Questions & Answers

Practice Tests and Exam Preparation

Sample Exam Questions

Question 1: Routing Policies

Which Route 53 routing policy should you use to route traffic to multiple resources in proportions that you specify?

Answer: Weighted Routing

Weighted routing allows you to associate multiple resources with a single DNS name and assign weights to control traffic distribution.

Question 2: Health Checks

What is required to implement failover routing in Route 53?

Answer: Health Checks

Failover routing requires health checks to determine when to route traffic from primary to secondary resources.

Question 3: Private Hosted Zones

How do private hosted zones differ from public hosted zones?

Answer: VPC-specific resolution

Private hosted zones only respond to DNS queries from within associated VPCs, while public zones respond to internet queries.

Key Exam Topics

DNS Fundamentals

Record types, TTL, resolution process

Routing Policies

Simple, weighted, latency, geolocation, failover

Health Checks

Endpoint, calculated, CloudWatch alarm types

Route 53 Exam Strategy

  • • Understand the differences between routing policies and when to use each
  • • Know that health checks are required for failover routing
  • • Remember that private hosted zones are VPC-specific
  • • Understand TTL impact on DNS propagation and caching
  • • Know Route 53's 100% uptime SLA and global anycast network
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