Content Delivery and DNS Quiz

Question 1

How can an organization improve performance for users around the world accessing online videos?

1. Use Route 53 Failover Routing
2. Create an Amazon CloudFront Distribution to host videos
3. Use Amazon S3 cross-region replication to distribute the media around the world
4. Use Amazon S3 Transfer to speed up downloads

Answer 1

Amazon CloudFront can be used to get the content cached around the world, closer to users, which will improve performance

Question 2

Which statement is NOT true about Amazon CloudFront Regional Edge Caches and Edge Locations?

1. A regional edge cache has a larger cache bandwidth than an edge location
2. There are more edge locations than regional edge caches
3. An edge location sits between cloudfront distribution and a regional edge cache
4. A regional edge cache sits between a cloudfront distribution and an edge location

Answer 2

4. A regional edge cache sits between a cloudfront distribution and an edge location

This statement is incorrect a regional edge cache sits between a CloudFront Distribution and an edge location

True:

This is true, regional edge caches have a larger cache bandwidth than edge locations

Question 3

Which types of Origin does Amazon CloudFront support?

1. S3 Bucket, EC2 instance
2. S3 Bucket, RDS database
3. EC2 instance, EFS filesystem
4. EC2 instance, AutoScaling Group

Answer 3

1.S3 Bucket, EC2 instance

You can use S3 buckets and EC2 instances as origins for you CloudFront distribution. You can also use S3 static websites, other HTTP servers using Route 53, instances behind an ELB, and MediaStore Containers

You cannot configure an RDS database as an origin

Question 4

Which services have a Global scope?

1. CloudFront, Route 53, VPC
2. CloudFront, Route 53,CloudWatch
3. CloudFront, Route 53,Lambda
4. IAM, CloudFront, Route 53

Answer 4

4.IAM, CloudFront, Route 53

All three of these services have a global scope

Question 5

Which services does Amazon Route 53 provide?

1. Domain Registration, DNS, Firewall protection
2. Health Checking, DNS, Domain registration
3. Health Checking, DNS, IP routing
4. Domain Registration, DNS, content distribution

Answer 5

2.Health Checking, DNS, Domain registration

These are the core features of Amazon Route 53

Question 6

Which service has built-in Distributed Denial of Service (DDoS) protection?

1. Route 53
2. Internet Gateway
3. CloudFront
4. Direct Connect

Answer 6

Amazon CloudFront has built-in Distributed Denial of Service (DDoS) attack protection

Question 7

Which of the following is used to cache data to bring it closer to end users?

1. Edge Location
2. CloudFront Distribution
3. CloudFront Origin
4. CloudFront Bucket

Answer 7

Edge Locations are part of the AWS Global Infrastructure and are located around the world. They are used to cache content to bring it closer to end users for improved performance

Question 8

In Amazon Route 53, what is the name for the configuration item that holds a collection of records belonging to a domain?

1. DNS record
2. Alias
3. Hosted Zone
4. Routing Policy

Answer 8

A hosted zone represents a set of records belonging to a domain