A+ 1101-1102 Notes

Personal notes for the All-in-One exam guide (ISBN 9781264610150)

I will probably be skipping a lot of things here that is prior knowledge to me

• There is a distinction between CMOS and Flash ROM (SPI flash), with the latter being more modern
  
• PCIE is considered a serial bus, even though it usually involves multiple bonded lanes
  • Uses a pair of differential signals per lane
• Multimode fiber up to 600 ft

Book errors

Annoyingly, the exam guide has typos..

• 732 Q6
• 649 Q8
  • ps is non-interactive
• 767 Q2
  • incorrect letter answer
• 749
  • fiber is half duplex, but it does not mean you need two fibers for all connections... example: residential fiber using SC
• 1243 Q5
  • Answer should be change documentation