Question

question 6 1 pts cable that is coated with flame - resistant polyvinyl chloride (pvc) is acceptable for use in plenum areas. true false question 7 1 pts fiber - optic cable comes in two types: single - mode fiber (smf) and multimode fiber (mmf). true false

Explanation:

Question 6: PVC - coated cables in plenums release toxic fumes when burned, so are not acceptable.
Question 7: Fiber - optic cables indeed have single - mode and multimode types.

Answer:

Question 6: B. False
Question 7: A. True