[{"id":0,"q":"How much untwist is allowed at a Cat 6 termination?","options":["13 mm max","50 mm is fine","Untwist doesn't matter"]},{"id":1,"q":"Solid vs stranded — which goes in the wall?","options":["Solid in walls, stranded for patch","Stranded in walls, solid for patch","They're interchangeable"]},{"id":2,"q":"What does the 'A' in Cat 6A mean?","options":["Augmented","Advanced","Aluminum"]},{"id":3,"q":"Straight-through vs crossover — what's swapped?","options":["Pairs 2 & 3 (pins 1↔3, 2↔6)","All 8 wires reversed","Nothing — colors don't matter"]},{"id":4,"q":"Shielded cable should be grounded…","options":["At one end (usually the panel)","At both ends always","Never — shields are decorative"]},{"id":5,"q":"Max horizontal run for 10GBASE-T over Cat 6A?","options":["100 m (90 m + 10 m patch)","55 m","30 m"]},{"id":6,"q":"Which jacket belongs in air-handling plenums?","options":["CMP plenum","CMR riser","CMX outdoor"]},{"id":7,"q":"PoE++ (802.3bt Type 4) delivers up to…","options":["90 W","30 W","15.4 W"]}]