Which Google Cloud load balancer should you use?

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

Answer: D

Explanation:

https://cloud.google.com/security/encryption-in-transit/ Automatic encryption between GFEs and backends For the following load balancer types, Google automatically encrypts traffic between Google Front Ends (GFEs) and your backends that reside within Google Cloud VPC networks: HTTP(S) Load Balancing TCP Proxy Load Balancing SSL Proxy Load Balancing