/usb
• B.mount | grep /mnt/usb
• C.lsusb | grep /mnt/usb
• D.ps aux | grep /mnt/usb

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A systems administrator documents the instructions on the internal wiki regarding how to turn the company's code into Debian packages. The instructions include the commands used to compile, what tests need to be run, the commands to convert the raw code into a package that aptor dpkgcan manage, as well as an explanation of each command.
Which of the following is this an example of?

• A.Attributes
• B.Infrastructure as code
• C.Procedures
• D.Configuration management

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An administrator is setting UP a NAT gateway. Two interfaces have been configured:

The firewall configuration has been completed:

The IP forwarding configuration parameter is:

When testing the NAT from a workstation, the administrator encounters an issue:

Which of the following is the MOST likely cause of the packet loss?

• A.The firewall is blocking the connection.
• B.The MASQUERADE source and destination are in the incorrect order,
• C.IPv4 forwarding has not been enabled on the NAT gateway
• D.The etho interface is wrong.

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