Boot disk images in GCP - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a boot disk image in Google Cloud Platform?

A boot disk image is a pre-configured template that contains an operating system and software. It is used to create the boot disk for a virtual machine instance in Google Cloud.

beginner

How does a boot disk image relate to a VM instance startup?

When a VM instance starts, it uses the boot disk image to load the operating system and initial software needed to run the instance.

intermediate

Can you customize a boot disk image in GCP?

Yes, you can create custom boot disk images by configuring a VM instance and then saving its disk as an image to reuse for other instances.

intermediate

What is the difference between a public image and a custom image in GCP?

Public images are provided by Google and include common OS options. Custom images are created by users from their own VM disks to include specific configurations or software.

beginner

Why is it important to choose the right boot disk image for your VM?

Choosing the right boot disk image ensures your VM has the correct operating system and software environment, which affects performance, compatibility, and security.

What does a boot disk image contain in GCP?

A Network configuration only

B User data and application logs

C Operating system and software to start a VM

D Backup files of VM

A boot disk image contains the operating system and software needed to start a virtual machine.

Which of the following is true about custom boot disk images?

A They are created by users from existing VM disks

B They can only be created by Google

C They cannot be used to create new VMs

D They include only network settings

Custom boot disk images are created by users from existing VM disks to reuse specific configurations.

What happens if you choose the wrong boot disk image for your VM?

A The VM will always start successfully

B The VM will connect to the wrong network

C The VM will delete all data automatically

D The VM might have performance or compatibility issues

Choosing the wrong boot disk image can cause performance or compatibility problems for the VM.

Public boot disk images in GCP are:

A Provided by Google with common operating systems

B Created by users for private use

C Only available for Windows OS

D Automatically deleted after VM shutdown

Public boot disk images are provided by Google and include common operating systems like Linux and Windows.

When does a VM instance use the boot disk image?

A Only during shutdown

B When starting up to load the OS

C When backing up data

D When connecting to the internet

The VM uses the boot disk image during startup to load the operating system.

Explain what a boot disk image is and why it is important for a VM instance in GCP.

Think about what a VM needs to start and run.

Describe the difference between public and custom boot disk images in Google Cloud Platform.

Consider who creates the image and why.