If it is using proctorio.com as mentioned in other comment, I think it is normal. On Juniper or Cisco certification test (using Pearson vue) they warn the candi

If it is using proctorio.com as mentioned in other comment, I think it is normal. On Juniper or Cisco certification test (using Pearson vue) they warn the candidate something like this (not fully the same especially for eye and mouth movements, but the candidate is video recorded). Basically it is to make sure the candidate is not cheating. The different is it is using Desktop provided by testing center partner.