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You need to design a system that balances UDP traffic internally across multiple backend instances in a single region. Which GCP load balancer type should you choose and why?

hard📝 Conceptual Q8 of 15
GCP - Cloud Load Balancing
You need to design a system that balances UDP traffic internally across multiple backend instances in a single region. Which GCP load balancer type should you choose and why?
ANetwork Load Balancer because it supports UDP globally
BInternal TCP/UDP Load Balancer because it supports UDP traffic within a region
CGlobal HTTP(S) Load Balancer because it supports UDP traffic globally
DSSL Proxy Load Balancer because it supports UDP with SSL offloading
Step-by-Step Solution
Solution:
  1. Step 1: Identify load balancer supporting UDP internally

    Internal TCP/UDP Load Balancer supports UDP traffic within a single region.
  2. Step 2: Exclude other options

    Network Load Balancer is regional but not internal; Global HTTP(S) does not support UDP; SSL Proxy is for TCP with SSL offloading.
  3. Final Answer:

    Internal TCP/UDP Load Balancer because it supports UDP traffic within a region -> Option B
  4. Quick Check:

    UDP internal traffic = Internal TCP/UDP Load Balancer [OK]
Quick Trick: UDP internal traffic uses Internal TCP/UDP Load Balancer [OK]
Common Mistakes:
  • Choosing Network Load Balancer for internal UDP traffic
  • Assuming Global HTTP(S) supports UDP
  • Selecting SSL Proxy for UDP traffic

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