Which of the following are true regarding a synthetic full backup as compared to an active full backup? (Choose the 2 appropriate options)

Which of the following are true regarding a synthetic full backup as compared to an active full backup? (Choose the 2 appropriate options)
A . In terms of content and retention,the synthetic full backup file is identical to an active full backup file.
B . Synthetic full backups consume more of network bandwidth.
C . If the backup repository performance is weak, creating synthetic fulls is the best choice.
D . The synthetic full backup file has a .vsb extension whereas the active full has a .vbk extension
E . Synthetic fulls impose less load on the production environment.

Answer: A,E