Question

rostopic delay will provide delay for ___________

(a) Topics which has header

(b) Topics which has tail

(c) Topics which has tail and head

(d) To all topics

I had been asked this question in a job interview.

My question comes from Publishing Messages with Commands topic in section Working with the Cloud of IOT

Answer 1

The correct choice is (a) Topics which has header

To explain I would say: Rostopic delay display the delay for topic which has header. Rostopic is implemented in python.