You are tasked with setting up a Linux bastion host for access to Amazon EC2 instances running in your VPC.
Only clients connecting from the corporate external public IP address 72.34.51.100 should have SSH access to
the host.
Which option will meet the customer requirement?
A.
Security Group Inbound Rule: Protocol -TCP. Port Range -22, Source 72.34.51.100/32
B.
Security Group Inbound Rule: Protocol -UDP, Port Range -22, Source 72.34.51.100/32
C.
Network ACL Inbound Rule: Protocol -UDP, Port Range -22, Source 72.34.51.100/32
D.
Network ACL Inbound Rule: Protocol -TCP, Port Range-22, Source 72.34.51.100/0
A
0
0
A
0
0
A:
Security Group Inbound Rule: Protocol -TCP. Port Range -22, Source 72.34.51.100/32 because if you use ACLs you will have to open inbound and outbound
1
0