After setting an AWS Direct Connect, which of the following cannot be done with an AWS Direct Connect Virtual Interface?
A.
You can delete a virtual interface; if its connection has no other virtual interfaces, you can delete the connection.
B.
You can change the region of your virtual interface.
C.
You can create a hosted virtual interface.
D.
You can exchange traffic between the two ports in the same region connecting to different Virtual Private Gateways (VGWs) if you have more than one virtual interface.
Suggested Answer:D🗳️
You must create a virtual interface to begin using your AWS Direct Connect connection. You can create a public virtual interface to connect to public resources or a private virtual interface to connect to your VPC. Also, it is possible to configure multiple virtual interfaces on a single AWS Direct Connect connection, and you'll need one private virtual interface for each VPC to connect to. Each virtual interface needs a VLAN ID, interface IP address, ASN, and BGP key. To use your AWS Direct Connect connection with another AWS account, you can create a hosted virtual interface for that account. These hosted virtual interfaces work the same as standard virtual interfaces and can connect to public resources or a VPC. Reference: http://docs.aws.amazon.com/directconnect/latest/UserGuide/WorkingWithVirtualInterfaces.html
B
For answer D, you can associate VGW to TGW, and exchange data between VPCs, VPCs and on-premises networks.
https://aws.amazon.com/blogs/architecture/field-notes-working-with-route-tables-in-aws-transit-gateway/
Answer is D, because it is only possible if they are connecting to the same VGW , not in different VGW
Q: If I have more than one virtual interface attached, can I exchange traffic between the two ports?
Not for public Direct Connect virtual interfaces; but you can exchange traffic between the two ports in the same region if they are connecting to the same VGW.
Ref: https://www.amazonaws.cn/en/directconnect/faqs/
D is correct. You cannot exchange traffic between the two ports in the same region connecting to different Virtual Private Gateways (VGWs) if you have more than one virtual interface. For this to be able to happen you would need two Direct Connect Gateways, and traffic would be sent to on premise from VPC A in order to communicate to VPC B
I have same opinion
{
B - You can provision a private virtual interface to a virtual private gateway in the same Region as your AWS Direct Connect connection. -> cannot change in interface level
D- Related to VLAN -> Need both parties cooperate to change
}
More precise, it doesn't belong to any region. Its location is at Direct Connect location. Because of the physical, it only allow VGWs in the same region (can be different account) to use.
I think B is wrong too. The region is selected when you create the connection, not the VIF. I guess the VIF will use the region for the connection.
upvoted 2 times
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