What are the two functions of pausing?

Early radiotelegraphy was used to send ___________messages across great distances to communicate military, maritime, or civilian information

a. short b. long c. Morse Code d. Moore's Code

What kind of follow-up is being used when the interviewer states, "If I understand you correctly, you're saying . . .."?

a. mirror question b. verifier c. reinforcer d. probe