Your company has recently expanded their EMEA-based operations into APAC. Globally distributed users report that their SMTP and IMAP services are slow. Your company requires end-to-end encryption, but you do not have access to the SSL certificates. Which Google Cloud load balancer should you use? 

Answer options:

A. SSL proxy load balancer 
B. Network load balancer 
C. HTTPS load balancer
D. TCP proxy load balancer

A

Reference: https://cloud.google.com/security/encryption-in-transit/