You can read an archive before installing it: what it holds and what it needs from the system.
Reading changes nothing in the system, so it needs no sudo.
Read the archive before installing
You are in /srv/package-lab. Read the description of the lab-pkg-report archive and its file list. Install nothing.
First, predict
The archive holds a shell script and a text settings file. What will dpkg -I show in the Architecture field?
Now start the exercise, run the command and compare your prediction with the output.