AWS routing relies on route tables, gateways, and dynamic routing using BGP,
especially for hybrid and multi-region designs.
Question 1: Which AWS service allows you to create a private, isolated network within AWS?
- A. AWS Direct Connect
- B. Amazon CloudFront
- C. Amazon VPC ✅
- D. AWS Transit Gateway
Explanation: Amazon VPC enables you to provision a logically isolated virtual network where you can control IP ranges, subnets, routing, and gateways.
Question 2: Which AWS service provides dedicated private network connectivity from on-premises to AWS?
- A. Site-to-Site VPN
- B. AWS Direct Connect ✅
- C. AWS Global Accelerator
- D. Elastic Load Balancing
Explanation: AWS Direct Connect establishes a dedicated physical connection between on-premises infrastructure and AWS for consistent, low-latency performance.
Question 3: Which routing option allows traffic between multiple VPCs and on-premises networks using a central hub?
- A. VPC Peering
- B. Internet Gateway
- C. AWS Transit Gateway ✅
- D. NAT Gateway
Explanation: AWS Transit Gateway acts as a hub to simplify and centralize routing between VPCs, VPNs, and Direct Connect connections.
Question 4: Which AWS feature enables hybrid DNS resolution between on-premises and AWS?
- A. Amazon Route 53 Resolver endpoints ✅
- B. Amazon CloudWatch
- C. AWS Global Accelerator
- D. Elastic IP
Explanation: Route 53 Resolver inbound and outbound endpoints allow DNS queries to flow between on-premises networks and AWS VPCs.
Question 5: Which load balancing option operates at Layer 7 and supports host-based and path-based routing?
- A. Network Load Balancer
- B. Classic Load Balancer
- C. Application Load Balancer ✅
- D. Gateway Load Balancer
Explanation: Application Load Balancers operate at the application layer (HTTP/HTTPS) and support advanced routing based on hostnames and URL paths.
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