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Difficulty: EasyPlanning Network Load Balancing, Cloud DNS, and Cloud CDN

Your organization is planning the network architecture for internal application services on Google Cloud. You need to select appropriate Google Cloud load balancing solutions for two distinct internal traffic requirements: (1) internal HTTP/HTTPS microservices traffic requiring Layer 7 path-based routing, and (2) internal raw TCP database traffic between Compute Engine instances requiring high-performance Layer 4 load balancing. Which TWO load balancing options should you select to satisfy these requirements? (Select TWO)

  1. Use an Internal Application Load Balancer for the internal HTTP/HTTPS microservices traffic.Answer
  2. Use an Internal Passthrough Network Load Balancer for the internal raw TCP database traffic.Answer
  3. C
    Use an External Application Load Balancer for the internal raw TCP database traffic.
  4. D
    Use Cloud CDN paired with an Internal Passthrough Network Load Balancer to accelerate database queries.

Answer

Select an Internal Application Load Balancer for the internal Layer 7 HTTP/HTTPS microservices traffic and an Internal Passthrough Network Load Balancer for the internal Layer 4 raw TCP database traffic.
Internal Application Load Balancers handle Layer 7 features such as path-based routing for private HTTP/HTTPS services. Internal Passthrough Network Load Balancers provide high-performance Layer 4 load balancing for internal non-HTTP TCP/UDP application traffic.

Step-by-Step Solution

1
Analyze protocol and layer requirements for microservices traffic
Microservices require internal Layer 7 HTTP/HTTPS path routing.
Internal Application Load Balancer is a regional Layer 7 proxy load balancer capable of routing internal HTTP/HTTPS requests by URL path.
2
Analyze protocol and layer requirements for database traffic
Database traffic requires internal Layer 4 raw TCP load balancing.
Internal Passthrough Network Load Balancer provides high-performance, non-proxied regional Layer 4 load balancing for internal TCP and UDP traffic.

Key Concept

Matching workload protocols (Layer 4 TCP vs Layer 7 HTTP) and scopes (Internal vs External) to GCP load balancer types
Estimated Time:45s
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Topics

Planning Network Load Balancing, Cloud DNS, and Cloud CDN

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