Your company just purchased a domain using another registrar and wants to use the same nameservers as your current domain hosted with AWS. How would this be achieved? Choose the correct answer:

You need to find the MTU used by another instance, but tracepath is not working. You know the instance you are trying to tracepath has open security group and NACL rules. Which protocol do you need to allow to access your instance to remedy this? Choose the correct answer:

You need to create a subnet in a VPC that supports 14 hosts. You need to be as accurate as possible since you run a very large company. What CIDR should you use? Choose the correct answer:

A company has an application running on Amazon EC2 instances in a private subnet that connects to a third-party service provider's public HTTP endpoint through a NAT gateway.
As request rates increase, new connections are starting to fail. At the same time, the ErrorPortAllocation Amazon CloudWatch metric count for the NAT gateway is increasing.
Which of the following actions should improve the connectivity issues? (Choose two.)

A company is deploying a new web application that uses a three-tier model with a public-facing Network Load Balancer and web servers in an Amazon VPC. The application servers are hosted in the company's data center. There is an AWS Direct Connect connection between the VPC and the company's data center. Load testing results indicate that up to 100 servers, equally distributed across multiple Availability Zones, are required to handle peak loads.
The Network Engineer needs to design a VPC that has a /24 CIDR assigned to it.
How should the Engineer allocate subnets across three Availability Zones for each tier?