ExpertMedium1 markMultiple Choice
AWS SAA-C03 · Question 21 · Domain 2.1: Scalable Architectures
A company is designing a real-time multiplayer game. The game servers run on EC2 instances. The architecture requires a load balancer that can handle millions of requests per second, maintain ultra-low latency, and support long-running TCP connections.<br/><br/>Which TWO statements about the appropriate load balancer are correct? (Select TWO.)
A company is designing a real-time multiplayer game. The game servers run on EC2 instances. The architecture requires a load balancer that can handle millions of requests per second, maintain ultra-low latency, and support long-running TCP connections.<br/><br/>Which TWO statements about the appropriate load balancer are correct? (Select TWO.)
Answer options:
A.
An Application Load Balancer (ALB) should be used.
B.
A Network Load Balancer (NLB) should be used.
C.
The load balancer operates at Layer 7 of the OSI model.
D.
The load balancer operates at Layer 4 of the OSI model.
E.
The load balancer can route traffic based on HTTP headers.
How to approach this question
Match the requirements (TCP, ultra-low latency, millions of requests) to the correct load balancer type.
Full Answer
A Network Load Balancer (NLB) should be used.<br/>The load balancer operates at Layer 4 of the OSI model.
Network Load Balancer (NLB) operates at the connection level (Layer 4), routing connections to targets based on IP protocol data. It is capable of handling millions of requests per second while maintaining ultra-low latencies.
Common mistakes
Choosing ALB for TCP traffic or misunderstanding OSI layers.
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