AWS Certified Cloud Practitioner
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Which AWS service or resource can distribute TCP and UDP traffic?
Real Exam
Community
RRitesh
A
Amazon API Gateway
B
Application Load Balancer
C
Network Load Balancer
D
Gateway Load Balancer
Explanation:
Explanation
Network Load Balancer is the correct answer because:
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Network Load Balancer (NLB) operates at Layer 4 (Transport layer) of the OSI model
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It can handle both TCP and UDP traffic
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NLB is designed for high-performance, low-latency scenarios
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It can handle millions of requests per second while maintaining ultra-low latencies
Why the other options are incorrect:
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Amazon API Gateway: Primarily handles HTTP/HTTPS traffic (Layer 7) for REST APIs and WebSocket connections
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Application Load Balancer (ALB): Operates at Layer 7 (Application layer) and only handles HTTP/HTTPS traffic
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Gateway Load Balancer: Specialized for deploying, scaling, and managing third-party virtual appliances, but primarily handles IP traffic rather than specifically TCP/UDP distribution
Key Use Cases for Network Load Balancer:
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TCP/UDP-based applications
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Gaming applications
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IoT applications
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Voice over IP (VoIP)
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Real-time streaming applications
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