CompTIA · A+ 220-1201
RAM and storage
A+ 220-1201 · Lesson 13 of 22 · 1:28:08
YouTube loads only after you press play. This chapter opens at its timestamp in the full course. Watch on YouTube ↗
In this lesson
Prepare for the CompTIA A+ Core 1 (220-1201) exam. In this lesson: DIMMs and SODIMMs, DDR generations, ECC memory, dual channel, hard drive speeds and sizes, SATA, NVMe, and SAS drives, M.2 and mSATA, RAID 0, 1, 5, 6, and 10, flash drives, memory cards, and optical discs. Includes three original practice questions.
Preview the topics
- The imaging workstation needs the fastest possible storage, and it has a free M.2 slot that supports PCIe. Which drive fits best?
- The X-ray archive server must keep running even if two drives fail at the same time. Which RAID level fits?
- A new workstation has two identical memory modules, but the system reports single channel mode. What should the technician check first?