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Protocols
| Question | Answer |
|---|---|
| 802.11B | 11mbs at 2.4ghz |
| 802.11G | 54mbs at 2.4ghz |
| 802.11A | 54mbs at 5ghz |
| 802.11N | 600mbs at 2.4/5ghz |
| RAID 0 | Striping |
| RAID 1 | Mirroring |
| RAID 5 | Stripping with Parity (3-disc) |
| RAID 10 | MIrror & Stripping |
| RAID 6 | Similar to RAID 5 (4-disc) |
| HTML | used to download files |
| PPP | com protocol used in dial-up |
| VoIP | telephone calls over the internet |
| SNMP | collecting information |
| FTP | transfer of files |
| What does DORA represent? | Discovery, Offer, Request, Acceptance |
| What is a Scope? | range of addresses |
| What is a Edge Device? | edge of your network and the internet |
| what are IP Addresses of APIPA? | 172.169.254 |
| Class A IP | 10. - 126. |
| Class B IP | 128. - 191. |
| Class C IP | 192, - 223. |
| Loopback Address | 127.0.0.1 |
| Class A Subnet Mask | 255.0.0.0 |
| Class B Subnet Mask | 255.255.0.0 |
| Class C Subnet Mask | 255.255.255.0 |
| Class D Subnet Mask | 255.255.255.128 |
| Class E Subnet Mask | 255.255.255.192 |
| Unable to connect | 169.254.10.23 |
| Actual speed of a CPU is affected by what? | RAM |
| WAN | Wide Area Network |
| MAN | Metro Area Network |
| PAN | Personal Area Network |
| CAN | Campus Area Network |
| RJ-45 | 100baseT |
| RJ-11 | modem or telephone jack |
| RG-6 | coaxial cable |
| ST | Fiber Optic |
| L3 | highest latency ,highest memory |
| L2 | mid latency, mid memory |
| L1 | lowest latency, lowest memory |
| QVGA | 320x240 |
| WVGA | 854x480 |
| SVGA | 800x600 |
| SXGA+ | 1400x1200 |
| SXGA | 1280x1024 |
| Blu-Ray DL | stores up to 50g of data |
| Blu-Ray SL | stores up to 25g of data |
| DVD+R SL | stores up to 4.7g of data |
| DVD-R DL | stores up to 8.54g of data |
| WSXGA+ | 1680x1050 |
| Mini ITX | 6.7 x 6.7 |
| Nano ITX | 120mm x 120mm |
| Pico ITX | 100mm x 72mm |
| Mobile ITX | 60mm x 60mm |
| PCI-E | 250mbs - 16gbps |
| PCI | 133mbs- 533mbps |
| PCIX | 1064mbps |
| Serial | 1byte at a time |
| Parralell | multiple bytes at a time |
| Northbridge | CPU,Video, Memory |
| Southbridge | HDD, I/O ports, everything else |
| ATX size | 12 x 9.5 7 exp slots |
| Mini ATX | 11.2 x 8.2 7 exp slots |
| Micro ATX | 9.6 x 9.6 4 exp slots |