3.4 - Compare & contrast storage devices | A+ Core 1 1201 complete course with practice questions
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3.4 - Compare & contrast storage devices | A+ Core 1 1201 complete course with practice questions
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Journey To Cyber
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1 201 просмотр · 1 год назад
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Get ready to ace your CompTIA A+ 1201 exam! This in-depth video breaks down everything you need to know about Exam Objective 3.4: Comparing and Contrasting Storage Devices. We'll provide comprehensive coverage, crucial insights for the A+ 1201 exam, and practice questions to solidify your understanding.
In this video, you'll learn about:
Hard Disk Drives (HDDs):
Spindle Speeds: Understand the impact of 5,400 RPM, 7,200 RPM, 10,000 RPM, and 15,000 RPM on performance and cost. Learn how to recommend the right speed based on CompTIA A+ 1201 scenarios (e.g., budget-friendly vs. high-speed needs).
Form Factors: Differentiate between 2.5-inch and 3.5-inch hard drives, their typical uses (laptops vs. desktops/servers), and their respective pros and cons for portability and capacity.
Solid State Drives (SSDs):
Communication Interfaces: A critical section for your A+ 1201 exam! We'll thoroughly explain NVMe (Non-Volatile Memory Express), SATA (Serial ATA), PCIe (PCI Express), and SAS (Serial Attached SCSI). Understand their speeds, compatibility, and common use cases (e.g., NVMe for ultimate speed, SATA for cost-effectiveness, SAS for enterprise environments like data centers).
SSD Form Factors: Discover the compact M.2 drive (often NVMe capable and plugging directly into the motherboard) and the older mSATA form factor. Know when to choose each for your CompTIA A+ 1201 questions.
RAID Configurations (Redundant Array of Independent Disks):
Unlock the complexities of RAID 0 (Striping), RAID 1 (Mirroring), RAID 5 (Striping with Parity), RAID 6 (Striping with Dual Parity), and RAID 10 (RAID 1+0 - Striping and Mirroring).
For each RAID level, we'll cover its purpose (performance, redundancy, or both), minimum drive requirements, advantages, disadvantages, and ideal use cases relevant to your CompTIA A+ certification. Learn how to interpret exam scenarios to recommend the appropriate RAID solution based on performance, data protection, storage capacity, and budget.
Removable Storage: A quick overview of common removable storage options like flash drives.
Don't just study – understand! This video is packed with tips for identifying the kind of questions you'll see on your real CompTIA A+ 1201 exam and how to approach them effectively.
0:00 Introduction
0:30 Hard drives
1:03 Spindle speeds
2:39 Form factors
3:49 Solid-state drives
4:20 Communication interfaces
12:10 Form factors
15:28 Drive configurations (RAID)
31:58 Removeable storage
33:40 Practice questions
40:53 Get your free practice exam
41:16 Get your Learning Guide here