Sescom LN2MIC-ZMH4-MON 3.5mm Line to Mic 25dB Attenuation Cable for Zoom H4N with Headphone Monitoring Jack

Does this cable let monitoring the sons while I'm recording with the Nikon D5200 which hasn't an output for headphones?

Will this work with zoom h1? has anyone tried it with dslr and h1?

Will this cord (sescom ln2mic-zmh4-mon 3.5mm line to mic 25db attenuation cable) function properly on the tascam dr- 40, 4 track recorder?

Does this cord help cut out the hissing that plauges mics that get plugged directly into dslr's?