300-910 · Question #37
A developer wants to deploy a highly available web server cluster and decides to put a load balancer in front of multiple clustered nodes that run the same web service. The goal is for the load balanc
The correct answer is D. active-active. The question describes a high-availability setup with a load balancer distributing traffic among multiple active web server nodes.
Question
Options
- Aactive
- Bpassive
- Cactive-passive
- Dactive-active
How the community answered
(56 responses)- A2% (1)
- B2% (1)
- C4% (2)
- D93% (52)
Why each option
The question describes a high-availability setup with a load balancer distributing traffic among multiple active web server nodes.
"Active" alone is insufficient to describe a multi-node cluster with load balancing; it implies one active component without specifying the redundancy model.
A passive configuration typically involves a backup node that only becomes active if the primary node fails, without sharing the load.
Active-passive involves one primary active node and one or more standby passive nodes that take over upon failure, which is different from distributing load across all nodes.
An active-active high-availability configuration involves multiple nodes simultaneously processing requests, with a load balancer distributing the workload across all active instances. This setup maximizes resource utilization and provides redundancy as traffic can be distributed even if one node fails.
Concept tested: High-availability configurations
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