Arrange the following in order from inner to outer layer in cable construction

Q. Arrange the following in order from inner to outer layer in cable construction

A.            core, metallic sheath, serving, armouring, insulation, bedding

B.            core, insulation, metallic sheath, bedding, armouring, serving

C.            metallic sheath, serving, core, insulation, bedding, armouring

D.            core, serving, metallic sheath, bedding, insulation, armouring

Answer: core, insulation, metallic sheath, bedding, armouring, serving