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CompTIA A+ 220-1101 Core 1 Study Flashcards Part 6
This deck covers key concepts from the CompTIA A+ 220-1101 Core 1 exam, focusing on hardware components, system architecture, and security features.
Raid 10
- Also known as 1+0
- A Stripe of Mirrors
- Speed of Striping, Redundancy of Mirroring
- Requires at least 4 Drives
(3.3)
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Key Terms
Term
Definition
Raid 10
- Also known as 1+0
- A Stripe of Mirrors
- Speed of Striping, Redundancy of Mirroring
- Requires at least 4 Drives
(3.3)
ATX (Advanced Technology Extended)
- The most common form factor for PC systems presently in use, originally introduced by Intel in 1995.
(3.4)
ITX (Information Technology Extended)
- Low power motherboards
- Developed by VIA Technologies in 2001
- Fits in ATX cases
PCI (Peripheral Component Interconnect)
- A bus common to personal computers that uses a 32-bit wide or a 64-bit data path. Several variations of PCI exist.
- Common on older generation comp...
PCIe (Peripheral Component Interconnect Express)
- An expansion bus architecture that uses serial communications rather than parallel communications.
- x1, x2, x4, x8, x16, x32 (Number of lanes for c...
Power Connectors
- 24 or 20+4 Pin Motherboard Connectors
- 4, 4+4, or 8 Pin CPU Connector
(3.4)
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| Term | Definition |
|---|---|
Raid 10 | - Also known as 1+0
- A Stripe of Mirrors
- Speed of Striping, Redundancy of Mirroring
- Requires at least 4 Drives
(3.3) |
ATX (Advanced Technology Extended) | - The most common form factor for PC systems presently in use, originally introduced by Intel in 1995.
(3.4) |
ITX (Information Technology Extended) | - Low power motherboards
- Developed by VIA Technologies in 2001
- Fits in ATX cases |
PCI (Peripheral Component Interconnect) | - A bus common to personal computers that uses a 32-bit wide or a 64-bit data path. Several variations of PCI exist.
- Common on older generation computers
(3.4) |
PCIe (Peripheral Component Interconnect Express) | - An expansion bus architecture that uses serial communications rather than parallel communications.
- x1, x2, x4, x8, x16, x32 (Number of lanes for communication vary)
(3.4) |
Power Connectors | - 24 or 20+4 Pin Motherboard Connectors
- 4, 4+4, or 8 Pin CPU Connector
(3.4) |
Front Panel Connectors | - A group of small wires running from the front of the computer case to the motherboard.
- Control buttons & LED's on the case
(3.4) |
Intel and AMD (Advanced Micro Devices) | - Two producers of CPU's for computers
- AMD typically less expensive
- Differences have become more subtle over the years
(4.4) |
Server Motherboard | - Has space for multiple CPUs to split the load
- Typically has 4+ memory slots
(4.4) |
Laptop Motherboard | - Small & Light
- CPU is usually limited in speed, has thermal throttling to control temps
- Limited ability to interchange parts (RAM, Storage, etc.)
(3.4) |
BIOS Boot Options | - Enable & Disable Hardware
- Modify Boot Order for Connected Drives
- Control what happens when your computer turns on
(3.4) |
BIOS (basic input / output system) | - The program a CPU uses to start a computer when it is turned on.
(3.4) |
UEFI BIOS (Unified Extensible Firmware Interface BIOS) | - Based on Intel's EFI (Extensible Firmware Interface)
- Designed to replace Legacy BIOS
- Extremely Outdated
(3.4) |
USB Permissions | - Enable / Disable USB Ports through the BIOS
- DoD disabled all USB ports for 15 months after malware attack
(3.4) |
TPM (Trusted Platform Module) | - A chip on a motherboard that holds an encryption key required at startup to access encrypted data on the hard drive.
- Windows BitLocker Encryption can use the TPM chip.
- Password protected
(3.4) |
Secure Boot | - UEFI feature that prevents a system from booting up with drivers or an OS that are not digitally signed and trusted by the motherboard / manufacturer
- Boot-loader must contain signature from Secureboot
(3.4) |
Boot Password | - System will not boot up without password
- Use supervisor password to restrict BIOS settings changes
(3.4) |
HSM (Hardware Security Module) | - Cryptographic module that can generate cryptographic keys.
- Secured storage for servers
- Lightweight HSM's: Smart Card, USB, etc.)
- Cryptographic Accelerators
- Offload CPU cryptographic functions onto HSM from server
(3.4) |
OS Versions | - 32 Bit (x86)
- 64 Bit (x64)
- 32 Bit OS can't run 64 Bit apps, but 64 Bit can run 32 Bit apps
(3.4) |
ARM (Advanced RISC Machine) | - Energy-efficient processor design frequently used in mobile devices.
- Also used in IoT
(3.4) |
Single & Multi-Core | - Refers to number of cores a processor has
- Each core may have its own cache or one shared cache
(3.4) |
Multithreading | - Allows multiple threads from a program to run simultaneously
- One CPU acts like two
- 15-30% performance increase
(3.4) |
Virtualization Support | - Run other OS's within a single hardware platform
- Multiple OS's share physical hardware components
- Virtualization added to the processor
- Hardware is faster and easier to manage
- Intel Virtualization Technology (VT)
- AMD Virtualization (AMD-V)
(3.4) |
Sound Card | - Device that can be slotted into a PCI slot to allow the use of audio components
- Multiple input types
(3.4) |
Video Card (GPU) | - Processes video and graphics data
- Higher performance vs integrated graphics
(3.4) |
Capture Card | - Sends video signal to a computer so that the signal can be recorded and saved to the storage drive
- Video as an input
- High performance (PCIe)
(3.4) |
Case Fans | - Layout, Location, and Size all matter
- 80, 120, 140, & 200mm are common sizes
- Variable speed and sound
(3.4) |
Heatsinks | - Passive cooling systems with metal fins to dissipate heat through thermal conduction (Copper or Aluminum Alloy)
- Thermal paste creates contact between chip and heatsink
(3.4) |
Thermal Pad | - Not reusable
- Not as effective as thermal paste
- Mess free
(3.4) |
Liquid Cooling | - Coolant is circulated through a computer
- Used in cars and mainframe computers
- High-End systems
- Gaming/Graphics processing
- Contains radiator and fan
(3.4) |