Amazon ANS-C00 Practice Test - Questions Answers, Page 41
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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?
Which of the following characters is not allowed while creating a Namespace for a CloudWatch metric?
Your company operates a single AWS account. A common services VPC is deployed to provide shared services, such as network scanning and compliance tools. Each AWS workload uses its own VPC, and each VPC must peer with the common services VPC. You must choose the most efficient and cost effective approach. Which approach should be used to automate the required VPC peering?
You manage a web service that is used by client applications deployed in 300 offices worldwide. The web service architecture is an Elastic Load Balancer (ELB) distributing traffic across four application servers deployed in an Auto Scaling group across two Availability Zones.
The ELB is configured to use round robin, and sticky sessions are disabled. You have configured the NACLs and security groups to allow port 22 from your bastion host, and port 80 from 0.0.0.0/0. The client configuration is managed by each regional IT team.
Upon inspection you find that a large amount of requests from incorrectly configured sites are causing a single application server to degrade. The remainder of the requests are equally distributed across all servers with no negative effects. What should you do to remedy the situation and prevent future occurrences?
Over which of the following Ethernet standards does AWS Direct Connect link your internal network to an AWS Direct Connect location?
You have two autoscaling groups in your VPC. One deploys servers that host the index of your website and another that deploys servers that host the images for your website. What three steps would you take to ensure the right servers are used for the right purpose? (Choose three.)
Which service would you use to see if your infrastructure has changed?
Your business has implemented a highly available Direct Connect system that makes use of two datacenters. Each data center is equipped with one LAG with two connections and one ordinary DX connection. How many LOAs will be completed in total if your organization successfully completes an order for the addition of a new connection to each of the LAGs?
A company's developers wrote an AWS Lambda function to modify existing private route tables in response to a security appliance's auto scaling events. The Lambda function will be invoked on lifecycle hooks for an Auto Scaling group and Is configured to run in a VPC The developers are unsure if the following 1AM policy provides sufficient permissions to be used as an execution role for this Lambda function.
The developers ask a network engineer to review the permissions.
Which set of permissions should the network engineer add lo the policy?
A company hosts several applications in the AWS Cloud across multiple VPCs that are connected to a transit gateway Redundant AWS Direct Connect connections and a Direct Connect gateway provide private network connectivity lo the company's on-premises environment During a maintenance window, the networking team adds eight VPCs The application management team notices that there is no reachability between the newly created VPCs and the on-premises environment Connectivity between all VPCs through the transit gateway is working as expected. Which of the following are possible causes of the connectivity issues? (Choose TWO)
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