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WorksheetsAWS EXTRAVAGANZA
Total questions: 14
Worksheet time: 28mins
Your CloudFront distribution is performing well, but you are still getting too many requests at the origin locations. What could be one way to increase CloudFront performance?
Configure CloudFront to cache based upon query string parameters.
Create an "invalidation" for all your objects and recache them
Increase the default TTL
Change the origin location from an S3 bucket to an ELB
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You want to distribute confidential documents and videos stored in s3 to employees. What two things could you do to limit access to the employees only?
A. Store the objects in Glacier with a Vault Lock Policy
B. Stream content from Kinesis Streams and limit access to the employees' IAM User
C. Remove read permissions to the S3 bucket and grant read permissions to a CloudFront Origin Access Identity (OAI)
D. Configure an SSL certificate for the S3 bucket and force users to use HTTPS
E. Deliver the content from CloudFront using Signed URLs.
What is required when configuring an S3 bucket for Route 53 DNS failover?
A. The record set must be of type "MX"
B. The bucket name must match the domain name
C. The record set cannot use an alias and must point to the IP address of the S3 endpoint
D. The S3 bucket must be in the same region as the hosted zone
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If you want to point a domain name to an AWS elastic load balancer in Route 53, how would you need to configure the record set?
A. Use an IP address for one of the web instances as an "A" record for the domain.
B. Use an alias for the load balancer as the "A" record for the domain.
C. Use an IP address for the load balancer for the "A" record for the domain.
D. Create an alias for the load balancer and set as a "CNAME" for the domain.
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Which of the following will help to offload requests to your S3 bucket? (choose 2)
A. Route 53 Cache Distribution
B. Regional Edge Caches
C. S3 Transfer Acceleration
D. AWS WAF
E. CloudFront Distribution configured to cache static content
What are two primary benefits of using a CloudFront web distribution?
A. Users experience lower latency and faster content load time
B. Automates deployment of your infrastructure
C. Sends bulk emails to a distribution list
D. Reduces load on your application's resources
E. Monitors your infrastructure in near real time
What is the proper solution you should enact to prevent your application from crashing due to an unexpected increase in demand?
A. Auto Scaling
B. Elastic Load Balancing
C. Multi-AZ failover
D. Scaling policies
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Your marketing department would like to hold a Flash Sale on your e-commerce site. They anticipate that the sale will generate 100 times normal traffic the moment the sale begins. Which type of load balancer would you choose for this application?
A. HA Proxy Load Balancer
B. Classic ELB
C. Network Load Balancer
D. Application Load Balancer
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Your internal workflow management system maintains state information in DynamoDB. The information contains extremely sensitive information that must not go over a public network. Which VPC feature will allow the application to use DynamoDB and meet the security requirements?
A. RDS
B. Private Subnets
C. VPC endpoint for DynamoDB
D. Virtual Private Gateway
Your document management application makes heavy use of S3. You use autoscaling to make sure that there is always enough EC2 instances. The instances are deployed in private subnets. . What VPC feature should you utilize to make sure that read/write performance to S3 does not suffer under peak load?
A. Expedited Retrieval
B. VPC Endpoints for S3
C. NAT Instance
D. NAT Gateway
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A company has requested that their web application server and database server be highly available when deployed to AWS. Which subnet configuration would meet this requirement?
A. Two public subnets in different availability zones and two private subnets in different availability zones.
B. Two public subnets in different availability zones and one private subnet spanning two availability zones.
C. One public subnet for the application instance, and one private subnet for the database backend instance.
D. Two public subnets in the same availability zone to ensure the application can quickly failover.
Which of the following AWS services are inherently Fault Tolerant? (choose 2)
A. EC2
B. Route 53
C. VPC
D. DynamoDB
E. RDS
You are designing an environment that requires a complex balancing of traffic to EC2 instances using content-based rules, such as host-based or path-based. Which of the following AWS services would you choose?
A. Classic Elastic Load Balancer
B. Application Elastic Load Balancer
C. AutoScaling Group
D. Launch Configuration
What happens when an EC2 instance that is being served traffic from an ELB becomes unhealthy?
A. The ELB will do nothing.
B. The ELB will terminate the instance.
C. The ELB will terminate and provision an new EC2 instance to take its place.
D. The ELB will stop serving traffic to it and send new requests to the remaining healthy instances.
