220-1201 Practice Question: A user wants to upgrade their laptop from a 500GB…

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✗

  Another 5400 RPM HDD with a larger cache

  Why it's wrong here

  Upgrading to another 5400 RPM HDD, even with a larger cache, offers minimal performance improvement over the existing drive. Hard disk drives are inherently limited by mechanical components, such as platters spinning at 5400 revolutions per minute and read/write heads seeking data, resulting in significantly slower random access times and overall data transfer rates compared to solid-state drives. This option would not provide the substantial speed increase typically desired in a laptop upgrade.

• ✗

  A 10,000 RPM HDD

  Why it's wrong here

  A 10,000 RPM HDD, while offering faster rotational speeds and potentially better sequential read/write performance than a 5400 RPM drive, is generally unsuitable for a laptop environment. The increased rotational speed leads to higher power consumption, which negatively impacts battery life, and generates more heat, posing challenges for a laptop's compact thermal management system. Furthermore, these drives are often noisier and more susceptible to damage from drops due to their mechanical nature.

• ✓

  A SATA solid-state drive (SSD)

  Why this is correct

  A SATA solid-state drive (SSD) is the optimal upgrade choice for a laptop due to its superior performance characteristics. SSDs utilize NAND flash memory, providing dramatically faster boot times, application loading, and overall system responsiveness compared to any traditional hard disk drive. They also consume significantly less power, extending battery life, operate silently with no moving parts, and offer greater durability against physical shock, making them ideal for portable devices.

• ✗

  An external USB flash drive

  Why it's wrong here

  An external USB flash drive is not a viable solution for upgrading a laptop's internal primary storage. While useful for portable data storage, it cannot function as a permanent, internal boot drive for the operating system. The USB interface, even modern versions, typically has lower sustained bandwidth and higher latency compared to an internal SATA connection, leading to much slower performance for system operations. Additionally, it lacks the physical integration and robustness required for an internal drive.

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