Sample Questions:
Which of the following is the purpose of the vmlinux file on a Linux system?
To prevent a Linux kernel panic
To start a Linux virtual machine
To provide the executable kernel for the system
To enable resource access to the network
Which of the following is a difference between YAML and JSON?
Users can comment in YAML but not in JSON
JSON only curly brackets, while YAML only uses square brackets
JSON is used in web development, while YAML is used solely in back-end systems.
YAML has been deprecated for JSON.
A systems administrator has finished building a new feature for the monitoring software in a separate Git branch. Which of the following is the BEST method for adding the new feature to the software’s master branch?
Merge the changes from the feature branch to the master branch.
Save the changes to the master branch automatically with each Git commit.
Clone the feature branch into the master branch.
Pull the changes from the feature branch into the master branch.
A systems administrator wants to deploy several applications to the same server quickly. Each application should be abstracted from the host with its own dependencies and libraries and utilize a minimal footprint. Which of the following would be BEST in this scenario?
Virtual machines
Type 2 hypervisor
Chroot jails
Containers
A systems administration team has decided to their systems as immutable instances. They keep the desired state of each of their systems in version control and apply automation whenever they provision a new instance. If there is an issue with
one of their servers, instead of troubleshooting the issue they terminate the instance and rebuild it using automation. Which of the following is this an example of?
Inventory
Orchestration
Infrastructure as code
Agentless deployment
A Linux systems administrator needs to provision multiple web servers into separate regional datacenters. The systems architect has instructed the administrator to define the server infrastructure using a specific tool that consumes a text based
file. Which of the following is the BEST reason to do this?
To document the infrastructure so it can be included in the system security plan
To ensure the administrator follows the planning phase of the system development life cycle
To define the infrastructure so it can be provisioned consistently with minimal manual tasks
To validate user requirements have been met within each regional datacenter for compliance
A Linux administrator needs to switch from text mode to GUI. Which of the following run levels will start the GUI by default?
Run level 3
Run level 4
Run level 5
Run level 6