Which of the following best describes a primary benefit of using Platform-as-a-Service (PaaS) compared to On-Premise, IaaS, and SaaS models?

• A.PaaS offers complete control over physical hardware, allowing for highly customized networking and storage setups.
• B.PaaS delivers ready-to-use applications with minimal user configuration, requiring no deployment or development effort.
• C.PaaS provides a managed environment where developers can deploy applications without managing infrastructure or operating systems.
• D.PaaS gives administrators access to virtual machines, enabling custom OS installations and full system-level control.

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A system administrator needs to check the status of multiple systemd services at the same time on a Linux server. Which command should be used?

• A.systemctl list-units --type=service
• B.service status service1 service2 service3
• C.systemctl status service1 service2 service3
• D.systemctl status --all

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What command do you use to view the structure of system directory hierarchies?

• A.ls tree
• B.fee | ls /etc
• C.ls -t
• D.tree

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A server reports that a partition is full, but adding up the file sizes in the directory does not appear to account for the used space. Which pair of commands should the administrator use to compare filesystem-level usage with directory-level usage?

• A.ls and stat
• B.df and du
• C.fsck and mount
• D.lsblk and blkid

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What is an appropriate cost consideration when implementing serverless functions in the cloud?

• A.Runtime environment and container configuration
• B.vCPU resources and disk cache
  B Elapsed lime of function execution and memory used
• C.Virtual machine configuration and memory allocation

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