Route 53 Basics
This AWS service provides highly available and scalable DNS.
What is Amazon Route 53?
Route 53 can direct users based on this attribute.
What is geographic location?
This Route 53 feature shifts traffic to a backup site if the primary fails.
What is DNS failover?
This AWS service provides always-on DDoS protection, included at no cost.
What is AWS Shield Standard?
Route 53 is often paired with this AWS service to distribute traffic across servers.
What is Elastic Load Balancing (ELB)?
Route 53 translates human-readable names into these.
What are IP addresses?
A user in London would be sent to Paris instead of Florida or Singapore using this policy.
What is geolocation routing?
These monitor endpoint availability and trigger failover.
What are health checks?
AWS Shield primarily protects against attacks at these two network layers.
What are Layer 3 (network) and Layer 4 (transport)?
Route 53 integrates with this global AWS service for optimized content delivery.
What is Amazon CloudFront?
The “53” in Route 53 refers to this.
What is DNS port 53?
This routing method splits requests by percentage or weight.
What is weighted routing?
Failover routing policies are most often part of this type of strategy.
What is a disaster recovery setup?
For advanced protections (cost protection + 24/7 DRT), AWS offers this upgrade.
What is AWS Shield Advanced?
These temporary URLs grant time-limited access to Google Cloud Storage objects.
What are Signed URLs?
Besides DNS resolution, Route 53 also supports these two extra features.
What are domain registration and health checks?
This policy directs traffic to the lowest latency region.
What is latency-based routing?
True or False: Route 53 health checks can track resources outside AWS.
What is True?
Route 53 combined with Shield can help mitigate attacks at this OSI layer.
What is Layer 7 (application)?
This AWS service establishes a dedicated, private 20 Gbps link between on-premises and AWS.
What is Amazon Direct Connect?
True or False: Route 53 can only be used for AWS-hosted workloads.
What is False (it supports any internet resource)?
This advanced policy routes traffic based on DNS resolver location and allows bias toward preferred regions.
What is geoproximity routing?
Route 53 health checks can integrate with this AWS service for alarms.
What is Amazon CloudWatch?
In March 2023, AWS mitigated one of the largest of these attacks, peaking at over 250k requests per second.
What is a Layer 7 HTTPS DDoS attack?
Route 53 private hosted zones allow DNS resolution restricted to these environments.
What are VPCs (Virtual Private Clouds)?