Topic 1 Question 120
You are configuring a new application that will be exposed behind an external load balancer with both IPv4 and IPv6 addresses and support TCP pass-through on port 443. You will have backends in two regions: us-west1 and us-east1. You want to serve the content with the lowest possible latency while ensuring high availability and autoscaling. Which configuration should you use?
Use global SSL Proxy Load Balancing with backends in both regions.
Use global TCP Proxy Load Balancing with backends in both regions.
Use global external HTTP(S) Load Balancing with backends in both regions.
Use Network Load Balancing in both regions, and use DNS-based load balancing to direct traffic to the closest region.
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- 正解だと思う選択肢: D
TCP pass-through = A, B and C is wrong, because they make ssl offloading.
In this requirement, only Letter D is possible. External LB with support a TCP pass-through.
https://cloud.google.com/load-balancing/docs/choosing-load-balancer https://cloud.google.com/load-balancing/docs/network
👍 7ccieman20162022/12/03 - 正解だと思う選択肢: B
TCP Global Load balancer allows to have multiple regions backend and is responsible of to select the client closest regions. I don't remember a DNS-Based load balancing solution in Google, so I think that the correct answer is the B.
👍 4samuelmorher2022/12/21 - 正解だと思う選択肢: B
Option B, using global TCP Proxy Load Balancing with backends in both regions, is the correct option because it supports TCP pass-through on port 443 while providing global load balancing and cross-region failover with low latency. Option A, global SSL Proxy Load Balancing, does not support TCP pass-through and is limited to IPv4 clients. Option C, global external HTTP(S) Load Balancing, does not support TCP pass-through and is designed for content-based routing based on HTTP(S) headers and URIs. Option D, using Network Load Balancing in both regions, does not provide global load balancing or cross-region failover and relies on DNS resolution to direct traffic to the closest region, which may not be accurate or consistent.
👍 3Komal6972023/03/30
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