Which two implied firewall rules are defined on a VPC network? (Choose two.)

Which two implied firewall rules are defined on a VPC network? (Choose two.)

A. A rule that allows all outbound connections

B. A rule that denies all inbound connections

C. A rule that blocks all inbound port 25 connections
D. A rule that blocks all outbound connections
E. A rule that allows all inbound port 80 connections

Reference: https://cloud.google.com/vpc/docs/firewalls