1. You have 2 VPC?s , VPC A and VPC B. Both the VPC?s have been peered. You have configured the route tables in VPC A so that traffic can flow from VPCA to VPCB. You try to ping an Instance In VPCB from VPCA, but are unable to do so. You have confirmed that the NACL?s and Security Groups have been configured property. What could be the reason for this issue?

A) The VPC?s have overlapping CIDR blocks
B) Security Groups don?t work in peered VPC?S hence the requests will not work.
C) The route tables In VPCB have not been configured.
D) NACL?s don?t work in peered VPC?S hence the requests will not work.



2. Your company has setup an AWS(Amazon Web Service) Direct Connect connection with the help of an AWS(Amazon Web Service) Partner. The customer gateway Is In an on-premise data center. Your operations department needs to be informed whenever the Direct Connect connection is down. How can you achieve this?

A) Use Cloud watch logs to check for the state of the tunnel
B) Use the AWS(Amazon Web Service) Direct Connect tunnel logging facility to check for any failures
C) Use Cloud watch metrics to check for the state of the tunnel
D) You will anyway be notified if the AWS(Amazon Web Service) Direct Connect connection is down.



3. Your company is planning on setting up an AWS(Amazon Web Service) Direct Connect Connection and a VPN connection as a backup. Incase the AWS(Amazon Web Service) Direct Connect connection falls , then the traffic should be routed on the VPN line. What can be done to ensure this fall over happens as smoothly as possible.

A) In AWS(Amazon Web Service) Direct Connect, make the VPN as the secondary device.
B) In AWS(Amazon Web Service) VPN , make AWS(Amazon Web Service) Direct Connect as the primary device
C) Enable BGP Routing
D) Enable Bidirectional Forwarding Detection



4. You have created 3 VPC?s , VPC , VPC B and VPC C. There is a VPC peering connection between VPC A and VPC B and a separate peering connection between VPC B and VPC C. Which of the following is true with regards to this VPC peering arrangement?

A) Instances launched In VPC A can reach Instances In VPC C
B) Instances launched in VPC A can reach instances in VPC C if the right Security Groups
C) Instances launched In VPC A can reach instances in VPC C via a proxy instance in VPC B
D) Instances launched in VPC A can reach instances in VPC C if the right routing entries are present.



5. Your company is planning on deploying an application to AWS. There is a requirement for high availability and low latency between the underlying instances that support the application. Which of the following would you not consider In your design?

A) Place the instances in a placement group
B) Enable Enhanced Networking on the instances
C) Use a Network load balancer in front of the instances
D) Deploy instances across multiple availability zones