Created by Benjamin Centeio
over 9 years ago
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Question | Answer |
RAID 0 | Disk striping (striped volume) Split across drives No data redundancy Improves read and write performance Minimum of two drives |
RAID 1 | Disk Mirroring Two Copies Redundancy |
RAID 5 | Disk Striping with Parity Multiple Drives Parity Drive Minimum 3 Disks |
RAID 10 | Mirrored Disk Striping AKA RAID 1+0 Data is striped and redundant Minimum of 4 Drives |
ISA | Bus Width 8/16 Speed 8 MHz |
MCA | Bus Width 32 Speed 10 MHz |
VLB | Bus Width 32 Speed Speed of Local Bus |
EISA | Bus Width 32 Speed 8 MHz |
PCI | Bus Width 32/64 Speed 33 MHz |
AGP | Bus Width 32 Speed 66 MHz |
PCMCIA | Bus Width 16 Speed 33 MHz |
PCI-X | Bus Width 32/64 Speed 66/133/266/ 533 MHz |
PCIe | Bus Width Serial Speed Multiple lanes each carrying 250 Mbps v2 500 Mbps |
USB 1.0 | 12 Mbps 127 Devices |
USB 2.0 | 480 Mbps 127 Devices |
USB 3.0 | 5 Gbps 127 Devices |
IEEE 1394 | AKA FireWire 400 Mbps 63 Devices |
IEEE 1394b | AKA FireWire 800 800 Mbps 63 Devices |
FireWire S1600 | 1.6 Gbps 63 Devices |
FireWire S3200 | 3.2 Gbps 63 Devices |
ntldr | Windows XP Operating system loader code |
boot.ini | Windows XP Build the Operating System selection menu |
ntdetect.com | Windows XP Performs Hardware Detection |
ntoskrnl.exe | Windows XP Core Kernel Code responsible for tasks such as thread management |
bootmgr | Windows Vista and 7 Operating System loader code (like NTLDR) |
BCD | Windows Vista and 7 Builds the operating system selection menu; similar to boot.ini in Windows XP, but data resides in the BCD store. You can edit the boot configuration data with the bcdedit utility. |
winload.exe | Windows Vista and 7 Loads windows OS if selected from the menu provided |
winresume.exe | Windows Vista and 7 Resumes system from Hibernate state |
POST 100-199 | Motherboard Error |
POST 200-299 | Memory Error |
POST 300-399 | Keyboard Error |
POST 600-699 | Floppy Drive Error |
POST 1400-1499 | Printer Error |
POST 1700-1799 | Hard Drive Error |
netstat | Port 15 TCP displays active TCP connections and other statistics |
FTP | Port 20 Transfer Data Port 21 Flow Control |
SSH | Port 22 TCP Remote Run Commands Security |
Telnet | Port 23 TCP Remote Simple Text No Security |
SMTP | Port 25 TCP Server to Server Email Xfer |
DNS | Port 53 UDP/TCP Hostname to IP |
TFTP | Port 69 UDP FTP, but faster and less reliable |
HTTP | Port 80 TCP Web Browser |
POP3 | Port 110 TCP Mail to Client Email Xfer |
NNTP | Port 119 TCP News Articles |
NTP | Port 123 TCP Set network Clock |
IMAP4 | Port 143 TCP Like POP3, more features |
SSL | Port 443 TCP Security for Browsers |
EFS | Encrypted File System Can be used with BitLocker Not required for BitLocker |
TPM | Trusted Platform Module Hardware Chip to preform Pre-boot security test Not required for BitLocker if using a separate boot device containing a key |
DB-25 Connector | Parallel Port Sometimes Used for Serial Ports, but mostly obsolete |
VGA Port | Three row 15-pin D Connector |
MIDI/Joystick Port | Two-Row 15-Pin Connector Some cards can be configured to use the port as a MIDI or Joystick connector with a jumper or software |
Corona Wire | Creates charge that transfers to the photosensitive drum Danger of electric shock |
Fuser Roller | Heats up to bond toner to paper Should be off for at least an hour before touching Danger of burns |
802.11n | 2.4 or 5 GHz 600 Mbps (300 realistically) 300/600 Ft Range |
802.11b | 2.4 Ghz 11 Mbps 150/300 Ft Range |
802.11g | 2.4 Ghz 54 Mbps Most devices backwards compatible with 802.11b devices using the 11 Mbps bandwidth 150/300 Ft Range |
802.11a | 5 Ghz 54 Mbps 50/100 Ft Range |
PPTP | Point-to-point Tunneling Protocol Used to implement VPNs |
Auto-Switching Power Supply | Automatically adjust to different input voltages, allowing the device to be used in different countries |
Class A | 1.0.0.0 – 126.0.0.0 10.0.0.0 – 10.255.255.255 Private Range 126 Possible Addresses 16,777,214 Nodes Supported |
Class B | 128.0.0.0 – 191.0.0.0 Private Ranges 172.16.0.0 – 172.31.255.254 169.254.0.0 – 169.254.255.254 16,384 Possible Addresses 65,534 Nodes Supported |
Class C | 192.0.0.0 – 223.0.0.0 Private Range 192.168.0.0 – 192.168.255.254 2,097,152 Possible Addresses 254 Nodes Supported |
Class D | Multicast 224.0.0.0 – 229.255.255.255 |
Class E | Reserved 240.0.0.0 – 255.255.255.255 |
802.1x | Offers dynamic encryption key and a number of authentication methods through Extensible Authentication Protocol (EAP) including certificates, public keys, and Kerberos |
APIPA Addresses | 169.254.0.1 – 169.254.255.254 Windows Default Automatic Configuration Assigned when DHCP cannot be reached |
Link Local Address | IPv6 equivalent of the APIPA Address Starts with FE80 Windows randomizes the rest of the address If not randomized, uses the MAC Address of the NIC Unlike APIPA, generated on device startup |
DDR | 184 Pins 200 on SODIMM |
DDR2 | 240 Pins 200 on SODIMM |
DDR3 | 240 Pins 204 on SODIMM |
SDRAM | 168 PIns |
DDR4 | 288 Pins 256 on SODIMM |
DDR Factors | DDRX = PC8X DDRX = 1/2X MHZ DDR2X = 1/4X MHZ DDR3X = 1/8X MHZ |
CardBus | Slot for PCMCIA Cards 32 Bit Bus |
PCMCIA Type I | 68 Pins 3.3 MM |
PCMCIA Type II | 68 Pins 5 MM Compatible with I and II |
PCMCIA Type III | 68 Pins 10.5MM Compatible with I, II and III |
Windows XP | 233/300 MHz 64/512 MB RAM 1.5/4 GB HD None/Modern Network Card SVGA/Direct X 1024x768 Video Support Any CD or DVD Drive |
Windows VIsta | 1GHz/Any Dual Core 512MB/1 GB/2 GB RAM 20GB(15)/40GB(15)/100 GB HD Modern NIC w/Internet DirectX 9+32MB/128MB+pixelshader 2.0+WDDM and 32 bits per pixel/DirectX 10 and 512MB Any DVD Drive |
Windows 7 | 1 GHz 1 GB RAM/2GB RAM 16GB/20 GB DirectX 9 with WDDM 1.0 |
STP | Shielded Twisted Pair |
RG-59 / RG-6 | Coaxial Cable 59 is thinner and doesn't carry data as far |
Power Calculation | Power = Voltage x Amperage x Power Factor |
RS-232 | DB9 connector typically used for Serial Ports |
MAN | Metropolitan Area Network Network covering a large geographic area, usually a city, merging together smaller LANs. Typically owned by a government or large corporation. |
CAN | Campus area network Small geographic area network made up of multiple smaller LANs all grouped together |
QoS | Protocol which prioritizes traffic based on the traffic's bandwidth needs. |
SATA vs SATA 3.0 | SATA 3.0 has code to optimize for high bandwidth applications such as sound and video |
Thermal Printer Cleaning | Turn off and Access Door Release Head Move Ribbon Dampen Rag Wipe Dry Return Ribbon Return Head Close Door |
Msinfo32 | System Information Local or Remote |
NLX | New Low Extended Profile Requires Riser Card for Adapter Cards Riser Allows Parallel Installation |
WAN | Wide Area Network Large Network Comprised of Smaller Networks Across Vast Distances Example - Internet |
ECC | Error Correcting RAM Number of Chips is Divisible by 9 Non-ECC Chips Divisible by 8 |
WSXGA+ | 1680 x 1050 |
QVGA | 320 x 240 |
WVGA | 854 x 480 |
SVGA | 800 x 600 |
SXGA+ | 1400 x 1200 |
SXGA | 1280 x 1024 |
VGA Types | QVGA WBGA SVGA SXGA SXGA WSXGA+ |
Windows 7 Upgrade Paths | Only from Vista and only to same 32 or 64 bit type |
Windows Vista Upgrade Paths | Professional - Business or Ultimate Home - Any Media Center - Home Premium or Ultimate Tablet PC - Business or Ultimate Professional x64 - None |
ExpressCard | 34mm or 54mm Wide 75mm Long 5mm Thick |
LGA | Intel Flat grid of contacts called "lands" |
775 | Pentium 4 Pentium D Core 2 Duo Core 2 Quad |
1155 | i3 i5 i7 Pentium Celeron |
1156 | i3 i5 i7 Pentium Celeron Xeon |
1366 | High Performance i7 Xeon Celeron Succeeded by LGA 2011 |
940 | Athalon 64 FX Opteron |
AM2 | Athlon Opteron Sempron Phenom |
AM2+ | Athlon Opteron Phenom Phenom II |
AM3 | Phenom II Athlon II Sempron Opteron |
AM3+ | Phenom II Athlon II FX |
FM1 | Used for AMD APU APU is CPU and GPU Combined |
F | Opteron |
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