HDF Flashcards
First thing you should do when replacing PC components?
Turn off and unplug the PC
What system will help against brown/black outs?
Uninterruptable Power Supply (UPS)
What PC component is volatile and will lose all data when the PC shuts off?
Random Access Memory (RAM)
Where are antennas primarily found in a Laptop?
Display Bezel
What type of PC relies heavily on a server?
Thin Client
What 2 types of PC requires high powered Processing and Video Power?
Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM)
SO-DIMM is mainly used in?
Laptops
A test that a PC will run any time it is turned on?
Power On Self Test (POST)
If a PC will be exposed to extreme environmental dust or moisture you should?
Place it in an enclosure with air filters
First Step of the CompTIA Troubleshooting method?
Identify the Problem
Second Step of the CompTIA Troubleshooting method?
Establish a Theory
Third Step of the CompTIA Troubleshooting method?
Test your Theory
Fourth Step of the CompTIA Troubleshooting method?
Establish a Plan
Fifth Step of the CompTIA Troubleshooting method?
Implement or Escalate
Sixth Step of the CompTIA Troubleshooting method?
Verify Functionality
Seventh Step of the CompTIA Troubleshooting method?
Document
Technology that calculates instructions simultaneously simulating CPU cores?
Hyper-Threading
RAM version that has a curved contact edge?
DDR4
I can run DDR3 memory on a motherboard that supports DDR4. (True/False)
False
A test ran during PC startup that checks hard drives?
Self-Monitoring, Analysis, and Reporting Technology (SMART test)
First step when dealing with a power issue?
Check the wall outlet
What is the likely cause if a laptop only turns on when the charger is attached?
The laptop’s battery is bad
AMD processors are classified as?
Pin Grid Array (PGA)
Intel processors are classified as?
Land Grid Array (LGA)
PCIe x16 is primarily used for what?
Graphics Card (GPU)
Two types of system firmware?
UEFI and BIOS
Five possible functions a server can have?
File / Print / Web / E-mail / Domain Controller
Software that tells an OS how to communicate with a piece of hardware?
Driver
A VGA cable is only capable of analog video transmission. (True/False)
True
HDMI is capable of transmitting?
Audio and Video
Device used to expand the capabilities of a laptop?
Docking Station
Process of connecting up to 127 USB devices?
Daisy Chaining
A device that allows communication with servers. (typically built into the rack itself)
Keyboard-Video-Mouse (KVM)
Coaxial Cable that is typically used for homes?
RG-6 (Thicknet)
Connector used for RG-6 (Thicknet)
F connector
Two types of Fiber Optics?
Single Mode Fiber (SMF) and Multi-Mode Fiber (MMF)
Three types of connectors used for Fiber Optic Cables?
Straight Tip (ST) / Local Connector (LC) / Mechanical Transfer-Registered Jack (MT-RJ)
The maximum segment length for Twisted Pair Cables (Category Cables)
100m / 328ft
Connector used for CAT-5e or CAT-6A?
RJ-45 Connector
What is 1000Base-T also known as?
CAT-5e
what is 10GBase-T also known as?
CAT-6
What is the color order of T-568B?
White-Orange / Orange / White-green / Blue / White-Blue / Green / White-Brown / Brown
File system primarily used for Microsoft based Operating Systems?
NTFS
File system that can’t support files bigger than 4 Gb?
FAT32
What RAID uses stripe volume - needs a minimum of 2x hard drives - and has no fault tolerance?
RAID 0
What RAID uses mirror volume - needs a minimum of 2x hard drives - and has fault tolerance?
RAID 1
What RAID uses stripe volume with distributed parity - needs a minimum of 3x hard drives - and has fault tolerance?
RAID 5
What type of printer uses a daisy wheel and tractor feed?
Impact printer
Controls network traffic according to specified rules
Firewall
Command that shows the contents of the directory/folder?
dir
Command that changes directory
cd
Command that moves you up one directory
cd..
Command that moves you directly to the root of your directory
cd\
Command to make a directory
md
Command to rename the directory
ren
Command that allows you to move directory/folders and files
move
Command to remove a directory or folder
rd
Command that copies a file
copy
Command that deletes a file
del
Command that shows a list of all commands and what they do
help
Command that displays all current TCP/IP network configuration values and refresh DHCP
ipconfig
Command that is used to test the ability of the source computer to reach a specified destination computer
ping
Command used to help troubleshoot network performance by measuring the amount of traffic on the network
netstat
Command to get the MAC address of your local machine
getmac
Command to get your current username
whoami
Command to trace the path that an IP packet takes to it’s destination
tracert