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Viewing questions 71-80 out of questions

Questions # 71:

Your organization has a newly installed 1-Gbps AWS Direct Connect connection. You order the cross-connect from the Direct Connect location provider to the port on your router in the same facility. To enable the use of your first virtual interface, your router must be configured appropriately.

What are the minimum requirements for your router?

Options:

1-Gbps Multi Mode Fiber Interface, 802.1Q VLAN, Peer IP Address, BGP Session with MD5.

1-Gbps Single Mode Fiber Interface, 802.1Q VLAN, Peer IP Address, BGP Session with MD5.

IPsec Parameters, Pre-Shared key, Peer IP Address, BGP Session with MD5

BGP Session with MD5, 802.1Q VLAN, Route-Map, Prefix List, IPsec encrypted GRE Tunnel

Questions # 72:

A company deploys an internal website behind an Application Load Balancer (ALB) in a VPC. The VPC has a CIDR block of 172.31.0.0/16. The company creates a private hosted zone for the domain example.com for the website in Amazon Route 53. The company establishes an AWS Site-to-Site VPN connection between its office network and the VPC.

A network engineer needs to set up a DNS solution so that employees can visit the internal webpage by accessing a private domain URL (https://example.com) from the office network.

Which combination of steps will meet this requirement? (Choose two.)

Options:

Create an alias record that points to the ALB in the Route 53 private hosted zone.

Create a CNAME record that points to the ALB internal domain in the Route 53 private hosted zone.

Create a Route 53 Resolver inbound endpoint. On the office DNS server, configure a conditional forwarder to forward the DNS queries to the Route 53 Resolver inbound endpoint.

Create a Route 53 Resolver outbound endpoint. On the office DNS server, configure a conditional forwarder to forward the DNS queries to the Route 53 Resolver outbound endpoint.

On the office DNS server, configure a conditional forwarder for the private domain to the VPC DNS at 172.31.0.2.

Questions # 73:

A company wants to analyze TCP traffic to the internet. The traffic originates from Amazon EC2 instances in the company's VPC. The EC2 instances initiate connections through a NAT gateway. The required information includes source and destination IP addresses, ports, and the first 8 bytes of payload of TCP segments. The company needs to collect, store, and analyze all the required data points.

Which solution will meet these requirements?

Options:

Set up the EC2 instances as VPC traffic mirror sources. Deploy software on the traffic mirror target to forward the data to Amazon CloudWatch Logs. Analyze the data by usingCloudWatch Logs Insights.

Set up the NAT gateway as a VPC traffic mirror source. Deploy software on the traffic mirror target to forward the data to an Amazon OpenSearch Service cluster. Analyze the data by using OpenSearch Dashboards.

Turn on VPC Flow Logs on the EC2 instances. Specify the default format and a log destination of Amazon CloudWatch Logs. Analyze the flow log data by using CloudWatch Logs Insights.

Turn on VPC Flow Logs on the EC2 instances. Specify a custom format and a log destination of Amazon S3. Analyze the flow log data by using Amazon Athena.

Questions # 74:

A company is deploying a web application into two AWS Regions. The company has one VPC in each Region. Each VPC has three Amazon EC2 instances as web servers behind an Application Load Balancer (ALB). The company already has configured an Amazon Route 53 public hosted zone for example.com. Users will access the application by using the fully qualified domain name (FQDN) of app.example.com.

The company needs a DNS solution that allows global users to access the application. The solution must route the users' requests to the Region that provides the lowest response time. The solution must fail over to the Region that provides the next-lowest response time if the application is unavailable in the initially intended Region.

Which solution will meet these requirements?

Options:

For each ALB, create an A record that has a geolocation routing policy to route app.example.com to the IP addresses of the ALB. Configure a Route 53 HTTP health check that monitors each ALB by IP address. Associate the health check with the A records.

Create an A record that has a geolocation routing policy to route app.example.com to the IP addresses for both ALBs. Configure a Route 53 health check that monitors TCP port 80 for each ALB by IP address. Associate the health check with the A records.

Create an A record that has a latency-based routing policy to route app.example.com as an alias to one of the ALBs. Configure a Route 53 health check that monitors TCP port 80 for each ALB by IP address. Associate the health check with the A records.

For each ALB, create an A record that has a latency-based routing policy to route app.example.com as an alias to the ALB. Set the value for Evaluate Target Health to Yes for the records.

Questions # 75:

A company has developed a web service for language translation. The web service's application runs on a fleet of Amazon EC2 instances that are in an Auto Scaling group. The instances run behind an Application Load Balancer (ALB) and are deployed in a private subnet. The web service can process requests that contain hundreds of megabytes of data.

The company needs to give some customers the ability to access the web service. Each customer has its own AWS account. The company must make the web service accessible to approved customers without making the web service accessible to all customers.

Which combination of steps will meet these requirements with the LEAST operational overhead? (Choose two.)

Options:

Create VPC peering connections with the approved customers only.

Create an AWS PrivateLink endpoint service. Configure the endpoint service to require acceptance that will be granted to approved customers only.

Configure an authentication action for the endpoint service's load balancer to allow customers to log in by using their AWS credentials. Provide only approved customers with the URL.

Configure a Network Load Balancer (NLB) and a listener with the ALB as a target. Associate the NLB with the endpoint service.

Associate the ALB with the endpoint service.

Questions # 76:

AnyCompany deploys and manages networking resources in its AWS network account, named Account-A. AnyCompany acquires Example Corp, which has an application that runs behind an Application Load Balancer (ALB) in Example Corp's AWS account, named Account-B.

Example Corp needs to use AWS Global Accelerator to create an accelerator to publish the application to users. AnyCompany's networking team will manage the accelerator.

Which solution will meet these requirements with the LEAST management overhead?

Options:

Create an accelerator in Account-В. Use a cross-account role from Account-A to grant the networking team access to manage the accelerator.

Deploy a Network Load Balancer (NLB) in Account-A to route traffic to the ALB in Account-В. Create an accelerator, and set the NLB as the endpoint in Account-A.

Create a cross-account Global Accelerator attachment in Account-В for the Account-A principal. Create an accelerator in Account-A by using the shared attachment.

Create an accelerator in Account-A. Use AWS Resource Access Management (AWS RAM) to share the accelerator with Account-В. Associate the ALB in Account-В with the accelerator in Account-A.

Questions # 77:

A company delivers applications over the internet. An Amazon Route 53 public hosted zone is the authoritative DNS service for the company and its internet applications, all of which are offered from the same domain name.

A network engineer is working on a new version of one of the applications. All the application's components are hosted in the AWS Cloud. The application has a three-tier design. The front end is delivered through Amazon EC2 instances that are deployed in public subnets with Elastic IP addresses assigned. The backend components are deployed in private subnets from RFC1918.

Components of the application need to be able to access other components of the application within the application's VPC by using the same host names as the host names that are used over the public internet. The network engineer also needs to accommodate future DNS changes, such as the introduction of new host names or the retirement of DNS entries.

Which combination of steps will meet these requirements? (Choose three.)

Options:

Add a geoproximity routing policy in Route 53.

Create a Route 53 private hosted zone for the same domain name Associate the application’s VPC with the new private hosted zone.

Enable DNS hostnames for the application's VPC.

Create entries in the private hosted zone for each name in the public hosted zone by using the corresponding private IP addresses.

Create an Amazon EventBridge (Amazon CloudWatch Events) rule that runs when AWSCloudTrail logs a Route 53 API call to the public hosted zone. Create an AWS Lambda function as the target of the rule. Configure the function to use the event information to update the private hosted zone.

Add the private IP addresses in the existing Route 53 public hosted zone.

Questions # 78:

A company needs to capture and log traffic for Nitro-based Amazon EC2 instances to comply with regulations. The company's network team has prepared a solution that enables VPC traffic mirroring and sends traffic to a second set of EC2 instances in an Auto Scaling group.

The network team has added a Network Load Balancer (NLB) in front of the EC2 instances the traffic will be sent to. However, the solution does not send any mirrored traffic to the EC2 instances that are behind the NLB.

How should the network team configure traffic mirroring to use the NLB endpoint?

Options:

Select the NLB as a source for traffic mirroring. Use a UDP listener.

Select the NLB as a target for traffic mirroring. Use a TCP listener and a UDP listener.

Select the NLB as a target for traffic mirroring. Use a TCP listener.

Select the NLB as a target for traffic mirroring. Use a UDP listener.

Questions # 79:

A company has a transit gateway in a single AWS account. The company sends flow logs for the transit gateway to an Amazon CloudWatch Logs log group.

The company created an AWS Lambda function to analyze the logs. The Lambda function sends a notification to an Amazon Simple Notification Service (Amazon SNS) topic when a VPC generates traffic that is dropped by the transit gateway. Each notification contains the account ID. VPC ID, and total amount of dropped packets.

The company wants to subscribe a new Lambda function to the SNS topic. The new Lambda function must automatically prevent the traffic that is identified in each notification from leaving a VPC by applying a network ACL to the transit gateway attachment subnets in the VPC that generates the traffic.

Which solution will meet these requirements?

Options:

Configure the existing Lambda function to add the destination IP addresses of the dropped traffic to each SNS notification. Configure the new Lambda function to create an outbound rule by using the destination IP addresses in the network ACL.

Configure the existing Lambda function to add the source IP addresses of the dropped traffic to each SNS notification. Configure the new Lambda function to create an inbound rule by using the source IP addresses in the network ACL.

Configure the existing Lambda function to add the source IP addresses of the dropped traffic to each SNS notification. Configure the new Lambda function to create an outbound rule by using the source IP addresses in the network ACL.

Configure the existing Lambda function to add the destination IP addresses of the dropped traffic to each SNS notification. Configure the new Lambda function to create an inbound rule by using the destination IP addresses in the network ACL.

Questions # 80:

A company has an AWS Site-to-Site VPN connection between its office and its VPC. Users report occasional failure of the connection to the application that is hosted inside the VPC. A network engineer discovers in the customer gateway logs that the Internet Key Exchange (IKE) session ends when the connection to the application fails.

What should the network engineer do to bring up the IKE session if the IKE session goes down?

Options:

Set the dead peer detection (DPD) timeout action to Clear. Initiate traffic from the VPC to on premises.

Set the dead peer detection (DPD) timeout action to Restart. Initiate traffic from on premises to the VPC.

Set the dead peer detection (DPD) timeout action to None. Initiate traffic from the VPC to on premises.

Set the dead peer detection (DPD) timeout action to Cancel. Initiate traffic from on premises to the VPC.

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Viewing questions 71-80 out of questions

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