Structure

Question 1

how to denote the start of a file

Answer 1

triple dashes —

Question 2

how to donate the end of a file without closing the data stream

Answer 2

triple dots …

Question 3

you can have multiple directives/documents in one file

Answer 3

need to use triple spaces and triple dots

Question 4

example

Answer 4

host: phl-42
datacenter:
location: Philadelphia
cab: 13
cab_unit: 3
roles:
- webserver
- wp_database
—
host: phl-43
datacenter:
location: Philadelphia
cab: 13
cab_unit: 4
…
—