102.6 Linux as a Virtualization Guest LPIC-1 Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A Linux guest on a KVM host needs a static IP address because it runs a database that other VMs must reach reliably. The administrator has configured the network interface in the guest's /etc/network/interfaces file. Which additional step is required to ensure the static IP is applied on boot?

   • ARestart the networking service or reboot the guest.
   • BAdd the IP to /etc/hosts.
   • CRun dhclient to obtain a lease.
   • DLoad the virtio_net module.
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2. 17application · medium

   An administrator is configuring a Linux VM on a host with 16 GB RAM and 8 CPU cores. The VM will run a web server that typically uses 2 GB RAM and 1 CPU core. To avoid wasting host resources while allowing for occasional spikes, which configuration is most appropriate?

   • AAllocate 4 GB RAM and 2 vCPUs to the VM.
   • BAllocate 16 GB RAM and 8 vCPUs to the VM.
   • CAllocate 8 GB RAM and 4 vCPUs to the VM.
   • DAllocate 2 GB RAM and 1 vCPU to the VM.
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4. 18foundation · easy

   A Linux guest is experiencing poor performance. Which command can be used inside the guest to check CPU and memory usage?

   • Alsblk
   • Bmount
   • Ctop
   • Dping
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5. 19expert · hard

   An administrator needs to add a second virtual disk to a Linux VM to store application logs. The disk will be attached as /dev/vdb. The administrator wants the disk to be automatically mounted at /var/log/app on boot. Which set of steps is required?

   • APartition the disk and mount it manually.
   • BCreate a filesystem on the disk and add it to /etc/fstab.
   • CAdd an entry to /etc/fstab and reboot the guest.
   • DPartition the disk, create a filesystem, add an entry to /etc/fstab, and mount the filesystem.
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6. 20foundation · easy

   In a virtualized environment, what is the role of a guest operating system?

   • AIt manages the physical hardware and provides resources to virtual machines.
   • BIt provides a graphical interface for managing virtual machines.
   • CIt is a special tool that converts physical machines into virtual machines.
   • DIt runs inside a virtual machine and uses virtualized hardware provided by the hypervisor.
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