3.1 Explain basic cable types and their connectors, features, and purposes.
- Network cables
- Copper
- Cat 5
- Cat 5e
- Cat 6
- Cat 6a
- Coaxial
- Shielded twisted pair
- Unshielded twisted pair
- Plenum
- Optical
- T568A/T568B
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- Peripheral cables
- USB 2.0
- USB 3.0
- Serial
- Thunderbolt
- Video cables
- High-Definition Multimedia Interface (HDMI)
- DisplayPort
- Digital Visual Interface (DVI)
- Video Graphics Array (VGA)
- Hard drive cables
- Serial Advanced Technology Attachment (SATA)
- Small Computer System Interface (SCSI)
- External SATA (eSATA)
- Integrated Drive Electronics (IDE)
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3.2 Given a scenario, install the appropriate RAM.
- RAM types
- Virtual RAM
- Small outline dual inline memory module (SODIMM)
- Double Data Rate 3 (DDR3)
- Double Data Rate 4 (DDR4)
- Double Data Rate 5 (DDR5)
- Error correction code (ECC) RAM
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- Single-channel
- Dual-channel
- Triple-channel
- Quad-channel
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3.3 Given a scenario, select and install storage devices.
- Hard drives
- Speeds
- 5,400rpm
- 7,200rpm
- 10,000rpm
- 15,000rpm
- Form factor
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- SSDs
- Communications interfaces
- Non-volatile Memory Express (NVMe)
- SATA
- Peripheral Component Interconnect Express (PCIe)
- Form factors
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- Drive configurations
- Redundant Array of Independent (or Inexpensive) Disks (RAID) 0, 1, 5, 10
- Removable storage
- Flash drives
- Memory cards
- Optical drives
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- Motherboard form factor
- Advanced Technology eXtended (ATX)
- Information Technology eXtended (ITX)
- Motherboard connector types
- Peripheral Component Interconnect (PCI)
- PCI Express (PCIe)
- Power connectors
- SATA
- eSATA
- Headers
- M.2
- Motherboard compatibility
- CPU sockets
- Advanced Micro Devices, Inc. (AMD)
- Intel
- Server
- Multisocket
- Desktop
- Mobile
- Basic Input/Output System (BIOS)/Unified Extensible Firmware Interface (UEFI) settings
- Boot options
- USB permissions
- Trusted Platform Module (TPM) security features
- Fan considerations
- Secure Boot
- Boot password
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- Encryption
- CPU architecture
- x64/x86
- Advanced RISC Machine (ARM)
- Single-core
- Multicore
- Multithreading
- Virtualization support
- Expansion cards
- Sound card
- Video card
- Capture card
- NIC
- Cooling
- Fans
- Heat sink
- Thermal paste/pads
- Liquid
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3.5 Given a scenario, install or replace the appropriate power supply.
- Input 110-120 VAC vs. 220-240 VAC
- Output 3.3V vs. 5V vs. 12V
- 20-pin to 24-pin motherboard adapter
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- Redundant power supply
- Modular power supply
- Wattage rating
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- Properly unboxing a device – setup location considerations
- Use appropriate drivers for a given OS
- Printer Control Language (PCL) vs. PostScript
- Device connectivity
- Public/shared devices
- Printer share
- Print server
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- Configuration settings
- Duplex
- Orientation
- Tray settings
- Quality
- Security
- User authentication
- Badging
- Audit logs
- Secured prints
- Network scan services
- Automatic document feeder (ADF)/flatbed scanner
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3.7 Given a scenario, install and replace printer consumables.
- Laser
- Imaging drum, fuser assembly, transfer belt, transfer roller, pickup rollers, separation pads, duplexing assembly
- Imaging process: processing, charging, exposing, developing, transferring, fusing, and cleaning
- Maintenance: Replace toner, apply maintenance kit, calibrate, clean
- Inkjet
- Ink cartridge, print head, roller, feeder, duplexing assembly, carriage belt
- Calibration
- Maintenance: Clean heads, replace cartridges, calibrate, clear jams
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- Thermal
- Feed assembly, heating element
- Special thermal paper
- Maintenance: Replace paper, clean heating element, remove debris
- Heat sensitivity of paper
- Impact
- Print head, ribbon, tractor feed
- Impact paper
- Maintenance: Replace ribbon, replace print head, replace paper
- 3-D printer
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