A Citrix NetScaler (now known as Citrix ADC) is designed to improve the availability of applications by providing advanced load balancing, traffic management, and redundancy features. It ensures that applications remain accessible even in the event of server failures or high traffic volumes.
Why Citrix NetScaler Improves Availability:It distributes incoming traffic across multiple servers to prevent overload on a single server, thus maintaining application uptime. It also provides failover capabilities, ensuring that if one server fails, traffic is rerouted to other healthy servers.
Comparison with Other Options:
A (Predictability):While Citrix NetScaler can improve predictability, its main function is related to availability.
B (Scalability):Citrix NetScaler can aid in scalability, but this is not the primary benefit for achieving 99.99% uptime.
C (Reliability):While reliability is an aspect, the key feature directly supporting 99.99% uptime is availability.
References:
Citrix ADC Documentation
IBM Cloud Load Balancer Services
IBM Cloud Architect Exam Study Guide
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