220-1102 Practice Question: A technician is setting up a new computer for a…

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

Answer analysis

Why the other options are wrong

Understanding why incorrect options are tempting is as important as knowing the correct answer.

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  Disable Secure Boot in the UEFI firmware settings

  Some Linux distributions require Secure Boot to be disabled, but this is distribution-dependent and not always necessary. Creating unallocated space is the fundamental requirement.

• ✗

  Format a partition as ext4 using Windows Disk Management

  Windows cannot format partitions as ext4 natively. Linux formatting is done during its own installation process.

• ✗

  Enable BitLocker encryption on the Windows partition

  BitLocker is not required for dual-booting and would add complexity, potentially causing issues with Linux accessing the Windows partition.

Technical deep dive

How to think about this question

When setting up a dual-boot system where Windows has already been installed on the entire drive, the fundamental requirement for installing a second operating system like Linux is to create space for it. Windows, by default, will occupy all available space if not partitioned during its installation. The `Shrink Volume` feature within Windows Disk Management allows a technician to reduce the size of an existing partition, typically the C: drive, thereby freeing up a contiguous block of space on the hard drive. This newly created space will appear as 'unallocated' in Disk Management. The Linux installer can then detect this unallocated space and use it to create its own necessary partitions, such as the root (/) partition, a swap partition, and potentially a separate /home partition, formatted with Linux-native file systems like ext4. This process is crucial because without unallocated space, the Linux installer would either attempt to resize an existing Windows partition (which can be risky and is not always supported by all installers or configurations) or require the technician to manually delete existing partitions, leading to data loss. While disabling Secure Boot (Option B) might be necessary for some Linux distributions, it's a post-partitioning step related to boot security, not space allocation. Formatting a partition as ext4 using Windows Disk Management (Option C) is impossible as Windows does not natively support ext4. Enabling BitLocker (Option D) is an encryption feature that adds complexity and is not a prerequisite for dual-booting; in fact, it could complicate the Linux installation or access to the Windows partition.

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