220-1102 Practice Question: Install Windows 10 on a computer that currently…

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.

• ✗

  Upgrade: Install Windows and keep files, settings, and applications

  Upgrade would replace Windows 7 with Windows 10 on the same partition, not preserving the dual-boot setup.

• ✗

  Custom: Install Windows only (advanced) and select the existing Windows 7 partition

  Installing on the same partition would overwrite Windows 7, preventing dual-boot.

• ✗

  Upgrade: Install Windows and keep nothing

  This option discards all data and applications, and still replaces the existing Windows 7.

Technical deep dive

How to think about this question

The core concept being tested here is the understanding of Windows installation types and their implications for multi-boot scenarios. Selecting 'Custom: Install Windows only (advanced)' is crucial when the goal is to install a new operating system alongside an existing one without overwriting it. In this specific scenario, the technician wants to preserve Windows 7 and install Windows 10, making a dual-boot setup necessary. By choosing the 'Custom' option, the installer provides granular control over disk partitioning and target drive selection. Directing the installation to the second, separate hard drive ensures that the Windows 7 installation on the first drive remains completely untouched, allowing both operating systems to coexist independently. The Windows 10 installer will then typically detect the existing Windows 7 and configure the boot manager to present both options at startup. This approach fundamentally differs from an 'Upgrade' installation, which is designed to replace an older version of Windows with a newer one on the *same* partition, migrating user data and settings. An upgrade would effectively remove Windows 7, failing to meet the requirement of keeping both operating systems. Similarly, choosing 'Custom' but then selecting the *existing Windows 7 partition* would also result in Windows 7 being overwritten, as a clean installation on an occupied partition typically formats it first. The availability of a second hard drive is a key enabler for this dual-boot strategy, providing a dedicated space for the new operating system without disturbing the old one.

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