You are configuring a Direct Connect Connection from AWS to your on-premise environment. You have configured a 1 GB Ethernet connection. You have verified with your AWS account manager and your colocation provider that everything is connected, and all of your information is correct. But the link is still not working as expected. Which of the following could be an issue?

Answer options:

A.Your network supports BGP which is an issue.
B.The connection must be 10 GB’s or greater
C.Auto Negotiation for the port is not disabled.
D.The connections have support for 802.1Q VLANs which is an issue

Answer - C
The AWS Documentation mentions the following requirements for AWS Direct Connect connections.
1. Connections to AWS Direct Connect require single mode fiber, 1000BASE-LX (1310nm) for 1 gigabit Ethernet, or 10GBASE-LR (1310nm) for 10 gigabit Ethernet.
2. Auto Negotiation for the port must be disabled.
3. You must support 802.1Q VLANs across these connections.
4. Your network must support Border Gateway Protocol (BGP) and BGP MD5 authentication.
 For more information on Direct Connect, please refer to below URL:
http://docs.aws.amazon.com/directconnect/latest/UserGuide/dc-ug.pdf